HP (Hewlett-Packard) 5000gn manual

Copyright© 1998 He wlett-Packard Co. Printed in USA Manual Part No. C4110-91033 *C4110-91033* *C4110-91033* C4110-91033 HP LaserJet 5000, 5000 N and 5000 GN Printers Service Manual HP LaserJet 5000, 5000 N and 5000 GN Printers Service Manual English Printed on at least 50% T otal Recycled Fiber with at least 10% P ost-Consumer P aper[...]

HP LaserJet 5000, 5000 N, and 5000 GN Pr inters Service Manual _____________[...]

Hewlett-P ackard Company 11311 Chinden Boule vard Boise, Id ah o 83714 U .S.A. © Copyright Hewlett - Pack ar d Company 1998 All Rights Reser ved. Reproduction, adap tation, or translation without prior written per mission is prohibited, e xcept as allow ed under the cop yr ight laws . Publication number C4110-91033 First Edition W arranty The inf [...]

EN Contents 1 Contents 1 Printer Description Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Printer Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Model and [...]

2 Contents EN 3 Printer Operation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Using the Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Control Panel Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Control Panel Lights . . . . . . . . . . .[...]

EN Contents 3 5 Functional Information Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Printer Subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Power Supply System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 AC/DC Power Distribution. . .[...]

4 Contents EN 6 Removing and Replacing Parts Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 User Installable Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Removal and Replacement Strategy . . . . . . . . . . . . . . . . . . . . . . 6-7 Required Tools . . . . . . . . . . .[...]

EN Contents 5 Optional 500-sheet Tray Disassembly . . . . . . . . . . . . . . . . . . . 6-74 Tray Indicator Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-76 Left Front Corner Cover Installation . . . . . . . . . . . . . . . . . . 6-77 Paper Size Spring Assembly . . . . . . . . . . . . . . . . . . . . . . . 6-78 D-roller and Feed [...]

6 Contents EN[...]

EN Overview 1-1 1 Pr inter Descr iption Overview This chapter discusses the f ollowing: ● Printer Features ● Identification ● Site Requirements ● P aper Specifications ● Saf ety Inf ormation[...]

1-2 Printer Description EN Printer Features T able 1-1. Printer Features Speed 17 pages per minute (ppm), A4 paper or 16 ppm, letter paper 100 MHz RISC microprocessor First P age Out = 13 sec. Resolution 300 dpi with PCL5e/P ostScr ipt TM Le v el 2 emulation (PS) 600 dpi with PCL5e/PS HP F astRes 1200 (PCL6 only) HP ProRes 1200 (PCL6, PS) T ypef a [...]

EN Printer Features 1-3 P aper T rays 100-sheet T ra y 1 Size: 3 b y 5 in (76 by127 mm) to 12.28 b y 18.5 in (312 by 470 mm) Optional 250-sheet T ra y 2 suppor ts Size: 5.8 b y 8.2 in (149 by 210 mm) to 11 b y 17 in (279 by 432) Optional Universal 500-sheet T ray supports standard and custom sizes from 5.8 b y 8.2 in (149 by 210 mm) to 11 b y 17 in[...]

1-4 Printer Description EN 1. 4 MB internal, with remainder in DIMM T able 1-2. Comparison of HP LaserJet 5000 Series Printers HP LaserJet 5000 HP LaserJet 5000 N HP LaserJet 5000 GN Ethernet 10-T/ 10-2 optional standard standard Max. # input bins 444 Standard RAM 4 MB intern al 8 MB 1 12 MB 1 250-sheet T ra y 1 standard 1 optional 1 standard 1 opt[...]

EN Identification 1-5 Identification Model and Serial Numbers The model number and serial numbers are listed on identification labels located on the rear left side of the printer . The serial number is alphanumeric, such as USB0000146 f or the HP LaserJet 5000 N printer . The serial number contains inf or mation about the Countr y of Origin, the Re[...]

1-6 Printer Description EN Site Requirements The f ollowing en vironmental specifications must be maintained to ensure the proper operation of the printer . Consider the following points bef ore installing the printer : ● Install in a well-v entilated, dust-free area. ● Install on a hard, flat and continuous surf ace, with all four printer f ee[...]

EN Site Requirements 1-7 Space Requirements Figure 1-2 Printer Dimensions, HP LaserJet 5000 11.9 in (30.3 cm) 24.6 in (62.5 cm) 18.5 in (47.0 cm) 10.6 in (27.0 cm) 18.5 in (47.0 cm) 4.3 in (11.0 cm) 18.7 in (47.5 cm) 18.6 in (47.3 cm) 55 in (139.8 cm)[...]

1-8 Printer Description EN Figure 1-3 Printer Dimensions, HP LaserJet 5000 N/5000 GN 24.6 in (62.5 cm) 6.1 in (15.5 cm) 24.4 in (62.0 cm) 18.5 in (47.0 cm) 11.9 in (30.3 cm) 10.6 in (27.0 cm) 55 in (139.8 cm)[...]

EN Site Requirements 1-9 Figure 1-4 Printer Dimensions, HP LaserJet 5000 with Accessories Printer W eight (without toner car tridg e) ● HP LaserJet 5000 printer : 50 lb (23 kg) ● HP LaserJet 5000 N/5000 GN printers: 75 lb (34 kg) ● HP LaserJet 5000 N/5000 GN printers with duple x er and optional 250-sheet f eeder : 114 lb (52 kg) 29.7 in (75.[...]

1-10 Printer Description EN En vironmental Requirements T able 1-4. Printer and T oner Car tridge Envir onmental Conditions Item Operating Storage T emperat ure 50-91 ° F (10-32 ° C) -4 to 140°F (-20 to 60°C) Relativ e Humidity 20-80% RH (with no condensation) 10% T O 95% RH T able 1-5. Acoustic Emissions (P er ISO 9296) Printer State Sound P o[...]

EN Paper Specifications 1-11 P aper Specifications The f ollowing tab les sho w paper specifications f or the printer . 1. The printer supports a wide range of paper sizes. Check the printer software for supported sizes. To print custom-size paper see the User’s Guide. 2. Capacity may vary depending on paper weight and thickness, and environ- men[...]

1-12 Printer Description EN 1. The printer supports a wide range of media sizes. Check the printer software for supported sizes. 2. Capacity may vary depending on media weight and thickness, and environ- mental conditions. T able 1-7. P aper Specifications, T ray 2 or Optional 250-sheet T ray Supported Pa p e r Dimensions 1 W eight Capacity 2 Lette[...]

EN Paper Specifications 1-13 1. The printer supports a wide range of media sizes. Check the printer software for supported sizes. 2. Capacity may vary depending on media weight and thickness, and environ- mental conditions. 3. To print rotated paper see the User’s Guide. 4. To print custom-size paper see the User’s Guide. T able 1-8. P aper Spe[...]

1-14 Printer Description EN 1. The printer supports a wide range of media sizes. Check the printer software for supported sizes. Suppor ted T ypes of P aper The printer suppor ts the f ollowing types of paper : T able 1-9. P aper Specifications, Optional Duplex Printing Accessory (Duplex er) Dimensions 1 W eight Minimum 5 .8 by 8.3 inches (148 by 2[...]

EN Paper Specifications 1-15 Guidelines f or Using P aper F or best results, use con v entional 20 lb (75 g/m 2 ) paper . Make sure the paper is of good quality and free of cuts, nic ks , tears , spots , loose par ticles, dust, wrinkles, v oids , and curled or bent edges. Some paper causes print quality problems, jamming, or damage to the printer .[...]

1-16 Printer Description EN Note Do not use letterhead paper that is printed with low-temperature inks , such as those used in some types of thermograph y . Do not use raised letterhead. The printer uses heat and pressure to fuse toner to the paper . Mak e sure that any colored paper or preprinted f orms use inks that are compatible with the printe[...]

EN Paper Specifications 1-17 P aper W eight Equivalence T ab le Use this table to determine appro ximate equiv alent points in weight specifications other than U .S. bond we ight. For e xample, to determine the equiv alent of 20 lb U .S . bond weight paper in U .S. co ver w eight, locate the bond weight (in ro w 3, second column) and scan across th[...]

1-18 Printer Description EN Labels CA UTION T o a v oid damaging the printer , use only labels recommended f or use in laser printers. If you ha ve prob lems printing labels, use T ra y 1 and open the rear output bin. Ne v er print on the same sheet of labels more than once. Label Construction When selecting labels, consider the quality of each com[...]

EN Paper Specifications 1-19 En velopes En velope Construction Env elope constr uction is cr itical. Env elope fold lines can v ar y considerab ly , not only between man uf acturers, b ut also within a box from the same manuf acturer . Successful printing on env elopes depends upon the quality of the env elopes. When selecting env elopes, consider [...]

1-20 Printer Description EN En velopes with Adhesive Strips or Flaps Env elopes with a peel-off adhesive strip or with more than one flap that f olds ov er to seal must use adhesives compatib le with the heat and pressure in the printer . The e xtra flaps and strips might cause wrinkling, creasing, or jams. En velope Margins The f ollowing tab le g[...]

EN Paper Specifications 1-21 Card Stock Construction ● Smoothness: 36-53 lb (135-199 g/m 2 ) card stock should ha ve a smoothness rating of 100-180 Sheffield. 16-36 lb (60-135 g/m 2 ) card stock should ha v e a smoothness r ating of 100-250 Sheffield. ● Construction: Card stock should lie flat with less than 0.2 in (5 mm) of curl. ● Condition[...]

1-22 Printer Description EN Safety Inf ormation Laser Safety Statement The Center f or De vices and Radiological Health (CDRH) of the U .S. F ood and Drug Administration has implemented regulations fo r laser products manuf actured since August 1, 1976. Compliance is mandator y f or products marketed in the United States. The printer is cer tified [...]

EN Safety Information 1-23 FCC Regulations This equipment has been tested and f ound to comply with the limits f or a Class B digital de vice, pursuant to P ar t 15 of the FCC r ules. These limits are designed to provide reasonab le protection against harm ful interf erence in a residential installation. This equipment generates, uses, and can radi[...]

1-24 Printer Description EN Laser statement f or Finland Luokan 1 laserlaite Klass 1 Laser Apparat HP LaserJet 5000, 5000 N, 5000 GN -laserkirjoitin on käyttäjän kannalta tur vallinen luokan 1 laserlaite. Normaalissa käytössä kirjoittimen suojakotelointi estää lasersäteen pääsyn laitteen ulkopuolelle . Laitteen tur v allisuusluokka on m?[...]

EN Safety Information 1-25 V arning! Om laser printer ns skyddshölje öppnas då apparaten är i funktion, utsättas användaren för osynlig laserstrålning. Betr akta ej strålen. Tiedot laitteessa käytettävän laserdiodin säteilyominaisuuksista: Aallonpituus 775-795 nm T eho 5 mW Luokan 3B laser Material Safety Data Sheet The T oner Car trid[...]

1-26 Printer Description EN En vironmental Pr oduct Stewar dship Protecting the En vironment Hewlett-P ackard Compan y is committed to providing quality products in an environmentally-sound manner . The pr inter has been designed to minimize impacts on the environment. The printer design eliminates: Ozone Production The printer does not use high-v [...]

EN Overview 2-1 2 Ser vice Approach Overview This chapter discusses the f ollowing: ● Ser vice Approach ● P ar ts and Supplies ● W a rranty St at ement[...]

2-2 Service Approach EN Service Approac h Repair of the printer nor mally begins with use of the pr inter’ s inter nal diagnostics in conjunction with the troubleshooting procedures in Chapter 7. Once a f aulty par t is located, repair is generally accomplished by assemb ly lev el replacement of Field Replaceab le Units (FR Us). Some mechanical a[...]

EN Parts and Supplies 2-3 P ar ts and Supplies Or dering Inf ormation Field replaceable and accessory par t numbers are found in Chapter 8 of this manual. Replacement parts may be ordered from HP’ s Support Materials Organization (SMO) or Suppor t Materials Europe (SME). Use only accessories specifically designed for this printer . Accessories ca[...]

2-4 Service Approach EN Helpful Documentation T able 2-1 lists par t numbers to order documentation. T able 2-1. Helpful Documentation Item Description or Use P art Number HP LaserJet Printer F amily P aper Specification Guide A guide to using paper and other print media with HP LaserJet printers. 5021-8909 PCL 5/PJL T echnical Ref erence Documenta[...]

EN Parts and Supplies 2-5 Phone Numbers f or Ordering ● SMO (Suppor t Mater ials Organization) 1-800-227-8164 (U .S. only) ● SME (Suppor t Mater ials Europe) (49 7031) 142253 Exchange Pr ogram HP off ers remanuf actured assemblies f or some par ts. These are identified in Chapter 8 and can be ordered through Suppor t Mater ials Organization (SM[...]

2-6 Service Approach EN HP FIRST HP FIRST (F ax Information Retriev al Suppor t T echnology) is a phone-in f ax ser vice that provides technical inf or mation for HP LaserJet users as w ell as serv ice personnel. Receiving a f ax requires a group 3 f acsimile machine or fax card. Service related inf ormation includes: ● Ser vice notes (HP A uthor[...]

EN Parts and Supplies 2-7 Nor th American Response Center (NARC) The Nor th Amer ican Response Center (NARC) is av ailable to assist ser vice technicians. The NARC can be reached at 1-800-544-9976. Other Areas Outside of Nor th America and Europe, contact your local HP sales office f or assistance in obtaining technical suppor t.[...]

2-8 Service Approach EN T oner Car t ridge Information The T oner Car tridge is designed to simplify replacement of the major “consumable” parts. The T oner Car tridge contains the printing mechanism and a supply of toner . At 5% page cov erage , a T oner Car tr idge will print approximately 10,000 pages. Ho we ver , a T oner Car tridge should [...]

EN Warranty Statement 2-9 W arranty Statement This warr anty gives specific legal rights. There ma y also be other rights which vary from area to area. Refer to the User’ s Guide f or fur ther warranty inf or mation, or see the warranty card included with the printer .[...]

2-10 Service Approach EN[...]

EN Overview 3-1 3 Pr inter Operation Overview This chapter discusses the f ollowing: ● Using the Control P a nel ● Control P anel Menus ● Ser vice Mode ● T esting the Pr inter ● Resetting the Printer ● System Configuration ● Printer I/O Configuration[...]

3-2 Printer Operation EN Using the Contr ol P anel Contr ol P anel Lay out The printer’ s Control P anel consists of the follo wing: Figure 3-1 Control P anel La yout Contr ol P anel Lights Ready Data Attention Go Cancel Job Menu Item - V alue + Select 2-line display READY T able 3-1. Control P anel Lights Light Indication Ready The printer is re[...]

EN Using the Control Panel 3-3 Contr ol P anel Keys T able 3-2. Control P anel Keys Ke y Function [Go] ● Places the printer either online or offline. ● Prints any data residing in the printer’ s buff er. ● Allows the printer to resume printing after being offline. ● Clears most printer messages and places the printer online. ● Allows th[...]

3-4 Printer Operation EN Settings and Defaults The printer makes most printing decisions based on either temporar y settings or permanent defaults. Note Settings sent from software applications o v erride pr inter def aults. Setting the Displa y Language 1 Press and hold [Select] while tur ning on the printer . Hold [Select] until SE LE CT LA NGUA [...]

EN Control Panel Menus 3-5 Contr ol P anel Menus Press [Menu] f or access to all Control P anel menus. When additional tra ys or other accessories are installed in the printer , new men u items automatically appear . T o change a Contr ol P anel setting: 1 Press [Menu] until the desired menu appears . 2 Press [Item] until the desired item appears. [...]

3-6 Printer Operation EN Inf ormation Menu This menu contains printer inf or mation pages that give details about the printer and its configuration. T o pr int an information page, scroll to the desired page and press [Select] . T able 3-4. Information Menu Item Explanation PRINT MENU MA P The menu map shows the la yout and current settings of the [...]

EN Control Panel Menus 3-7 P aper Handling Menu When paper handling settings are correctly configured through the Control P anel, y ou can print by choosing the type and siz e of paper from the printer dr iver or softw are application. Some items in this menu (such as duple x and manual f eed) can be accessed from a software application, or from th[...]

3-8 Printer Operation EN TRA Y 4 TY PE = PLAI N F or suppor ted paper types see page 1-14. This item appears only when a f our th paper tra y is installed. Set the v alue to correspond with the paper type currently loaded in T ra y 4. MAN UAL FEED= OF F OF F ON F e ed the paper manually from T ray 1, rather than automatically from a tr a y . When M[...]

EN Control Panel Menus 3-9 CONFIGUR E FUSE R MOD E MENU=NO NO YES Configure the fuser mode associated with each paper type. (This is only necessary if you are e xperiencing problems printing on cert ain paper types.) NO : The fuser mode menu items are not accessible . YES : Additi onal items appear (see below). Note T o see the def ault fuser mode [...]

3-10 Printer Operation EN Print Quality Menu Some items in this menu can be accessed from a softw are application, or from the printer dr iver (if the appropriate driver is installed). Printer dr iver and softw are application settings ov err ide Control P anel settings . T able 3-6. Print Quality Menu Item V alues Explanation R ESOLUTION= FASTR E [...]

EN Control Panel Menus 3-11 R ET=ME D IUM OFF LIGHT MEDI UM DARK Use the printer’ s Resolution Enhancement technolog y (REt) setting to produce print with smooth angles, curves, and edges. REt does not aff ect print quality when the print resolution is set to ProRes 1200. All other print resolutions, including F astRes 1200, benefit from REt. Not[...]

3-12 Printer Operation EN TONE R D E NSITY =3 1 2 3 4 5 Lighten or darken the print on the page by changing the toner density setting. The settings range from 1 (light) to 5 (dark), but the def ault setting of 3 usually produces the best results. Use a lower toner density setting to sav e toner. Note It is best to change the toner density from the [...]

EN Control Panel Menus 3-13 Printing Menu Some items in this menu can be accessed from a softw are application, or from the printer dr iver (if the appropriate driver is installed). Printer dr iver and softw are application settings ov err ide Control P anel settings . T able 3-7. Printing Menu Item V alues Explanation COPIES=1 1 to 999 Set the def[...]

3-14 Printer Operation EN UNIT OF MEA SUR E =INCHE S (110 V printers) or MILLIMETE R S (220 V printers) INCHE S MILLIMETE R S This item appears only when CONFIGURE CUSTOM PA PE R =YE S . Select the unit of measurement f or the custom paper size . X DI MENSION= 12.28 INCHES (110 V printers) or 312 MILLIMETE R S (220 V printers) 3.00 to 12.28 INCHES [...]

EN Control Panel Menus 3-15 PCL FONT SOUR CE=INTE R NA L INTER NA L SOFT SLOT 1, 2, or 3 INTER NA L : Inter nal fonts . SOFT : P erm anent soft fonts. SLOT 1 , 2 , or 3 : F onts stored in one of the three DIMM slots. PCL FONT NUMBER =0 0 to 999 The printer assigns a number to each f ont and lists them on the PCL F ont List. The f ont number appears[...]

3-16 Printer Operation EN CO URI ER=REGU LAR REG UL AR DARK Select the version of Courier f ont to use: R E GULA R : The inter nal Courier f ont av ailable on the HP LaserJet 4 series pr inters. DARK : The internal Courier font av ailab le on the HP LaserJet III series pr inters. Both f onts are not av ailable at the same time. W I DE A4 = N O N O [...]

EN Control Panel Menus 3-17 Configuration Menu Items in this menu aff ect the printer’ s behavior . Configure the pr inter according to your printing needs. T able 3-8. Configuration Menu Item V alues Explanation PO WERS AVE= 30 MINUTES OFF 15 MINUTE S 30 MINUTE S 1 HOUR 2 HOURS 3 HOURS Set the printer to enter P owerSa v e after it has been idle[...]

3-18 Printer Operation EN R ESOUR CE SA VE = OFF OFF ON AU TO (8 MB total is required to see this message.) Dedicate printer memor y to sav e each language’ s per manent resources. (Y ou might need to add memory to the pr inter in order fo r this item to appear .) The amount of memory set aside can be diff erent f or each installed language. Some[...]

EN Control Panel Menus 3-19 PS MEMOR Y = 400K 0K and up (This value depends on the amount of installed memor y . 8 MB total is required to see this message.) This item appears only when RES OU RCE SA VE=ON . Select the amount of memor y used f or saving PS resources . Printer def ault is the minimum amount of memory needed to perform resource savin[...]

3-20 Printer Operation EN A UTO CONTINUE= ON ON OFF Determine how the pr inter reacts to errors. ON : If an error occurs that prev ents printing, the message will displa y , and the printer will go offline f or 10 seconds bef ore returning online. OFF : If an error occurs that pre v ents printing, the message will remain on the displa y and the pri[...]

EN Control Panel Menus 3-21 MOPIER MODE =STA ND A R D STA ND AR D ENHA NCE D OFF Determine how the mopier functions behav e . This item appears only when there is at least 8 MB of memory or an optional hard disk is installed. S TAN DARD : This option is av ailable if there is either a hard disk installed or a RAM disk configured in memor y . This o[...]

3-22 Printer Operation EN R AM D ISK SIZE =xxxK 0K and up (This value depends on the amount of installed memor y .) Determine the size of the RAM disk. This item appears if RAM DI SK = ON or AUT O . Press [-V alue+] to change settings by increments of 100. Note This setting cannot be changed if RAM D ISK=A UTO . Changing this v alue will cause the [...]

EN Control Panel Menus 3-23 MAINTE NA NCE MESSA GE =OFF OFF This item appears only after the PER FOR M PR INTE R MA INTE NA NCE message displa ys. OFF : The PERF ORM PRI NT ER MA INTE NA NCE message will be cleared and will not be displa yed again until the ne xt maintenance is due. The message should not be turned off unless the printer maintenanc[...]

3-24 Printer Operation EN I/O Menu Items in the I/O (input/output) Menu aff ect the communication between the printer and the computer . T able 3-9. I/O Menu Item V alues Explanation I/O TIME OUT=15 5 to 300 Select the I/O timeout period in seconds. (I/O timeout ref ers to the time, measured in seconds, that the printer waits bef ore ending a print[...]

EN Control Panel Menus 3-25 I/O BUFFER SIZE = 100K 10K and up This item appears only when I/O BUFFER =ON . Specify the amount of memory for I/O b uff ering. The maximum amount of memory av ailab le f or I/O buff er ing is deter mined by the amount of memor y installed in the printer , the languages installed in the printer , and by other memory all[...]

3-26 Printer Operation EN SER IA L R OBUST XON=ON ON OFF This item appears only when SE R IAL PACING=XON/XOFF . Select the method f or generating XONs . ON : The printer sends an XON when the printer is online and when sufficient b uff er space is av ailable. If the host does not receiv e data within appro ximately one second, the printer will tran[...]

EN Control Panel Menus 3-27 EIO Menu (Netw orked Printers) EIO (Enhanced Input/Output) Menus depend on the par ticular accessor y product installed in an EIO slot of the printer . If the printer contains an HP JetDirect print ser ver EIO card, y ou can configure basic networking parameters using the EIO Menu. These and other parameters can also be [...]

3-28 Printer Operation EN CFG TCP/IP=NO NO YES NO : The TCP/IP Menu is not accessible . YES : The TCP/IP Menu appears. In the TCP/ IP Menu, y ou can specify BOOTP=Y E S fo r TCP/IP parameters to be automatically loaded from a bootp or DHCP server when the printer is tur ned on. If you specify BOOTP=NO , yo u can manually set selected TCP/IP paramet[...]

EN Control Panel Menus 3-29 Resets Menu Use this menu with caution. Y ou can lose b uff ered page data or printer configuration settings when you select these items . Only reset the printer under the follo wing circumstances: ● Y ou want to restore the printer’ s default settings . ● Communication between the printer and computer has been int[...]

3-30 Printer Operation EN Service Mode Ser vice Mode should be used only by authorized service personnel. While in Ser vice Mode, y ou can: ● V er ify and set the page count and serial number . These are displa yed on the Configur ation P age. ● Set the Cold Reset Def ault. (This sets the f actor y def ault paper size to either Letter or A4). ?[...]

EN Service Mode 3-31 Service Menu Figure 3-2 Ser vice Menu Setting the P age Count, Maintenance Count, and Serial Number The page count and serial numbers are stored in Non-V olatile Memor y . If it is necessar y to replace the F ormatter PCA, the page count should be set to the current va lue to reflect the age of the print engine. The procedure f[...]

3-32 Printer Operation EN Pa g e Co u n t The page count stored in NVRAM and displa y ed on the Configuration P age pr intout represents the number of pages which the printer has printed (excluding engine test prints). If it becomes necessar y to repair a printer by installing a ne w F or matter , the page count must be reset so that it represents [...]

EN Service Mode 3-33 T able 3-12. Changing the Pa ge Count Ke y Press Displa y Description SER VICE MOD E [Menu+] SE R VICE ME NU Enter the SE R VICE ME NU . [Item+] PA GE S=0 000000 * Advance to the first item in the SER VICE MENU . [Select] PAGE S=00 00000 * Adv ance the cursor one digit to the r ight. [Select] PAGE S=000 0000 * Adv ance the curs[...]

3-34 Printer Operation EN Maintenance P age Count The maintenance page count should be reset only after a maintenance kit has been installed. This will reset the maintenance counter so that the message PER FOR M PRINTE R MA INTE NA NCE will displa y another 150,000 pages later (def ault). ● Hold down the [Item-] and [V alue-] key s. ● T ur n th[...]

EN Testing the Printer 3-35 T esting the Printer When you print a Configuration P age, the printer checks its internal controller and I/O interf ace, and then prints a test page. Y ou can re vie w the Configuration P age pr intout to verify proper installation of such options as paper tra ys or printer languages. F or more inf ormation, see page 7-[...]

3-36 Printer Operation EN Resetting the Printer Cold Reset Cold Reset clears all data from the printer memor y and sets all the def aults back to the f actor y settings. CA UTION P erf or ming a Cold Reset resets the JetDirect configur ation. T o av oid making changes to your configur ation, remov e the JetDirect card bef ore perf orming a cold res[...]

EN System Configuration 3-37 System Configuration MS-DOS System Configuration T o communicate properly with the pr inter , the MS-DOS environment requires the addition or modification of MODE commands in the A UT OEXEC .BA T file. Add or modify the MODE command(s), depending on the interf ace configuration, as f ollows: P arallel DOS Commands Most [...]

3-38 Printer Operation EN Serial MS-DOS Commands Most IBM compatible computers def ault to a parallel printer por t. T o ensure that inf or mation is sent to the serial pr inter por t, type the f ollowing MS-DOS commands at the MS-DOS prompt, or include them in the A UT OEXEC .BA T file: MODE COM1: 9600, N, 8, 1, B MODE LPT1: =COM1 Note These e xam[...]

EN Printer I/O Configuration 3-39 Printer I/O Configuration P arallel Menu The def ault setting fo r the HI G H S P EED P ARALL EL I / O is YES . If it is set to NO , the interf ace r uns at a slower speed that is compatib le with older computers. When the def ault is set to YES , the parallel interf ace runs at a higher rate suppor ted by new er c[...]

3-40 Printer Operation EN P acing (Handshaking) P acing (or “handshaking”) is a type of communication between the printer and the computer . This is an impor tant setting in the printer because it allows the printer to tell the computer when to send inf ormation. If the pr inter is unable to receiv e inf ormation, for e xample, when the print b[...]

EN Overview 4-1 4 Pr inter Maintenance Overview This chapter discusses the f ollowing: ● Cleaning the Pr inter and Accessories ● Pre v entative Maintenance[...]

4-2 Printer Maintenance EN Cleaning the Printer and Accessories T o maintain high pr int quality and perf or mance, thoroughly clean the printer and the paper handling accessor ies: ● Ev ery time you change the T oner Car tridge (run a cleaning page). ● After printing approximately 15,000 pages . ● Whene v er print quality problems occur . Cl[...]

EN Cleaning the Printer and Accessories 4-3 T able 4-1. Cleaning the Printer Component Cleaning Method / Notes Outside Cov ers Use a water-dampened cloth. Do not use solvents or ammonia- based cleaners. Inside General With a dr y lint-free cloth, wipe any dust, spilled toner , and paper par ticles from the paper path area, the registration roller ,[...]

4-4 Printer Maintenance EN Using the Printer Cleaning P age If toner specks appear on the front or bac k side of y our print jobs, f ollow the procedure belo w . F rom the pr inter’ s control panel, do the follow ing: 1 Press [Menu] until PRINT QUALITY MENU appears. 2 Press [Item] until CREATE CLEANING PAGE appears. 3 Press [Select] to create the[...]

EN Preventative Maintenance 4-5 Pre ventative Maintenance The pre v entativ e maintenance cycle f or this printer , conducted by ser vice personnel, is e v er y 150,000 pages. T o order the maintenance kit see page 8-4. The kit contains one Fuser , one T ransf er Roller , one T ra y 1 Pick up Roller , one T ra y 1 Separation P ad, two 250-sheet T r[...]

4-6 Printer Maintenance EN 6 T ransf er Charging Roller RG5-3579-000CN 1 150,000 pages 7 Exhaust F an RH7-1354-000CN 1 25,000 hours T able 4-2. Life of Components (continued) P art name Part No. Quantity Expected Lif e[...]

EN Overview 5-1 5 Functional Inf or mation Overview This chapter discusses the f ollowing: ● P ower Supply Subsystem ● DC Controller Subsystem ● F ormatter PCA ● Control P a nel ● Interf ace PCA ● Image F or mation System ● P a per Feed System ● Basic Sequence of Operation[...]

5-2 Functional Information EN Printer Subsystems This chapter presents a generalized functional o v er view of the printer and the printing processes. Figure 5-1 P aper Feed Subsystem[...]

EN Power Supply System 5-3 P ower Suppl y System A C/DC P ower Distrib ution The A C line v oltage f or the printer is applied through the main switch (SW101) and supplied to the low-v oltage po wer supply circuit through the fuse (FU1). The low-v oltage power supply divides the A C v oltage to +24 VDC , +5 VDC and +3.4 VDC and supplies them to the[...]

5-4 Functional Information EN Figure 5-2 Low V oltage P ower Supply Circuit If a shor t circuit or other problems on the load side cause an e xcessive current flo w from the +24 VDC or +3.4 VDC power supplies or generate abnormal voltage , the e xcess-current protection system and e xcess-v oltage protection system automatically shut off the output[...]

EN Power Supply System 5-5 Over current Overv oltage Pr otection This circuit located on the DC controller PCA alwa ys monitors an abnormal r ise of the fusing roller temperature. If an error occurs , this circuit outputs a signal to turn the rela y (RL1) off and interrupt the powe r to the fusing roller heater . The circuit operates as f ollows . [...]

5-6 Functional Information EN High V oltage P ower Distribution Figure 5-3 High V oltage P ow er Supply Circuit In response to the instructions from the microprocessor (CPU: IC301) on the DC controller , this circuit applies the super imposed vo ltage of DC voltage and A C voltage to the primar y charging roller and de v eloping cylinder , and a po[...]

EN Power Supply System 5-7 T oner Car t ridge Detection The T oner Car tridge has a toner sensor . The circuit compares the output value of the de veloping A C bias and the output value (ANT) from the antenna inside the car tr idge, and outputs the toner detection signal. The CPU detects the remaining toner le ve l and the presence of the car tri d[...]

5-8 Functional Information EN Figure 5-4 DC Controller PCA Laser and Scanner Drive Based on inf ormation received from the F ormatter , the DC Controller Board sends signals to the Laser/Scanner Assembly to modulate the laser diode on and off and to drive the Laser/Scanner motor . See “Image F or mation System” on page 5-18 f or more inf o rmat[...]

EN Power Supply System 5-9 P aper Motion Monitoring and Control The DC Controller Board controls paper motion by contin uously monitoring the various paper sensors, and coordinating paper mov ement with the other print processes. F or more inf or mation, see “P aper Feed System” on page 5-29. Solenoids, Sensors, Clutc hes, and Switches See “D[...]

5-10 Functional Information EN Motors See “Timing Diagram” on page 5-47 f or specific timing details for the printer motors. The Main Motor , MT1, is controlled by the DC Controller Board. The Main Motor drives the main Gear Assemb ly and rotates during the Initial Rotation period (follo wing pow er-on), the Print per iod, the Last Rotation per[...]

EN Power Supply System 5-11 The Scanner Motor is controlled and monitored by the DC Controller Board. It rotates the scanner mirror during the Initial Rotation per iod and the print per iod. The f an motor is a two-phase, f our-pole DC br ushless motor containing a hall element and f orms a unit along with the motor dr ive circuit. When the printer[...]

5-12 Functional Information EN Formatter System The F ormatter PCA is responsible f or the f ollowing: ● Controlling the P owerSa v e mode. ● Receiving and processing print data from the various printer interf aces. ● Monitoring Control P anel inputs and rela ying printer status inf ormation (through the Control Panel and the Bidirectional I/[...]

EN Formatter System 5-13 The printer exits P owe rSav e mode and enters the war m up cycle when any of the f ollowing occurs: ● A print job , v alid data, or a PML or PJL command is receiv ed at the parallel por t or an EIO card. ● A Control P anel key is pressed. ● The top cov er is opened and then closed. ● A paper tra y is opened and the[...]

5-14 Functional Information EN Input/Output P arallel Interface The F ormatter PCA receives incoming data through its bidirectional interf ace (IEEE 1284). The I/O provides high speed and tw o wa y communication between the printer and the host, allowing the user to change printer settings and monitor pr inter status from the host computer . The us[...]

EN Formatter System 5-15 Printer Memory Note If the printer encounters difficulty managing av ailable memory , a clearab le warning message will be displa yed on the Control P anel. Some printer messages are affected b y the A uto Continue and Clearab le W ar ning settings from the Configuration Menu in the printer’ s Control P anel. If CLEARABLE[...]

5-16 Functional Information EN DIMM Slots The DIMM slots ma y be used to add memor y , f onts, or firmware upgrades . Note that DIMMs and SIMMS are not compatib le. There are two types of DIMMs suppor ted: EDO DIMMs are 32-bit, 100-pin, 60nsec. SDRAM DIMMs are 32-bit, 100-pin, 66MHz. Non-V olatile Memory (NVRAM) The printer uses NVRAM to store I/O [...]

EN Formatter System 5-17 PJL Overview Printer Job Language (PJL) is an integral par t of configuration, in addition to the standard Printer Command Language (PCL). With standard cabling, PJL allo ws the printer to perform functions such as: ● T wo-wa y communication with the host computer through a Bidirectional P arallel connection. The pr inter[...]

5-18 Functional Information EN Image Formation System The image f ormation system is the main par t of the printer , and consists of six stages: When the F ormatter Board sends the pr int signal to the DC Controller Board, it drives the main motor to rotate the photosensitiv e drum, the de v eloping cylinder , the pr imar y charging roller , and th[...]

EN Image Formation System 5-19 Figure 5-6 Image F ormation System After the image has been transf erred to the paper , it is then fused onto the paper by heat and pressure at the Fuser .[...]

5-20 Functional Information EN T oner Car t ridge A major por tion of the Image Formation system is contained in the car tr idge as shown in the figure below . The T oner Car tridge is the “hear t” of the Image Fo r mation System. It houses the cleaning, conditioning, and de v eloping steps of the process. The T oner Car tr idge contains the ph[...]

EN Image Formation System 5-21 Photosensitive Drum The special proper ties of the photosensitive drum allow an image to be f ormed on the dr um surface and then tr ansf erred to paper . The drum is an aluminum cylinder . The outside of the cylinder is coated with a la yer of organic-photoconductiv e mater ial (OPC) which is non- to xic. The OPC mat[...]

5-22 Functional Information EN Cleaning the Drum In the transf er stage, not all the toner is transf erred to the paper , but some remains on the photosensitive drum. In this stage, the residual toner is cleaned so that the ne xt print image will be clear and distinct. Figure 5-9 Cleaning the Drum The residual toner on the drum surface is scraped a[...]

EN Image Formation System 5-23 Conditioning the Drum After the drum is cleaned, it must be conditioned. This process consists of applying a unif orm negative charge on the surf ace of the drum with the pr imar y charging roller . The pr imar y charging roller is coated with conductiv e rubber with an AC bias applied to erase any residual charges an[...]

5-24 Functional Information EN Writing the Image During the wr iting process, a modulated laser diode projects the beam onto the rotating six-sided scanning mirror . As the mirror rotates, the beam reflects off the mirror , through a set of f ocusing lenses, through a slot in the rear of the T oner Car tr idge, and onto the photosensitiv e drum. Th[...]

EN Image Formation System 5-25 Developing the Ima ge The de v eloping process de velops the latent electrostatic image into a visible image on the drum. The de veloping unit consists of a metallic cylinder that rotates around a fix ed magnetic core inside the toner cavity . T oner is a powdery substance made of blac k plastic resin bound to iron pa[...]

5-26 Functional Information EN T ransferring the Image During the transferring process the toner image on the drum surface is transf erred to the paper . A positiv e charge applied to the back of the paper by the tr ansf er roller causes the negativ ely charged toner on the drum surface to be attr acted to the page. The small diameter of the drum, [...]

EN Image Formation System 5-27 Image Fusing/V ariable Fusing T emperature During the fusing process, the toner is fused into the paper by heat and pressure to produce a permanent image. The paper passes between a heated fusing roller and a soft pressure roller . This melts the toner and presses it into the paper . The fusing roller contains a ceram[...]

5-28 Functional Information EN V ariable Fusing T emperature Figure 5-15 Fusing T emperature Control V ar iable Fusing T emperature is a f eature that giv es the user or ser vice technician the ability to adjust the fusing temperature based on the media being used in the printer . The def ault mode is Normal and should be optimal f or most users. T[...]

EN Paper Feed System 5-29 P aper Feed System Figure 5-16 P a per P ath The paper in T ray 1 is detected b y the T ra y 1 paper sensor (PS401). The paper in T ray 2 is detected b y the T ra y 2 paper sensor (PS301). The size of the paper in T ra y 2 and the presence of T ra y 2 installed in the printer are detected by f our s witches (SW403, SW404, [...]

5-30 Functional Information EN The paper passes through the registration roller paper sensor (PS403) and stops at the registration roller to loop the leading edge and its ske w is corrected. Then the registr ation clutch (CL405) tur ns on to restar t paper feed. The DC controller PCA sends the top of page signal (/T OP) to the F ormatter PCA within[...]

EN Paper Feed System 5-31 Printing fr om T ra y 1 The presence of paper in T ra y 1 is detected by the T ra y 1 P aper Sensor (PS401). When the F ormatter PCA sends the /PRNT (pr int signal) to the printer , the CPU turns the T ra y 1 pickup solenoid (SL404) on within the specified period of time for the main motor (M1) and the scanner motor to sta[...]

5-32 Functional Information EN Figure 5-17 T ra y 1 Pick up[...]

EN Paper Feed System 5-33 Printing fr om T ra y 2 When the F ormatter PCA sends the /PRNT (pr int signal) to the printer , the CPU turns the T ra y 2 pickup solenoid (SL306) on about 0.15 seconds after the main motor (M1) star ts rotating, then tur ns on the f eed roller clutch (CL406). The main motor rotates the T ra y 2 pick up roller and f eed r[...]

5-34 Functional Information EN Figure 5-19 P aper Skew Loop-f or ming[...]

EN Paper Feed System 5-35 Printing fr om the Optional 500-sheet and 250-sheet T rays There are two kinds of paper f eeders: 250-sheet and 500-sheet. The paper f eeder operation sequence is controlled b y the paper handling PCA. The paper handling PCA has the 8-bit microcomputer , and controls the serial communications between the operation sequence[...]

5-36 Functional Information EN Figure 5-21 500-sheet P aper Feeder[...]

EN Paper Feed System 5-37 P aper Jam T o detect the presence of paper and whether the paper has been correctly f ed, the f ollowing paper sensors are installed: ● Registration roller paper sensor (PS403) ● T op of page sensor (PS402) ● Fuser paper deliv er y sensor (PS1306) If the paper does not reach or pass through any of the sensors within[...]

5-38 Functional Information EN Duplex er This function is to re v erse the one side printed paper from the pr inter and ref eed it into the printer . The Duple x er operation sequence is controlled b y the duple x dr iver PCA. The duple x driver PCA has the 8-bit microcomputer , which controls the serial communications between the operation sequenc[...]

EN Paper Feed System 5-39 Figure 5-22 P aper Feed f or the Duple x er[...]

5-40 Functional Information EN Rever sing System The duple xing driver PCA receiv es the duplex admission command from the printer first. It tur ns on the Duplex er deflector dr iv e solenoid (SL1701), and the Duple x er deflector in the printer then star ts to send the paper into the Duple x er . Within a specified period of time after receiving t[...]

EN Paper Feed System 5-41 Figure 5-24 Duple xing Unit[...]

5-42 Functional Information EN Uncurling Function This printer has the function to minimize a paper from wrinkle and paper edge crease due to curl. The printer sends the command to the duplexing driver PCA b y receiving the uncurling command sent from the formatter PCA. The duple xing driver PCA e xecutes one of the operations belo w b y the comman[...]

EN Paper Feed System 5-43 Figure 5-25 P a use Mode Dance Mode Dance mode reduces paper curl by ref eeding paper into the duple xing unit three times. The paper ref eeds into the duple xing unit about 30 mm b y using the pause mode. Then the duple xing dr iver PCA rotates the re versing motor (PM1701) counter clockwise (CCW), and the re versing roll[...]

5-44 Functional Information EN Figure 5-26 Dance Mode P aper Jam in the Duplexer The f ollowing sensors are located to detect the presence of paper and to determ ine whether the paper is correctly f ed. ● re v ersing unit paper sensor (PS1701) ● ref eed paper sensor (PS1703) If the paper does not reach or pass through any of the sensors within [...]

EN Basic Sequence of Operation 5-45 Basic Sequence of Operation The F ormatter PCA and the DC Controller Board share information during pr inter operation. The Interf ace PCA f orms a link which operates as a serial data bus . This allows printer status, command, and dot-image data to be passed between the two PCAs . T able 5-1 shows the gener al t[...]

5-46 Functional Information EN LSTR (last rotations) After the primar y DC voltage turns off until the Main Motor stops. Delivers the final page and cleans the transf er charging roller . As soon as the /PRNT signal is input from the F ormatter PCA, the printer enters the INTR period. T able 5-1. Printer Timing P eriod Timing Purpose Remark[...]

EN Basic Sequence of Operation 5-47 Figure 5-27 Timing Diagram[...]

5-48 Functional Information EN[...]

EN Overview 6-1 6 Remo ving and Replacing P ar ts Overview This chapter discusses the f ollowing: ● User Installable Accessories ● Remov al and Replacement Str ateg y ● Removing Co v ers ● Removing Assemb lies[...]

6-2 Removing and Replacing Parts EN User Installable Accessories Memory Upgrade CA UTION Static electricity can damage dual in- line memor y modules (DIMMs). When handling DIMMs, either we ar an antistatic wrist strap or frequently touch the surf ace of the DIMM’ s antistatic package , then touch bare metal on the printer . If you ha ve not alrea[...]

EN User Installable Accessories 6-3 6 Slide the f ormatter board back into the printer and tighten the two screws . 7 If an optional duple x er is installed, reattach the cable tr a y and the rear section of the duple x er . Reattach any interf ace cables and the pow er cord. T ur n the pr inter on and test the DIMM. Note Single in-line memor y mod[...]

6-4 Removing and Replacing Parts EN If an optional duplexer is installed: 1 Slide the rear section of the duple x er aw ay from the printer . 2 Remov e the rear section of the duple x er by lifting and rotating the rear section to clear all of the tabs in the groov es, as illustrated. 3 Unplug the pow er cord and disconnect any cab les . 4 Remov e [...]

EN User Installable Accessories 6-5 Chec king Memory Installation F ollow this procedure to v er ify that DIMMs are installed correctly: 1 Check that the printer’ s control panel displa ys READY when the printer is tur ned on. If an error message appears, a DIMM might hav e been incorrectly installed. Check the printer messages. 2 Print a new con[...]

6-6 Removing and Replacing Parts EN Figure 6-1 Installing EIO Cards or Mass Storage Devices[...]

EN Removal and Replacement Strategy 6-7 Remo v al and Replacement Strateg y This chapter documents remov al and replacement of major assemblies . Replacement is generally the re v erse of remo va l. Occasionally , inf ormation is included to provide direction for difficult or critical replacement procedures. W ARNING! Unplug the power cord from the[...]

6-8 Removing and Replacing Parts EN Figure 6-2 Phillips vs. P osidriv Screwdrivers Phillips P osidr iv T able 6-1. Screws Used in the Printer Drawing and Description Purpose Threaded Phillips with captive star w asher Used to f asten metal to metal when good electrical contact is needed. Silver Self-tapping Phillips scre w Used to f asten metal or [...]

EN Removal and Replacement Strategy 6-9 Threaded Phillips screw with loc k and flat washer Used to f asten metal or plastic to threaded plastic or metal. Spring Screw Used to ground and align the DC Controller pan. Long Machine Screw Used to f asten the DC Controller . T able 6-1. Screws Used in the Printer (continued) Drawing and Description Purpo[...]

6-10 Removing and Replacing Parts EN Remo ving Co ver s Rear Door / Rear Output Bin 1 F ace the rear of the pr inter . Press the two locking tabs to ward the center of the printer , releasing the Rear Door . Figure 6-3 Rear Door/Rear Output Bin . Item Explanation A Locking T abs[...]

EN Removing Covers 6-11 2 The plastic suppor t strap is located on the left side of the printer . T o release the strap, pinch the top of the strap with y our inde x finger underneath the strap, and y our thumb on top of the tab. Squeeze and lift up from the bottom, while pulling out (Figure 6-4). Figure 6-4 Suppor t Strap 3 Slide the door to the l[...]

6-12 Removing and Replacing Parts EN T op Co ver F acing the front of the pr inter , open the T op Co v er and remov e the T oner Car tridge. CA UTION T o pre vent damage to the toner car tridge, do not expose it to light f or more than a f ew min utes. Figure 6-5 T oner Car tridge Engagement Arm 1 Release the T oner Car tridge Engagement Arm from [...]

EN Removing Covers 6-13 CA UTION It is cr itical that step 1 be perf ormed before y ou attempt to remov e the T op Cover . If you damage the Arm, the printer will not operate. 2 Remov e the tw o self-tapping screws on the top of the chassis . 3 Remov e the tw o self-tapping screws on the top portion of the back of the printer . (The Rear Cov er nee[...]

6-14 Removing and Replacing Parts EN 4 The cable connecting the Control P anel to the printer chassis is on the left side of the T op Cover . Tilt the cover to the left as y ou lift it. Be careful not to stress the cable as y ou loosen the cover . Figure 6-6 Control P anel Cab le 5 Disconnect the Control P anel cab le from the printer chassis by gr[...]

EN Removing Covers 6-15 Contr ol P anel Overlay and Contr ol P anel 1 Remov e the T op Cov er (page 6-12). 2 The Control P anel Overlay is held in place on the T op Cov er by two tabs on each side . Slide a small flat-blade scre wdr iver along the outside edge of the Control P anel Overlay , to disengage the two tabs on the outside of the co v er .[...]

6-16 Removing and Replacing Parts EN Figure 6-8 Back Side of T op Cover Item Explanation A Direction to slide control panel out B Screw[...]

EN Removing Covers 6-17 T oner Car t ridge Door Assembly 1 Remov e the T op Cov er (page 6-12). 2 Remov e the Control P anel from the T op Co v er (page 6-15). (The Control P a nel must be remov ed before you can separ ate the T oner Car tridge Door from the T op Cover . ) 3 Disengage the pins (A) by pressing outw ard, as shown belo w . Figure 6-9 [...]

6-18 Removing and Replacing Parts EN Fr ont Co ver and T ray 1 F ront Cover and T ra y 1 must be remov ed individually . See Figure 6-10. 1 Open the F ront Cov e r door . 2 Disengage the T ra y 1 Guide pins from inside the F ront Cover b y pushing the Guides (C) outward. The Co v er and T ra y 1 will be separated. Press T ra y 1 Guide against the p[...]

EN Removing Covers 6-19 Figure 6-11 Tr a y 1 4 Release the T ray 1 Guide b y allo wing the guide to slide off the ke y ed pins at its low est position (Figure 6-11).[...]

6-20 Removing and Replacing Parts EN Fr ont Co ver Pins 1 Remov e the F ront Cov er and T ra y 1 (page 6-18). 2 Remov e the scre ws (A) to free the F ront Cov er Pins. Figure 6-12 F ront Cover Pins Hint T o install a self-tapping screw , first tur n it to the left until it clicks , indicating the threads are seated. Then, turn it to the right to ti[...]

EN Removing Covers 6-21 F ace Down Assemb l y 1 Remov e the T op Cov er (page 6-12). 2 F ace the back of the printer . 3 Squeeze the loc king tabs inwa rd, one side at a time, to release the F ace Down Assembly . See Figure 6-13 4 Lift slightly and then remov e the Assemb ly with a rolling motion aw a y from you. Be careful not to break the tw o lo[...]

6-22 Removing and Replacing Parts EN Figure 6-14 F ace Down Assemb ly Item Explanation A Locator Pins[...]

EN Removing Covers 6-23 Left and Right Side Co vers The remov al procedure is the same for both the left and the right side cov ers . See Figure 6-15. 1 Remov e the T op Cov er (page 6-12). 2 Locate the tab in the top middle of the cov er . Release the tab by pushing down on it. 3 Grab the side co ver at the top b y the front edge. With your other [...]

6-24 Removing and Replacing Parts EN T ray 1 Inner Co ver 1 Remov e the T op Cov er (page 6-12), Left and Right Side Covers (page 6-23), and F ront Cov er and T ray 1 (page 6-18). CA UTION Be sure to locate the Pa per Sensor Flag on the left side of the Co v er , bef ore proceeding to step 3. It rests in an indention in the left side of the chassis[...]

EN Removing Covers 6-25 Figure 6-17 T ra y 1 Inner Cov er (front of printer) Hint An e xtension of the P aper Sensor Flag fits into a slot in the T ray 1 Lift Plate (page 6-56). Orient the flag so that it aligns with both the slot and the indentation in the left side of the chassis. Item Explanation A Screws[...]

6-26 Removing and Replacing Parts EN Right and Left Corner Co vers These cov ers are each secured b y one self-tapping screw . Remove the screw , and lift off the cove r . Figure 6-18 Right and Left Cor ner Cov ers Item Explanation A Corner Cover Scre ws[...]

EN Removing Assemblies 6-27 Remo ving Assemblies Internal assemblies are shown in Figure 6-19. All ref erences to the right and left are assumed to be relative to the front of the printer , unless otherwise specified. Figure 6-19 Internal Assemblies Item Explanation A Upper Delivery Assembly B Laser Scanner C Main Gear Assembly D P aper Handling PC[...]

6-28 Removing and Replacing Parts EN T ransfer Roller Assembl y CA UTION Nev er touch the transfer roller with y our fingers. Use unpowdered late x glov es if possib le . Roll it up in a clean sheet of paper to protect it after remov al. 1 F a ce the front of the printer , and lift the small green handle on the right side of the Registration Assemb[...]

EN Removing Assemblies 6-29 Figure 6-21 Right Side of T ransfer Roller Note The T ransfer Roller is held on the right side b y a hinged clip . 2 F ree the T ransf er Roller from the hinged clip by lifting straight up using the blue cleaning brush located inside of the top cov er (Figure 6-21). 3 F ree the left side of the T ransf er Roller by lifti[...]

6-30 Removing and Replacing Parts EN Fuser 1 Remov e the Rear Door and Rear output bin (page 6-10). 2 F acing the back of the printer , remove the tw o machine screws holding the Fuser in the chassis. See Figure 6-22. 3 Using a small, flat bladed scre w dr iver , lift at “D” to disengage the Fuser Assembly detents . Grasp the g reen Pressure Re[...]

EN Removing Assemblies 6-31 P aper Handling PCA 1 Remov e the T op Cov er (page 6-12) and Left Side Cov er (page 6-23). 2 F acing the left side of the pr inter , disconnect the r ibbon cab le from the PCA. 3 Remov e tw o self-tapping screws and tw o machine screws from the PCA. 4 Rotate the PCA outward, and disconnect the fiv e cables. See Figure 6[...]

6-32 Removing and Replacing Parts EN T op Margin Adjustment When the terminal PCA is replaced in the field, the top margin needs to be re-adjusted. Also , if the top margin of test pr ints made after laser/scanner unit replacement is not 2.0 mm, this adjustment is necessar y . The adjustment procedures are shown belo w . 1 After setting the VR401 o[...]

EN Removing Assemblies 6-33 Figure 6-25 Location of VR401[...]

6-34 Removing and Replacing Parts EN Main Gear Assembl y 1 Remov e the T op Cov er (page 6-12) and the Left Cov er (page 6-23). 2 The Main Motor is located on a PCA (see Figure 6-26) on the back side of the Gear Assemb ly . Disconnect the Main Motor Cable . 3 Remov e fiv e self-tapping scre ws and the grounding scre w (spring-loaded machine screw) [...]

EN Removing Assemblies 6-35 Figure 6-27 Removing the Main Gear Assemb ly 4 Rotate the bottom of the assembly out (Figure 6-27), and then low er it to release the Locating T ab (A) and remove the Main Gear Assembly . CA UTION Use caution when removing the assembly . The T oner Car tridge Engagement Arm may break if not handled carefully . Hint Remem[...]

6-36 Removing and Replacing Parts EN Pic kup Gear Assembl y 1 Remov e the T op Cov er (page 6-12), Left Side Co v er (page 6-23), and the P aper Handling PCA (page 6-31). 2 Remov e the f our self-tapping screws from the Gear Assembly . Figure 6-28 shows the Assemb ly and the location of the scre ws. 3 Release the small spring (B) on the gear . 4 Re[...]

EN Removing Assemblies 6-37 Hint Bef ore replacing the Pic k up Gear Assemb ly , route the cables through the wire clip behind the Left Corner Cover . Reattach the spring from the T ra y 2 Shaft Gear to the P aper F eed Roller Assembly Gear . Item Explanation A P aper F eed Roller Assemb ly Gear B Location to Release Spring C T ra y 2 Shaft Gear D [...]

6-38 Removing and Replacing Parts EN T ray 1 Pic kup Solenoid 1 Remov e the Pic kup Gear Assemb ly (page 6-36). 2 Remov e the T ra y 1 Solenoid b y removing one b lac k machine screw and sliding the Solenoid assemb ly awa y from the Pickup Gear Assembly . Figure 6-29 Pick up Gear Assembly with Solenoid Item Explanation A T ra y 1 Pickup Solenoid[...]

EN Removing Assemblies 6-39 Fa n 1 Remov e the T op Cov er (page 6-12) and Right Side Cov er (page 6-23). 2 Disconnect the cable that supplies po wer to the f an. 3 Remov e the tw o self-tapping screws securing the f an to the chassis. 4 Remov e the f an from the chassis. Figure 6-30 F an (r ight side view of printer) Item Explanation A Screws B P [...]

6-40 Removing and Replacing Parts EN Formatter Assembl y 1 Print a Configuration P age, if possib le, to use as a refe rence when reinstalling the new f or matter . 2 Remov e any EIO accessories from the EIO slots. 3 F acing the back of the printer , loosen the two thumbscrews and slide the F ormatter Assembly out. 4 Remov e an y DIMMs from the DIM[...]

EN Removing Assemblies 6-41 T ray 1 Roller 1 Open the T op Cove r and remov e the T oner Car tr idge. 2 F acing the front of the printer , raise the green center handle of the Registration Assemb ly . 3 Depress the locking tab on the right side roller cam, and slide the cam to the right. 4 Remov e the D-Roller from the shaft. Figure 6-32 T ra y 1 R[...]

6-42 Removing and Replacing Parts EN T ray 2 Roller 1 Remov e the P aper T r a y , and tilt the printer backw ards, with the front of the printer facing up . 2 Depress the tab (A) on the right side cam, and slide the cam and the bushing to the right. 3 Rotate the D-Roller 180 o and remov e it from the shaft. Figure 6-33 T ra y 2 Roller (bottom view[...]

EN Removing Assemblies 6-43 P aper Feed Roller Assembly 1 Remov e the T op Cov er (page 6-12), Left Side Co v er (page 6-23), Main Gear Assembly (page 6-34), P aper Handling PCA (page 6-31), and Pick up Gear Assembly (page 6-36). 2 Remov e the P aper Feed Roller Clutch (C) located on the left side of the P aper Feed Roller Assemb ly , below the Reg[...]

6-44 Removing and Replacing Parts EN 3 Remov e the tw o machine screws in the center of the printer , under the Registration Assemb ly Roller Guide. See Figure 6-35. Figure 6-35 Location of two “common” scre ws (inside printer) 4 Remov e the paper tr a y , and tilt the printer back, with the front f acing up . 5 Remov e the fiv e self-tapping s[...]

EN Removing Assemblies 6-45 Figure 6-36 P aper Feed Roller Assembly (bottom vie w of pr inter) 6 Remov e the P aper Feed Roller Assemb ly from the chassis, while f eeding the cable bac k through the hole in the chassis. Item Explanation A Screws[...]

6-46 Removing and Replacing Parts EN DC Contr oller Boar d and P ower Suppl y This assembly contains tw o PCAs. One houses the DC Controller and the High-V oltage P ow er Supply , and the other contains the Lo w- V oltage P o wer Supply . 1 Remov e the T op Cov er (page 6-12), Left and Right Side Covers (page 6-23), and the F ormatter Assembly (pag[...]

EN Removing Assemblies 6-47 Figure 6-37 DC Controller Assembly (rear vie w of printer) Item Explanation A Machine Screws B Self-tapping Scre ws C Lock W asher/Grounding Wire[...]

6-48 Removing and Replacing Parts EN Figure 6-38 DC Controller Assembly (long scre ws) 5 Remov e the tw o screws (A) (Figure 6-38) located at the bac k of the DC Controller Assembly , inside the chassis. These are long screws; their position requires the use of a magnetiz ed screwdriver . 6 F acing the rear of the pr inter , remov e the two spring-[...]

EN Removing Assemblies 6-49 8 The boards are linked b y a r ibbon cable and held onto the tr a y with f our screws each. Carefully remo v e the ribbon cable that connects them, and loosen the screws on the board y ou wish to remov e. Figure 6-39 DC Controller Assembly Hint T o prev ent damage to the high v oltage contacts, the P aper F eed Belt Ass[...]

6-50 Removing and Replacing Parts EN P aper Feed Belt Assembly 1 Remov e the T op Cov er (page 6-12), Left Cov er (page 6-23), and Main Gear Assembly (page 6-34), DC Controller (page 6-46), and T ransfer Roller Assemb ly (page 6-28). 2 F acing the front of the pr inter , remove the machine screws on each side of the Belt Assembly . 3 Raise the Regi[...]

EN Removing Assemblies 6-51 Figure 6-41 P aper Feed Belt Assembly (remo ved) Note T o prev ent damage to the high v oltage contacts, the F eed Belt Assembly MUST be reinstalled prior to the installation of the DC Controller . Item Explanation A Location where guide snaps out with two tabs on bottom B This edge has a metal ridge with shar p teeth. U[...]

6-52 Removing and Replacing Parts EN T ray 1 Shaft 1 Remov e the T op Cov er (page 6-12), Left and Right Side Covers (page 6-23), Pick up Gear Assembly (page 6-36), and P aper Handling PCA (page 6-31). 2 Raise the green center handle of the Registration Assemb ly . 3 Remov e the plastic collar on the right, outside the chassis, b y pulling outward [...]

EN Removing Assemblies 6-53 5 Release the tabs of the gear on the left side of the shaft, outside the chassis, and slide the gear off . 6 Slide the shaft to the right, and then angle it out of the chassis. Hint Make sure that the T ra y 1 Lift Plate (with spr ing) is pressed down bef ore installing the T ray 1 Shaft. The Shaft captiv ates the T ra [...]

6-54 Removing and Replacing Parts EN T ray 2 Shaft 1 Remov e the T op Cov er (page 6-12), Left and Right Side Covers (page 6-23), Pick up Gear Assembly (page 6-36), and P aper Handling PCA (page 6-31). 2 Remov e the spring from the gear on the left side of the shaft. 3 Align the solenoid arm (B) (see Figure 6-43) with the gap in the gear (on the le[...]

EN Removing Assemblies 6-55 Reassembl y Steps: 1 Tip the printer back, so that the front f aces up . 2 Inser t the shaft into the fitting on the r ight side. Then, angle the shaft into the other side. 3 Place the bushing on the right end of the shaft, and push until the tab locks in the indentation in the shaft. 4 F acing the left side of the pr in[...]

6-56 Removing and Replacing Parts EN T ray 1 Lift Plate 1 Remov e the F ront Cov er (page 6-18), T ra y 1 Shaft (page 6-52), T op Cov er (page 6-12), Left and Right Side Cov ers (page 6-23). 2 Rotate the T ray 1 Lift Plate until the opening of the hook f aces up. Then, press down on each hook until it slips off the shaft on which it is mounted. Whe[...]

EN Removing Assemblies 6-57 T ray 1 Separation P ad 1 Rotate the Separation P ad 90 o toward y ou, so that it is oriented up . 2 Lift the assembly out of the slots . Be sure not to lose the spring, which is not captive . Figure 6-46 T ra y 1 Separation P ad[...]

6-58 Removing and Replacing Parts EN P aper Guide 1 Lift the green handle in the middle of the Registration Assemb ly . 2 Release the Guide by freeing the end pins and the clips in the middle, then lift the P aper Guide out. Figure 6-47 P aper Guide Item Explanation A Green Handles B P aper Guide C End Pins[...]

EN Removing Assemblies 6-59 P aper Path Detect Sensor 1 Remov e the P aper T r a y . Remov e the T op Cov er (page 6-12), Left Side Cov er (page 6-23), Pickup Gear Assemb ly (page 6-36), and P aper Handling PCA (page 6-31). 2 Remov e the tw o screws securing the Sensor to the chassis. 3 Remov e the Sensor , f eeding the cab le through the opening i[...]

6-60 Removing and Replacing Parts EN F ace Down Bin Full Sensor 1 Remov e the T op Cov er (page 6-12), Rear Door/Rear Output Bin (page 6-10), and Left and Right Side Cov ers (page 6-23). 2 The F ace Do wn Bin Full Sensor is located on the top of the Upper Delivery Assembly . Release the tw o clips (A) (Figure 6-50), and slide the Sensor to the righ[...]

EN Removing Assemblies 6-61 Figure 6-50 Detail of Bin Full Sensor Item Explanation A Clips[...]

6-62 Removing and Replacing Parts EN P ower Connection 1 Remov e the T op Cov er (page 6-12), Left Side Co v er (page 6-23), and Rear Door / Rear Output Bin (page 6-10). 2 Disconnect the two cab les from the P ower Connection. 3 Remov e the tw o self-tapping screws . 4 Remov e the P ow er Connection. Figure 6-51 P ower Connection Item Explanation A[...]

EN Removing Assemblies 6-63 Registration Assembl y 1 Remov e the T op Cov er (page 6-12), Left Side Co v er (page 6-23), Pick up Gear Assembly (page 6-36), and the Main Gear Assemb ly (page 6-34). 2 Release the E-ring on the Registration Assembly Clutch, and remov e the Clutch (Figure 6-34 on page 6-43). 3 Remov e the tw o “common” machine scre[...]

6-64 Removing and Replacing Parts EN Figure 6-53 Registration Assemb ly Clutch Hint When reinstalling the clutch, orient the shaft with the flat spot up. When the clutch slides on, the slotted metal alignment tab will seat onto a plastic stabilizer . Make sure that the cab le is situated awa y from the Registration Assemb ly bef ore y ou reinstall [...]

EN Removing Assemblies 6-65 Upper Delivery Assembly 1 Remov e the T op Cov er (page 6-12), Rear Door/Rear Output Bin (page 6-10), and Left and Right Side Cov ers (page 6-23), Main Gear Assembly (page 6-34),. Figure 6-54 Upper Deliv er y Assembly (rear left vie w of printer) 2 F ace the left side of the printer . The Deliv er y Assembly is secured w[...]

6-66 Removing and Replacing Parts EN Figure 6-55 Upper Deliv er y Assembly T abs 3 The F ace Down Bin Full Sensor is on the left side of the Upper Delivery Assembly (page 6-60). Be careful not to damage it as you slide the Deliv er y Assembly out of the chassis. Hint T o reassemble the Upper Deliv er y Assembly , slide the unit str aight down to lo[...]

EN Removing Assemblies 6-67 Delivery Roller Remov al 1 Remov e the T op Cov er (page 6-12) the Left and Right Side Cov ers (page 6-23), Rear door/Rear Output Bin (page 6-10), Main Gear Assembly (page 6-34), and the Upper Deliv er y Assembly (page 6-65). Figure 6-56 Delivery Roller Components 2 F acing the left side of the pr inter , inser t a flat-[...]

6-68 Removing and Replacing Parts EN Figure 6-57 Right Delivery Roller T ab 5 The Low er Deliv e r y Rollers ma y f all out. When you replace them, make sure the y align with the indentations in the chassis. 6 Individual Rollers, located abo v e the Lower Deliv ery Rollers, may be remov ed b y using a flat-b lade screwdriv er to push gently on the [...]

EN Removing Assemblies 6-69 Laser Scanner Assembl y 1 Remov e the T op Co ver (page 6-12) and the F ace Do wn Assembly Base (page 6-21). 2 F acing the back of the printer , remove the f our blac k screws holding the assembly to the chassis . 3 Disconnect the cables B , C , and D on each side of the assembly . 4 Remov e the protectiv e plastic and d[...]

6-70 Removing and Replacing Parts EN Main Motor 1 Remov e the Main Gear Assemb ly (page 6-34). 2 Remov e the three scre ws securing the motor to the back of the Main Gear Assembly . 3 Carefully separate the motor from the Gear Assemb ly . Figure 6-59 Main Gear Assembly with Motor (rear vie w) Item Explanation A Screws[...]

EN Removing Assemblies 6-71 T oner Car t ridge Guides 1 Remov e the T op Cov er (page 6-12) and Left and Right Side Cov ers (page 6-23). 2 Release the “leading” tab (A) first. See Figure 6-60. 3 Rotate the Guide in the direction shown to unloc k the remaining two tabs . 4 Slide the Guide out of the chassis Figure 6-60 T oner Car tridge Guide Hi[...]

6-72 Removing and Replacing Parts EN P ower Inlet Assemb ly 1 Remov e the T op Cov er (page 6-12) and the Right Side Cov er (page 6-23). 2 Remov e the Switch Rod b y fle xing it slightly and unhooking it from the s witches on each end. 3 Remov e the three self-tapping scre ws (B) from the P ower Inlet housing. 4 Remov e the machine scre w (A) and g[...]

EN Optional 500-sheet Tray Disassembly 6-73 Optional 500-sheet T ray Disassemb l y 1 Using a flathead screwdriv er , release the locking tabs b y pressing down in the loc king tab location slots. 2 Remov e the right and left auxiliar y cov e rs, and the front co v er . Figure 6-62 Optional 500-sheet T ra y (top view) A Locking T abs B A uxiliary co[...]

6-74 Removing and Replacing Parts EN Figure 6-63 500-sheet T ray (top vie w with covers remo v ed) 3 Remov e the nine self-tapping screws . A Self-tapping scre ws[...]

EN Optional 500-sheet Tray Disassembly 6-75 T ray Indicator Assembl y 1 Remov e the left front corner cov er scre w . 2 Re m ove t h e c ove r. 3 Remov e the T ra y Indicator Assemb ly . Figure 6-64 Removing the T ra y Indicator Assemb ly A Left Corner Cove r screw B T ra y Indicator Assembly[...]

6-76 Removing and Replacing Parts EN Left Fr ont Corner Cover Installation 1 Install the T ray Indicator Assemb ly . 2 Depress the indicator to ensure the T ray Indicator Limit T ab is between the upper and low er limit stops. Note Ensure that the T ray Indicator oper ates correctly . Figure 6-65 Installing the Left F ront Cor ner Cov er A T ra y I[...]

EN Optional 500-sheet Tray Disassembly 6-77 P aper Siz e Spring Assembl y 1 Remov e the P aper Size Spring Assembly b y disengaging the locking tabs from the left fr ame assembly . 2 Lift straight up to separate the internal component assembly from the frame assemb ly . Figure 6-66 Removing the P aper Size Spring Assembly A P aper Size Spring Assem[...]

6-78 Removing and Replacing Parts EN D-Roller and Feed Roller Feed Roller Remov al 1 Pinch the F eed Roller T ab and slide it off of the shaft. D-Roller Remov al 1 Disengage the Spring (B). 2 Remov e the Pic kup Roller Shaft from the Retaining Clips . 3 Depress the Locking T ab on the D-Rollers and remov e it from the shaft. Figure 6-67 Removing th[...]

EN Optional 500-sheet Tray Disassembly 6-79 Gear Assembl y and PCA 1 Remov e the Gear Assemb ly b y removing the six small self- tapping screws . 2 Remov e the 500-sheet Feeder PCA b y removing the two machine screws (C). 3 Remov e the P aper Size Switch PCA b y removing the tw o machine screws . Figure 6-68 Removing the Gear Assemb ly and PCA A P [...]

6-80 Removing and Replacing Parts EN P ower Connector 1 Remov e the P ow er Connector by remo ving the two scre ws (A). Figure 6-69 Removing the P ow e r Connector AS c r e w s[...]

EN Optional 500-sheet Tray Disassembly 6-81 Separation Roller 1 Lift the Retur n Cov er . 2 Pinch the Separation Roller T ab . 3 Slide the Separation Roller off of the shaft and remo ve . Figure 6-70 Removing the Separ ation Roller A Separation Roller B Return Cover[...]

6-82 Removing and Replacing Parts EN[...]

EN Overview 7-1 7 T roub leshooting Overview This chapter discusses the f ollowing: ● T roubleshooting Process ● T roubleshooting the Printing System ● General T roubleshooting Inf or mation ● Ref erence Diagrams[...]

7-2 Troubleshooting EN T roub leshooting Pr ocess The troubleshooting process is a systematic approach that addresses the major problems first, then other prob lems as you identify the causes f or printer malfunctions and errors. The T roubleshooting Process Flow on page 7-4 illustr ates the major steps f or troubleshooting the printing system. Eac[...]

EN Troubleshooting Process 7-3 Image Quality (page 7-48) Does the print quality meet the customer’s e xpectations? This section gives T oner Car tr idge checks , inf ormation on EconoMode, image def ect examples, and the repetitiv e defect rul er . Interface T roubleshooting (page 7-76) Can the customer print from the host system successfully? Th[...]

7-4 Troubleshooting EN T roubleshooting Pr ocess Flow[...]

EN Troubleshooting Process 7-5[...]

7-6 Troubleshooting EN T roub leshooting the Printing System Preliminary Operating Checks Prior to troubleshooting a specific printer problem, y ou should ensure that: ● The printer is being maintained on a regular basis as descr ibed in Chapter 4. ● The customer is using acceptable paper as specified in the HP LaserJet Printer F amily P aper S[...]

EN Troubleshooting the Printing System 7-7 P ower On It is impor tant to hav e the printer’ s Control Panel functional as soon as possible in the troub leshooting process so that the pr inter’ s diagnostics can assist in locating printing errors. T able 7-2. P ower on Def ect or Blank Displa y Prob lem Action Is the pow er cord plugged into the[...]

7-8 Troubleshooting EN T able 7-3. No A C P ower Cause Action No correct volt age present at the outlet. Plug the pow er cord into another A C circuit outlet. Inf orm the customer that the correct line volt age is not av ailab le at the outlet. The power cord is not firmly plugged into the printer and the outlet. Inser t the power plug firmly . Blo[...]

EN Troubleshooting the Printing System 7-9 Engine T est The engine test v erifies that the pr int engine is functioning correctly . The F ormatter PCA is completely bypassed during an engine test. This test is ve r y useful f or isolating printer problems. The engine test prints a full page of lines across the entire pr intable area, and is also us[...]

7-10 Troubleshooting EN Engine T est Button Location The engine test v erifies that the pr int engine is functioning correctly . The F ormatter PCA is completely bypassed during an engine test. This test is ve r y useful f or isolating printer problems. The engine test prints a full page of lines across the entire pr intable area, and is also usefu[...]

EN Troubleshooting the Printing System 7-11 Displa y The Control P anel should display READY , OFFLINE , or POWERSAVE ON . F or inf ormation about errors display ed, access the Event Log. If the displa y is b lank, see “Preliminar y Operating Chec ks” on page 7-6.[...]

7-12 Troubleshooting EN Event Log Use the Event Log to diagnose and troub leshoot pr inter errors and interm ittent f ailures. Y o u can either displa y or print the Event Log. Access the Event log from the Control P anel’ s Information Menu. (Select PRINT EVENT LOG or SHOW EVENT LOG .) The Event Log retains the printer’ s last 30 error message[...]

EN Troubleshooting the Printing System 7-13 Figure 7-2 Event Log P age[...]

7-14 Troubleshooting EN Displa y the Event Log If the printer cannot pr int or mov e any paper , follow these steps to displa y the Ev ent Log. 1 Press [Menu] until INFORMATION MENU appears. 2 Press [Item] until SHOW EVENT LOG appears . 3 Press [Select] to show the Ev ent Log. 4 Press [+] to scroll through the Ev ent Log. 5 Write down the error mes[...]

EN Troubleshooting the Printing System 7-15 The Event Log ma y record errors in a diff erent f or mat than the Control P anel Display . F or example , should a 50.1 FUSER ERROR / CYCLE POWER be displa yed on the Control P anel, the Ev ent Log will record a 50.02.01 error , with the 02 signifying that 2 sensors were bloc k ed. Like wise , when a 13.[...]

7-16 Troubleshooting EN Printer Messages The f ollowing tab le e xplains messages that might display on the printer’ s Control P anel. Alphabetical pr inter messages and their meanings are listed in T able 7-5, and numerical printer messages are listed in T ab le 7-6. Hint If the message persists requesting that you load a tr a y , or if a messag[...]

EN Troubleshooting the Printing System 7-17 BAD OPT TRAY CONNECTION The optional tra y is not connected properly . 1. Re-install the optional tray . 2. Make sure the optional tra y is connected and the connector is not damaged. 3. Replace the optional tray . CANNOT DUPLEX REAR BIN OPEN The printer cannot duplex because the rear output bin is open. [...]

7-18 Troubleshooting EN DISK FILE OPERATION FAILED The requested operation could not be performed. Y ou might hav e attempted an illegal operation, such as trying to download a file to a non-e xistent directory . 1. Check the filename and directory name. 2. Retry the task. DISK FILE SYSTEM IS FULL The disk is full. 1. Delete files from the EIO disk[...]

EN Troubleshooting the Printing System 7-19 FLASH FILE SYSTEM IS FULL The flash DIMM is full. 1. Delete files from the Flash DIMM or add another DIMM. 2., Download or delete files from HP JetAdmin, and download or delete f onts from HP Fo ntSmar t. (See the software help f or more info r mation.) FLASH IS WRITE PROTECTED The flash DIMM is protected[...]

7-20 Troubleshooting EN INSTALL TRAY x The printer is unable to print the current job because the specified tra y ( x ) is open or not inser ted correctly . 1. Re-inser t the specified tray . 2. Check f or damaged tabs in the tra y . 3. Check f or damaged s witches in the printer . 4. Replace the PCA Controller in the f eeder . LOADING PROGRAM <[...]

EN Troubleshooting the Printing System 7-21 MEMORY FULL STORED DATA LOST There is no av ailable memor y in the printer . The current job might not print correctly and some resources (such as downloaded f onts or macros) might hav e been deleted. The customer might want to add more memor y to the printer , or simplify the print job. MEMORY SETTINGS [...]

7-22 Troubleshooting EN PERFORM PRINTER MAINTENANCE T o ensure optimum print quality , the printer prompts the customer to hav e routine maintenance perf ormed e v er y 150,000 pages. Install the Printer Maintenance Kit. Be sure to reset the Maintenance P age Count when y ou install the PM Kit. See page 3-34 f or inf ormation on resetting the Maint[...]

EN Troubleshooting the Printing System 7-23 RAM DISK IS WRITE PROTECTED The RAM disk is protected, and no new files can be written to it. Disable the write protection through HP JetAdmin. TRAY x EMPTY The specified tra y is empty , but the current job does not need this tra y in order to print correctly . If this message appears and the tra y conta[...]

7-24 Troubleshooting EN TRAY x LOAD [TYPE] [SIZE] One of the f ollowing occurred: There is no paper loaded in the specified tra y , or the paper is not the size requested, or the Control P anel is not set f or the size of paper loaded. The tra y is not properly adjusted f o r siz e. The def ault paper size is set incorrectly . If this message appea[...]

EN Troubleshooting the Printing System 7-25 USE [TYPE] [SIZE] INSTEAD? If the requested paper size or type is not av ailable, the printer asks if it should use another paper size or type instead. 1. Press [-V alue+] to scroll through the av ailable types and sizes. 2. Press [Select] to accept the alternate type or size . WAIT FOR PRINTER TO REINITI[...]

7-26 Troubleshooting EN T able 7-6. Numerical Printer Messages Control P anel Message Event Log Message Explanation Recommended Action 13.x PAPER JAM [LOCATION] 13.xx Paper is jammed at the specified location (and possibly at other locations). If the message persists after all jams hav e been cleared, a sensor might be stuc k or broken. F or all pa[...]

EN Troubleshooting the Printing System 7-27 13.5 PAPER JAM 13.05 P aper dela y jam at Fuser. Fo r 13.5 and 13.6 : 1. Check t he T ransf er Roller and Small Media Belt to ensure they are operating and can f eed paper . 2. Check t he paper path f or obstructions at the T ransf er Roller and T oner Car tridge, at the P aper F eed Guide, and at the Fus[...]

7-28 Troubleshooting EN 13.20 PAPER JAM 13.20 or 13.32 P aper stopped jam in the paper path. Fo r 13.20 and 13.21 : 1. Check t he entire paper path f or obstructions such as paper in the path, registration area, transf er area, paper f eed, and Fuser . 2. Check t hat all assemblies are seated and doors are closed. 3. Check all sensors and flags in [...]

EN Troubleshooting the Printing System 7-29 22 EIO x BUFFER OVERFLOW alternates with PRESS GO TO CONTINUE T oo much data w as sent to the EIO card in the specified slot ( x ). Press [Go] to clear the message. (Data will be lost.) 22 PARALLEL I/O BUFFER OVERFLOW alternates with PRESS GO TO CONTINUE T oo much data w as sent to the parallel port. This[...]

7-30 Troubleshooting EN 40 BAD SERIAL TRANSMISSION alternates with PRESS GO TO CONTINUE The printer encountered an error while transf err ing data from the computer . The error might hav e occurred f or sev eral reasons: The computer was powered on or off while the printer was online. The printer’ s serial configuration does not match that of the[...]

EN Troubleshooting the Printing System 7-31 41.3 UNEXPECTED PAPER SIZE The paper size y ou are trying to pr int is not the same as the settings f or the tra y . 1. Make sure that all tr a ys are correctly adjusted f or size .The size displa yed on the front of the paper tra y must match the size of paper loaded in the tra y . (The printer will cont[...]

7-32 Troubleshooting EN 50.x FUSER ERROR A Fuser error has occurred. X Description 1 Low Fuser temper ature. 2 Fuser warm up ser vice. 3 High Fuser temperature . 4 F aulty Fuser . 5 Inconsistent Fuser . 1. T urn the pr inter off f or a minimum of 20 min utes to clear the error . 2. Reseat the Fuser . 3. T urn the power off and remov e the Fuser . C[...]

EN Troubleshooting the Printing System 7-33 51.x PRINTER ERROR A loss of beam detect occurred. X Description 1 Beam detect error . 2 Laser error . 1. Press [Go] . The page containing the error will automatically be reprinted. 2. T urn the pr inter off and then on. 3. Reseat the cables . 4. Replace the Laser Scanner . 52.x PRINTER ERROR The Laser Sc[...]

7-34 Troubleshooting EN 53.xy.zz PRINTER ERROR There is a memor y error with an accessory . The DIMM that caused the error will not be used. Va l u e s o f x , y , and zz are as f ollows: x=DIMM type 0=ROM 1=RAM y=De vice location 0=internal memor y (ROM or RAM) 1 to 3=DIMM slots 1, 2, or 3 zz=Error number 0=Unsuppor ted memor y 1=Unrecognized memo[...]

EN Troubleshooting the Printing System 7-35 55 PRINTER ERROR alternates with PRESS GO TO CONTINUE An internal communication error occurred. 1. Press [Go] . The page containing the error will automatically be reprinted. 2. Check po wer at the site . 3. Replace the F ormatter PCA. 4. Replace the DC Controller . 56.x PRINTER ERROR alternates with CYCL[...]

7-36 Troubleshooting EN 62.x PRINTER ERROR There is a problem with the printer’ s memory . The x value ref ers to the location of the problem: 0 = Internal memor y 1 to 3 = DIMM slots 1, 2, or 3 Reseat or replace the specified DIMM. 64.x PRINTER ERROR A scan buff er error occurred. 1. T urn the printer off, then turn the pr inter on. 2. Replace F[...]

EN Troubleshooting the Printing System 7-37 68 NVRAM FULL CHECK SETTINGS An error occurred in the printer’ s nonv olatile memor y (NVRAM) and one or more printer settings has been reset to its f actory default. 1. Print a Configuration P age and chec k the printer settings to determine which values hav e changed. 2. Hold down [Cancel Job] while t[...]

7-38 Troubleshooting EN 79.xxxx PRINTER ERROR The printer detected an error . The numbers ( xxxx ) indicate the specific type of error . 1. T urn the printer off, and then turn the printer on. 2. T ry pr inting a job from a diff erent software application. If the job prints, go back to the first application and try pr inting a diff erent file . (If[...]

EN Troubleshooting the Printing System 7-39 8x.yyyy The EIO accessor y in slot x has encountered a critical error as specified by yyyy . X Description 1 EIO slot 1 - The printer detected an error with the EIO card. 2 EIO slot 2 - The printer detected an error with the EIO card. 6 EIO slot 1 - The EIO card detected an error . The EIO card ma y be de[...]

7-40 Troubleshooting EN General P aper Path T roub leshooting P aper jams occur in the pr inter when paper does not either reach or clear a photosensor along the printer’ s paper path in a specific amount of time. If a paper jam occurs , a 13.xx PAPER JAM message is displa yed on the printer’ s Control Pa nel. The f ollowing tab le contains gen[...]

EN Troubleshooting the Printing System 7-41 Is the customer loading the paper tra ys correctly? Obser ve the customer loading paper . Do not fan paper . Ref er to proper paper handling procedures in the P aper Specification Guide. Is the customer ov erfilling the paper tra ys? Ensure paper is NOT o v er the maximum fill marks in the paper tra ys . [...]

7-42 Troubleshooting EN P aper P ath T est T o perform a Paper P ath T est: 1 Press [Menu] until INFORMATION MENU appears 2 Press [Item] until PRINT PAPER PATH TEST appears. 3 Press [Select] . 4 Press [+] to cycle selections until the desired paper tra y appears. 5 Press [Select] . 6 Press [+] until the desired output bin appears (open the rear out[...]

EN Troubleshooting the Printing System 7-43 Inf ormation P ages F rom the pr inter’ s control panel you can print pages that give details about the printer and its current configuration. The f ollowing inf ormation pages are descr ibed here: ● Menu Map ● Configuration P age ● PCL or PS F ont List F or a complete list of the printer’ s inf[...]

7-44 Troubleshooting EN Figure 7-4 Menu Map[...]

EN Troubleshooting the Printing System 7-45 Configuration P age Use the Configuration P age to view current printer settings, to help troubleshoot printer problems , or to v e rify installation of optional accessories, such as memor y (DIMMs), paper tra ys , and printer languages. Note If an HP JetDirect print ser ver EIO card is installed, a JetDi[...]

7-46 Troubleshooting EN Figure 7-5 Configuration P age[...]

EN Troubleshooting the Printing System 7-47 V erify installed options Under “Installed P ersonalities” on the Configuration page, look f or options such as hard disk or DIMM types and sizes . V er ify that the options which are installed in your printer are reflected in the Configuration P age. If an installed de vice is not shown, reseat the d[...]

7-48 Troubleshooting EN Image Quality When you are w orking with customers, obtain a print sample before you begin troub leshooting their pr inter . Ask the customer to explain the quality they e xpect from the printer . The print sample will also help clarify the customer’ s e x planation. Chec k the T oner Car tridge Image f orm ation def ects [...]

EN Troubleshooting the Printing System 7-49 Use the f ollowing list to ensure that the T oner Car tr idge is still operab le. ● Ensure that the T oner Car tridge has toner . Full T oner Cartr idge weight = 1880 gr ams (66.3 oz.) Empty W eight = 1450 gr ams (51.1 oz.) ● Check the e xpiration date of the T oner Cartr idge (stamped on the car tr i[...]

7-50 Troubleshooting EN Image Defects The quality of the printer’ s output is subject to the judgment of the user . This section of the manual helps you define print quality def ects and understand what f actors aff ect print quality . The print samples shown in the f ollowing figures illustr ate some print quality def ects. K eep copies of print[...]

EN Troubleshooting the Printing System 7-51 T able 7-9. Black Lines (perpendicular path) P ossible Cause Act ion Def ectiv e T oner Car tridge. Inspect the T oner Cartr idge fo r a scratched photosensitiv e drum or toner leaking through wor n seals. Replace as necessary . Fusing Assembly is contaminated or damaged. Inspect the Fusing Assembly f or [...]

7-52 Troubleshooting EN High volt age power supply circuit is def ectiv e (not supplying the correct negative v oltage). Replace the High V oltage Po wer Supply PCA. The High V oltage P ower Supply is installed improperly . If the High V o ltage P ower Supply has been remov ed and replaced, it ma y not be seated properly . Remov e the DC Controller[...]

EN Troubleshooting the Printing System 7-53 Connectors between the Laser/Scanner unit and DC Controller are not seated properly or are def ectiv e. Inspect and reseat the connectors. Replace cab les as necessar y . T able 7-11. Blank Page P ossible Cause Act ion Software Configuration. Mak e sure the application is not sending incorrect page length[...]

7-54 Troubleshooting EN Empty or def ective T oner Cart r idge. 1. If unsure, weigh the cartr idge: • Full weight = 1880 gr ams (66.3 oz) • Empty weight = 1450 g r ams (51.5 oz) Note : Some toner ma y reside in the waste toner cavity , aff ecting the weight of the car tridge. 2. P erf or m the Half Self-T est Functional Chec k (page 7-74) or tr[...]

EN Troubleshooting the Printing System 7-55 DC Controller PCA is def ectiv e. The DC Controller supplies the proper voltage to the High V oltage Po wer Supply PCA. Replace the DC Controller PCA. No De veloping Bias . 1. Clean the High V oltage Po wer Supply contacts . With no De v eloping Bias charge, toner is not attracted to the drum. 2. Replace [...]

7-56 Troubleshooting EN Dir ty or deformed T ransf er Roller . Replace the T ransf er Roller . See also “Dropouts” on page 7-60. T able 7-13. Character V oids P ossible Cause Act ion P aper surf ace too rough. T oner migr ates to low spots , lea ving higher areas void. User paper with correct finish (smoothness) meeting HP specifications (see H[...]

EN Troubleshooting the Printing System 7-57 Bad T ransf er Roller . If the T ransf er Roller has finger oils on its surf ace, is dirty or worn out, this problem can result. Clean the T ransf er Roller using a dr y , lint-free cloth. DO NO T touch the T ransf er Roller with your fingers. If the problem persists , replace the T ransf er Roller Assemb[...]

7-58 Troubleshooting EN T able 7-15. Curl P ossible Cause Act ion P aper does not meet printer specifications or is stored improperly . 1. Print a fe w more pages to see if the problem corrects itself . 2. T urn over the stac k of paper in the tra y . Also try rotating the paper 180°. 3. Check t he paper (or other print media) type and quality . R[...]

EN Troubleshooting the Printing System 7-59 T able 7-16. Dir t on Back P ossible Cause Act ion Dir t inside printer (T ray Sep ara tio n Roller , Feed Roller , T ransf er Roller , Fuser , T oner Car tridge). 1. Print at least 10 pages to see if the problem goes away . 2. Print a cleaning page (page 4-4). Identify and clean the dir ty par t accordin[...]

7-60 Troubleshooting EN P oor connection of cables to the Laser Scanner . Reseat the cables connected to the Laser Scanner . P oor connection of cables to the DC Controller Assembly . Reseat the cables connected to the DC Controller Assembly . Def ectiv e Laser Scanner . Replace the Laser Scanner . Def ectiv e Engine Controller Board. Replace the E[...]

EN Troubleshooting the Printing System 7-61 P aper does not meet specifications. The paper moisture content, conductivity , or surf ace finish ma y not work correctly with the electrophotographic process. T ry a different paper lot (see HP LaserJet Printer F amily Paper Specifications Guide ). DC Controller def ectiv e (lo w primar y vo ltage). Rep[...]

7-62 Troubleshooting EN EconoMode is on. EconoMode sav e s toner by reducing the dot density . This ma y appear to be a print quality problem in some cases. T urn EconoMode off. P aper does not meet specifications. The moisture content, conductivity , or surf ace finish ma y not work correctly with the electrophotographic process. T ry a different [...]

EN Troubleshooting the Printing System 7-63 High V oltage Po wer Supply PCA is def ectiv e. Replace the High V oltage Po wer Supply PCA. DC Controller PCA is def ectiv e. The DC Controller supplies the proper voltage to the High V oltage Po wer Supply PCA. Replace the DC Controller PCA. T able 7-20. Gray Bac kground P ossible Cause Act ion P aper d[...]

7-64 Troubleshooting EN Wrong toner density setting. F rom the Print Quality Menu on the Control P anel, adjust the toner density setting. Make sure EconoMode is off . F aulty T oner Car tridge. Replace the T oner Car tridge. See also “Light Print, Dark Pr int, or F ade” on page 7- 65. T able 7-21. Horizontal Smudges P ossible Cause Act ion P a[...]

EN Troubleshooting the Printing System 7-65 T able 7-22. Horizontal Whi te Lines P ossible Cause Act ion Lack of toner or f aulty T oner Cart r idge. Redistribute the toner in the T oner Cartr idge. If the problem contin ues, replace the T oner Car tr idge. Dir t in the laser path. Clean the laser path. (Remove the Laser Scanner Assembly and clean [...]

7-66 Troubleshooting EN P oor contact to the Engine Controller Board. 1. Clean the contacts if they are dirty . If the problem remains after cleaning, or if par ts are damaged or def ormed, replace them. 2. Replace the Engine Controller Board if necessary . Def ectiv e Laser Scanner . Replace the Laser Scanner . Def ectiv e High V oltage Po wer Sup[...]

EN Troubleshooting the Printing System 7-67 T able 7-25. Repetitive Defects P ossible Cause Act ion T oner Cartr idge is damaged. The circumf erence of the photoconductive drum inside the toner car tridge is 94 mm (3.7 inches). If the def ect repeats at this inter val, the def ect is associated with the drum. Inspect the drum for scratches or damag[...]

7-68 Troubleshooting EN T able 7-26. Skew P ossible Cause Act ion P aper does not meet printer specifications or is stored improperly . 1. Print a fe w more pages to see if the problem corrects itself . 2. T urn over the stac k of paper in the tra y . Also try rotating the paper 180°. 3. Check t he paper (or other print media) type and quality . R[...]

EN Troubleshooting the Printing System 7-69 Wrong Fuser setting f or paper type. F rom the P aper Handling Menu on the Control P anel, change the Fuser Mode setting or choose another paper type from the printer dr iver . Fusing Assembly is def ectiv e. The print will smear if the Fusing Assembly is not heated sufficiently to bond the toner image to[...]

7-70 Troubleshooting EN P aper does not meet printer specifications or is stored improperly . 1. Print a fe w more pages to see if the problem corrects itself . 2. T urn over the stac k of paper in the tra y . Also try rotating the paper 180°. 3. Check t he paper (or other print media) type and quality . Replace the paper , and advise the customer[...]

EN Troubleshooting the Printing System 7-71 T able 7-30. V er tical Dots P ossible Cause Act ion Dir ty static eliminator teeth. Clean the static eliminator . P oor contact between the Static Eliminator and the Engine Controller Board. Clean the contacts, if dirty . If the problem remains after cleaning, or if par ts are damaged or def ormed, repla[...]

7-72 Troubleshooting EN Repetitive Defect Ruler Repetitive print def ects usually are associated with a specific roller within the printer or the T oner Car tridge. Use Figure 7-1 to isolate the cause of repetitiv e print defects . Align the first occurrence of the def ect with the top of the “ruler” (at the top or bottom of the mispr inted pag[...]

EN Troubleshooting the Printing System 7-73 Figure 7-6 Repetitive Def ect Ruler[...]

7-74 Troubleshooting EN Image System T r oubleshooting Half Self-T est Functional Check The electrophotographic process can be subdivided into the f ollo wing stages: ● Cleaning (remov es e xcess toner from dr um surface) ● Conditioning (places a unif orm electr ical charge on dr um) ● Writing (laser strikes surface of drum to create latent i[...]

EN Troubleshooting the Printing System 7-75 Drum Rotation Functional Check The photosensitiv e drum, located in the T oner Car tridge, must rotate f or the print process to work. The photosensitive drum receives its drive from the Main Drive assemb ly . T o verify whether the drum is rotating: 1 Open the top cov er . 2 Remov e the T oner Car tr idg[...]

7-76 Troubleshooting EN Interface T r oubleshooting This section provides an o v er view of the printer’ s interf ace requirements. Communications Chec k Note Communication prob lems are normally the customer’ s responsibility . Time spent attempting to resolve these prob lems ma y not be cov ered by the product’ s He wlett-P ackard warranty [...]

EN Troubleshooting the Printing System 7-77 Figure 7-7 JetDirect Configuration P age Network statistics I/O card status IP address Node name No ve ll status[...]

7-78 Troubleshooting EN JetDirect Configuration ● If the EIO JetDirect Card has successfully powe red up and completed its inter nal diagnostics, the I/O CARD READY message appears. If communication is lost, an I/O NOT READY message appears f ollow ed by a tw o digit error code. See the HP JetDirect Network Interface Configur ation Guide f or fur[...]

EN Reference Diagrams 7-79 Reference Dia g rams Locations of Components Figure 7-8 P a per P ath[...]

7-80 Troubleshooting EN Figure 7-9 250-sheet P aper Feeder[...]

EN Reference Diagrams 7-81 Figure 7-10 250-sheet P aper Feeder[...]

7-82 Troubleshooting EN Figure 7-11 T ra y 2 P aper P ath[...]

EN Reference Diagrams 7-83 Figure 7-12 500-sheet P aper Feeder[...]

7-84 Troubleshooting EN Figure 7-13 500-sheet P aper Feeder[...]

EN Reference Diagrams 7-85 Figure 7-14 Duple xing Unit[...]

7-86 Troubleshooting EN Figure 7-15 Duple xing Unit[...]

EN Reference Diagrams 7-87 Figure 7-16 Duple xing Unit[...]

7-88 Troubleshooting EN Sensors and Signals The dra wing below sho ws ke y components, sensors, and s witches that control the operation of the printer . The table on page 7-90 sho ws the name of each sensor , as well as the signal name and its destination or source. Figure 7-17 P aper Path and Components Delivery rollers Photosensitive drum Fe ed [...]

EN Reference Diagrams 7-89 Figure 7-18 P aper Path (dashed lines represent duple xer path)[...]

7-90 Troubleshooting EN T able 7-32. T able 1 Sensors and Signals Sensor Name CL405 Registration roller clutch CL406 Feed roller clutch PS301 T ray 2 paper sensor PS302 T ray 1 paper wi dth sensor PS303 Face-u p tra y open sensor PS307 Face-do wn tra y paper full sensor PS401 T ray 1 paper sensor PS402 T op of page sensor PS403 Registration roller [...]

EN Reference Diagrams 7-91 SW401 T op co v er switch SW403 T ra y 2 paper size switch 1 SW404 T ra y 2 paper size switch 2 SW405 T ra y 2 paper size switch 3 SW1601 250-she et fe eder paper size sensors SW1602 250-she et fe eder paper size sensors SW1603 250-she et fe eder paper size sensors SW1604 250-she et fe eder paper size sensors TSW1 Fuser t[...]

7-92 Troubleshooting EN Figure 7-19 Location of Sensors and Switches[...]

EN Reference Diagrams 7-93 Figure 7-20 Duple x er Sensors and Switches Re v ersing unit paper sensor Deflector drive solenoid Ref eed paper sensor Side registration guide home position sensor[...]

7-94 Troubleshooting EN Figure 7-21 Motors[...]

EN Reference Diagrams 7-95 Figure 7-22 Motors (Duple xing unit)[...]

7-96 Troubleshooting EN Figure 7-23 Connectors[...]

EN Reference Diagrams 7-97 Figure 7-24 Connectors (Duple xing Unit and 250-sheet P aper Feeder)[...]

7-98 Troubleshooting EN Figure 7-25 PCA’ s[...]

EN Reference Diagrams 7-99 Figure 7-26 PCA (Duple xing Unit)[...]

7-100 Troubleshooting EN Figure 7-27 Clutches and Solenoids[...]

EN Reference Diagrams 7-101 Figure 7-28 Clutches and Solenoids (Duple xing Unit)[...]

7-102 Troubleshooting EN Figure 7-29 Switches[...]

EN Reference Diagrams 7-103 Figure 7-30 Switches (500-sheet P aper Feeder)[...]

7-104 Troubleshooting EN Figure 7-31 DC Controller Board T est P oints and Switches[...]

EN Reference Diagrams 7-105 Figure 7-32 250-sheet P aper Feeder Sensors[...]

7-106 Troubleshooting EN[...]

EN Reference Diagrams 7-107 DC Contr oller PCA Inputs and Outputs Figure 7-33 DC Controller PCA I/O (1 of 4)[...]

7-108 Troubleshooting EN Figure 7-34 DC Controller PCA I/O (2 of 4)[...]

EN Reference Diagrams 7-109 Figure 7-35 DC Controller PCA I/O (3 of 4)[...]

7-110 Troubleshooting EN Figure 7-36 DC Controller PCA I/O (4 of 4)[...]

EN Overview 8-1 8 P ar ts and Diag r ams Overview The figures in this chapter identify and locate the printer’ s major subassemblies and replacement par ts. This chapter discusses the f ollowing: ● How to Use the P ar ts Lists and Diag rams ● Accessories and Supplies ● Illustrations and P ar t s Lists[...]

8-2 Parts and Diagrams EN How T o Use the P ar ts Lists and Diagrams The figures in this chapter illustrate the major subassemb lies in the printer and their component par ts . A tab le accompanies each e xploded view diag ram. Each tab le lists the item number f or the replaceable part, the associated par t nu mber f or the item, the quantity , an[...]

EN How To Use the Parts Lists and Diagrams 8-3 Contact your local HP P ar ts Coordinator for other local phone numbers . Note P ar ts that ha v e no item number or par t number listed are not field replacement par ts and cannot be ordered.[...]

8-4 Parts and Diagrams EN Accessories and Supplies The f ollowing items are a vailable through y our local author ized HP dealer . T o find a dealer near y ou, call the HP Customer Inf ormation Center (800) 752-0900. Note See page 2-4 f or documentation product numbers . T able 8-1. Accessories and Supplies Description P art No. Exchange No. Produc[...]

EN Accessories and Supplies 8-5 Serial Cables 9-9 pin serial cable (male/f emale) 9-25 pin serial cable (male/f emale) C2932A C2933A Serial Adapter 25-9 pin adapter (male/f emale) C2809A Macintosh Computer Serial Cable 92215S Macintosh Network Cable Kit 92215N Enhanced I/O Cards Ethernet RJ-45 only Ethernet RJ-45 and BNC, Local T alk T ok en Ring R[...]

8-6 Parts and Diagrams EN Common Har dware and Replacement Cab les T able 8-2. Screws Used in the Printer Description P art No. Screw , M4x10 P an Head T apping XB4-7401-007CN Screw , M4x8 T r uss Head T apping XB4-7400-807CN Screw , M3x6 TP XA9-0267-000CN Screw , M4x16 W/W asher XA9-0838-000CN Screw , M4x6 W/W asher XA9-0265-000CN Screw , M3x4 TP [...]

EN Illustrations and Parts Lists 8-7 Illustrations and P ar ts Lists Upper Delivery Roller Assembly P aper F eed Belt Assembly P aper Feed Roller Assembly DC Controller Assembly Printer Drive Assembly Pic kup Drive Assembly[...]

8-8 Parts and Diagrams EN Figure 8-1 Assembly Location Diag ram Fuser Registration Roller Assemb ly P aper T ra y P a per Pickup Roller Assembly T oner Car tridge T able 8-4. Assemblies Listed Alphabetically and Their P ar t Numbers Description P art No. Exchange No. Exploded View in Figure DC Controller with Ribbon Cab le RG5-3517-000CN RH2-5337-0[...]

EN Illustrations and Parts Lists 8-9 P aper F e ed Roller Assembly RG5-3522-000CN Figure 8-11 P aper F eed Belt RG5-3526-000CN Figure 8-10 Registration Roller Assembly RG5-3524-000CN Figure 8-12 T able 8-4. Assemblies Listed Alphabetically and Their P ar t Numbers (continued) Description P art No. Exchange No. Exploded View in Figure[...]

8-10 Parts and Diagrams EN Figure 8-2 Extern al Cov ers and Panels 4 1 2 5 3 7 6 A B C D F E G H I 8 A B C 6 9 10 T able 8-5. External Cover s and P anels Item No. Part No. Quantity Description 1 RG5-3547-000CN 1 F ront Inner Co v er Assembly 1A RB1-6134-000CN 1 T ray 1 Sensor Arm 1B RB1-6136-000CN 1 T ray 1 Sensor Arm Spring[...]

EN Illustrations and Parts Lists 8-11 1C RB2-1772-000CN 1 T r a y 1 Leaf Spring 2 RG5-3548-000CN 1 T ra y 1 Paper Guide 3 RG5-3549-000CN 1 F ront Co ver A ssembly 4 RG5-3550-000CN 1 Left Side Cov e r Assembly 5 RG5-3551-000CN 1 Rear Cov er Assembly 5A RG5-3552-000CN 1 F ace Up T ra y Assembly 5B RB2-1970-000CN 1 P aper Guide 5C RB2-1975-000CN 1 Rig[...]

8-12 Parts and Diagrams EN Figure 8-3 Upper Cov er Assembly 3 1 2 4 5 T able 8-6. T op Cover Assembly Item No. Part No. Quantity Description 1 RG5-3604-000CN 1 Control P anel Assembly 2 C4110-40004 1 Control P anel Overla y (English)[...]

EN Illustrations and Parts Lists 8-13 3 RG5-3556-000CN 1 T oner Cartr idge Door Assembly 4 RB2-1759-000CN 1 Control P anel Leaf Spring 5 RB2-1906-000CN 1 Cleaning Brush T able 8-6. T op Cover Assembly (contin ued) Item No. Part No. Quantity Description[...]

8-14 Parts and Diagrams EN Figure 8-4 Internal Components (1 of 4) Cables are listed in T able 8-3 on page 8-6. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Screws: M4x10, T apping, Pan Head unless otherwise indicated 23 24 25 26 T able 8-7. Internal Components (1 of 4) Item No. Part No. Quantity Description 1 RG5-3520-000CN 1 T ra y 1 [...]

EN Illustrations and Parts Lists 8-15 2 RG5-3553-000CN 1 Rear Door Sensor Assembly 3 RG5-3585-000CN 1 T ra y 1 Separation Pad with Spring 4 RH7-5195-000CN 1 Paper Pic k Up Solenoid 5 WS6-5092-000CN 1 P ower Connector 6 RB2-1782-000CN 1 P aper Sensor Le v er 7 RB2-1784-000CN 1 P aper Sensor Le v er Spring 8 RB2-1781-000CN 1 P aper Sensor Le v er 9 R[...]

8-16 Parts and Diagrams EN Figure 8-5 Internal Components (2 of 4) 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Screws M4x10, T apping, P an Head unless otherwise noted 24 3 12 13 1[...]

EN Illustrations and Parts Lists 8-17 T able 8-8. Internal Components (2 of 4) Item No. Part No. Quantity Description 1 RS5-1392-000CN 2 T ra y 1 and 2 Pickup Shaft Left Bushing 2 RS5-0695-000CN 1 T ra y 2 Shaft Gear 3 RS5-2434-000CN 1 Spr ing 4 RB1-2190-000CN 1 T ra y 2 Hook 5 RF5-2397-000CN 1 T r a y 2 Rail Left 6 RF5-2398-000CN 1 T r a y 2 Rail [...]

8-18 Parts and Diagrams EN Figure 8-6 Internal Components (3 of 4) 1 2 5 6 7 8 9 3 4 10[...]

EN Illustrations and Parts Lists 8-19 T able 8-9. Internal Components (3 of 4) Item No. Part No. Quantity Description 1 RG5-3525-000CN 1 T ransf er Guide Assembly 2 RB2-1996-000CN 4 F ace Down Guide Roller 3 RB2-1997-000CN 4 Roller Holder 4 RS5-2225-020CN 4 Roller Spring 5 RB1-6251-000CN 4 Low er Delivery Roller 6 RB1-6252-000CN 4 Low er Delivery R[...]

8-20 Parts and Diagrams EN Figure 8-7 Internal Components (4 of 4) 1 2 3 4 5[...]

EN Illustrations and Parts Lists 8-21 T able 8-10. Internal Components (4 of 4) Item No. Part No. Quantity Description 1 RG5-3579-000CN 1 T ransf er Roller Assembly 2 RG5-3603-000CN 1 Laser Scanner Assembly 3 RG5-3562-000CN 1 Cable (Scanner) 4 RG5-3561-000CN 1 Cable (Fuser A C) 5 XA9-0838-000CN 4 Screw with washer m4x16[...]

8-22 Parts and Diagrams EN Figure 8-8 Upper Deliv er y Assembly T able 8-11. Upper Delivery Assembly Item No. Part No. Quantity Description 1 RG5-3542-000CN 1 Upper Delivery Assembly 2 RB2-1980-000CN 1 F ace Down Bin Full Sensor Le ve r 3 RB2-1986-000CN 1 Right Bushing 4 RB2-1987-000CN 1 Left Bushing 5 RB2-1984-000CN 1 Delivery Roller 6 RS6-0357-00[...]

EN Illustrations and Parts Lists 8-23 Figure 8-9 T ra y 2 P aper Pic kup Roller Assemb ly 1 2 3 4 5 6 7 8 9 T able 8-12. T ray 2 P aper Pickup Roller Assemb ly Item No. Part No. Quantity Description 1 RG5-3521-000CN 1 Paper Pic k Up Roller Assemb ly (T ra y 2) 2 RB2-1821-000CN 1 Pic kup Roller 250-sheet T r a ys 3 RB2-1802-000CN 1 Left Roller Cam 4[...]

8-24 Parts and Diagrams EN Figure 8-10 P a per F eed Belt Assembly 1 2 3 4 5 6 7 8 9 10 11 12[...]

EN Illustrations and Parts Lists 8-25 T able 8-13. Paper Feed Belt Assemb ly Item No. Part No. Quantity Description 1 RG5-3526-000CN 1 P aper F eed Belt Assembly 2 RB2-1888-000CN 2 Small P aper F e ed Belts 3 RB2-1887-000CN 1 Large Feed Belt 4 RB2-1886-000CN 1 P aper F eed Shaft 5 RB1-6192-000CN 1 P aper F eed Shaft 6 RB1-6195-000CN 2 P aper F eed [...]

8-26 Parts and Diagrams EN Figure 8-11 P aper Feed Assembly 1 2 3 4 5[...]

EN Illustrations and Parts Lists 8-27 T able 8-14. Paper Feed Assemb ly Item No. Part No. Quantity Description 1 RG5-3522-000CN 1 P aper F eed Roller Assembly 2 RB2-1807-000CN 1 Sensor Flag Le v er 3 RB2-1808-000CN 1 Sensor Flag Spring 4 RG5-3523-000CN 1 Sensor Cable 5 WG8-5362-000CN 1 Photo Sensor[...]

8-28 Parts and Diagrams EN Figure 8-12 Registration Roller Assemb ly 1[...]

EN Illustrations and Parts Lists 8-29 T able 8-15. Registration Roller Assembly Item No. Part No. Quantity Description 1 RG5-3524-000CN 1 Registration Roller Assemb ly[...]

8-30 Parts and Diagrams EN Figure 8-13 250-sheet T ray 1 2 3 5 4[...]

EN Illustrations and Parts Lists 8-31 T able 8-16. 250-sheet T ray Item No. Part No. Quantity Description 1 C4116A 1 250-sheet Universal P aper T ra y 2 RB2-2037-000CN 1 T ra y Cover 3 RB2-2020-000CN 1 T ra y Extension 4 RB2-2042-000CN 2 Universal T ra y Extension Lock 5 RF5-3585-000CN 1 Separation P ad/Spr ing[...]

8-32 Parts and Diagrams EN Figure 8-14 Main Drive Assemb ly 1 2 3 4[...]

EN Illustrations and Parts Lists 8-33 T able 8-17. Main Drive Assembly Item No. Part No. Quantity Description 1 RG5-3543-000CN 1 Main Gear Assembly 2 RB2-1856-000CN 1 T oner Cartr idge Engagement Arm 3 RH7-1356-000CN 1 Main Motor 4 XA9-0267-000CN 3 Screw , TP , M3x6[...]

8-34 Parts and Diagrams EN Figure 8-15 Pick up Drive Assemb ly 1 2 3 T able 8-18. Pickup Drive Assemb ly Item No. Part No. Quantity Description 1 RG5-3544-000CN 1 Pick up Gear Assembly 2 RH7-5193-000CN 1 Pickup Solenoid 3 XA9-0815-000CN 1 Screw , TP , M3x4[...]

EN Illustrations and Parts Lists 8-35 Figure 8-16 PCA Assembly Locations 1 2 3 T able 8-19. PCA Assembly Locations Item No. Part No. Quantity Description 1 RG5-3560-000CN 1 P aper Handling PCA 2 RG5-3517-000CN 1 DC Controller 3 RH3-2195-000CN 1 P ower Supply (100 - 120 V) 3 RH3-2196-000CN 1 P ower Supply (220 - 240 V)[...]

8-36 Parts and Diagrams EN Figure 8-17 Printer Controller Assembly 1 2 3 T able 8-20. Printer Controller Assembl y Item No. Part No. Quantity Description 1 RH2-5337-000CN 1 Flat Cable 2 RB2-1790-000CN 1 Sensor Mount (Rear of Controller Pa n ) 3 RB2-1791-000CN 1 Sensor Le v er[...]

EN Illustrations and Parts Lists 8-37 Figure 8-18 Fuser 1 T able 8-21. Fuser Item No. Part No. Quantity Description 1 RG5-3528-000CN 1 Fuser (100 - 120 V) 1 RG5-3529-000CN 1 Fuser (220 - 240 V)[...]

8-38 Parts and Diagrams EN Figure 8-19 500-sheet F eeder 10 8 11 7 6 5 1 2 3 13 9 4 11 12 12[...]

EN Illustrations and Parts Lists 8-39 T able 8-22. 500-sheet Feeder Item No. Part No. Quantity Description 1 RB2-3211-000CN 1 Right Mount 2 RB2-3235-000CN 1 F ront Cov er 3 RB2-3236-000CN 1 Right Auxiliary Cov er 4 RB2-3237-000CN 1 Left A uxiliar y Cov er 5 RB2-3238-000CN 1 Right Cov er 6 RB2-3239-000CN 1 Left Cov er 7 RB2-3284-000CN 1 Leaf Spring [...]

8-40 Parts and Diagrams EN Figure 8-20 500-sheet F eeder 9 5 8 2 1 3 7 4 6[...]

EN Illustrations and Parts Lists 8-41 T able 8-23. 500-sheet Feeder Item No. Part No. Quantity Description 1 RG5-4213-000CN 1 Upper Contact Cable 2 RG5-4211-000CN 1 F eeder Controller PCA Assembly 3 XB4-7300-807CN 2 M3x8 Screw , T apping, T russ Head 4 RF5-2633-000CN 1 T ra y Sensor Assembly 5 RF5-2634-000CN 1 Feed Roller 6 RB1-8877-000CN 1 Joint 7[...]

8-42 Parts and Diagrams EN Alphabetical P ar ts List Description P art Number T able Number and Pa ge 250-sheet Univ ersal P aper T ray C4116A T able 8-16 on page 8-31 Cable (Fuser A C) RG5-3561-000CN T able 8-10 on page 8-21 Cable (Scanner) RG5-3562-000CN T able 8-10 on page 8-21 Cable , Displa y , Accessor y P ower , Photo Sensor RG5-3557-000CN F[...]

EN Illustrations and Parts Lists 8-43 F eeder Controller PCA Assembly , 500-sheet F eeder RG5-4211-000CN T able 8-23 on page 8-41 Flat Cable RH2-5337-000CN T ab le 8-20 on page 8-36 F ormatter Assembly C3974-69001 F ront Co v er , 500-sheet Feeder RB2-3235-000CN T able 8-22 on page 8-39 F ront Co v er Assembly RG5-3549-000CN T able 8-5 on page 8-10[...]

8-44 Parts and Diagrams EN Lower Deliv er y Roller Spr ing RB1-6252-000CN T ab le 8-9 on page 8-19 Lower Deliv er y Shaft Gear RS6-0357-000CN T able 8-7 on page 8-14 M3x6 Screw , Mach., T russ Head XB1-2300-607CN T ab le 8-8 on page 8-17 M3x8 Screw , T apping, T russ Head XB4-7300-807CN T ab le 8-23 on page 8-41 Main Gear Assembly RG5-3543-000CN T [...]

EN Illustrations and Parts Lists 8-45 Rear Door Sensor Assembly RG5-3553-000CN T ab le 8-7 on page 8-14 Registration Roller Assembly RG5-3524-000CN T able 8-15 on page 8-29 Return Cover , 500-sheet F eeder RB2-3262-000CN Figure 6-70 on page 6-81 Right A uxiliar y Cov er , 500-sheet Feeder RB2-3236-000CN T able 8-22 on page 8-39 Right Bushing RB2-19[...]

8-46 Parts and Diagrams EN Static Charge Eliminator RB2-1981-000CN T able 8-11 on page 8-22 Switch Rod RB2-1731-000CN T able 8-8 on page 8-17 T ension Spring, 500-sheet F eeder RF5-2632-000CN T able 8-23 on page 8-41 T oner Car tridge Door Assembly RG5-3556-000CN T able 8-6 on page 8-12 T oner Car tridge Engagement Ar m RB2-1856-000CN T ab le 8-17 [...]

EN Illustrations and Parts Lists 8-47 Numerical P ar ts List P art Number Description T able Number and P age C3974-69001 Formatter Assembly C4116A 250-sheet Universal P aper T ra y T able 8-16 on page 8-31 C4110-40004 Control P anel Ov erlay (English) T ab le 8-6 on page 8-12 RB1-2190-000CN T ra y 2 Hook T able 8-8 on page 8-17 RB1-6130-000CN T ra[...]

8-48 Parts and Diagrams EN RB2-1781-000CN P aper Sensor Le v er T ab le 8-7 on page 8-14 RB2-1782-000CN P aper Sensor Le v er T ab le 8-7 on page 8-14 RB2-1783-000CN P aper Sensor Le v er Spring T able 8-7 on page 8-14 RB2-1784-000CN P aper Sensor Le v er Spring T able 8-7 on page 8-14 RB2-1790-000CN Sensor Mount (Rear of Controller P an) T ab le 8[...]

EN Illustrations and Parts Lists 8-49 RB2-1989-000CN Left Bushing Lower Deliv er y Roller T ab le 8-7 on page 8-14 RB2-1990-000CN Grounding Plate T able 8-7 on page 8-14 RB2-1991-000CN Right Latch Block T able 8-5 on page 8-10 RB2-1992-000CN Left Latch Block T ab le 8-5 on page 8-10 RB2-1996-000CN F ace Down Guide Roller T ab le 8-9 on page 8-19 RB[...]

8-50 Parts and Diagrams EN RG5-3519-000CN T ra y 1 Pickup Roller Assemb ly T ab le 8-8 on page 8-17 RG5-3520-000CN T ra y 1 Paper Guide Plate Assemb ly T able 8-7 on page 8-14 RG5-3521-000CN P aper Pic kup Roller Assemb ly (T ray 2) T ab le 8-12 on page 8-23 RG5-3522-000CN P aper F eed Roller Assemb ly T able 8-14 on page 8-27 RG5-3523-000CN Sensor[...]

EN Illustrations and Parts Lists 8-51 RH2-5338-000CN Cable , Ribbon, from P aper PCA to Controller Figure 8-4 on page 8-14 RH3-2195-000CN P ower Supply (100 - 120 V) T ab le 8-19 on page 8-35 RH3-2196-000CN P ower Supply (220 - 240 V) T ab le 8-19 on page 8-35 RH7-1354-000CN F an T able 8-8 on page 8-17 RH7-1356-000CN Main Motor T ab le 8-17 on pag[...]

8-52 Parts and Diagrams EN[...]

EN Index 1 Inde x Numerics 500-sheet Feeder PCA, r emoving and replacing 6- 81 500-sheet Tray, disassembly 6-74 A AC/DC power distribution 5-3 accessories 8-4 assemblies, removing and re placin g 6-27 C cables, replacement 8-6 card stock 1-20 CFC usage 1-26 cleaning accessories 4-2 paper path 4-4 printer 4-2 spilled toner 4-4 using cleaning page 4-[...]

Index 2 EN H heavy paper 1-20 I I/O menu 3-24 image developing 5 -25 transferring 5-26 writing 5-24 Image Formation System 5-18 photosensitiv e drum 5-21 image quality 7-49 Information menu 3-6 input/output 5-14 L labels 1-18 laser drive 5-8 Laser Scanner Assembly, remo ving and replacing 6-70 Left Corner Cover, removing and replacin g 6-26 Left Fr[...]

EN Index 3 Print Quality menu 3-10 printer features 1-2 messages 7-16 model numbers 1-5 serial numbers 1-5 subsystems 5-2 testing 3-35 weight 1-9 printing engine test 3-35 interface 7-77 operating checks 7-6 Optional 250-sheet Tra y 5-35 Optional 500-sheet Tra y 5-35 Tray 1 5-31 Tray 2 5-33 Printing menu 3-13 Product Stewardship, p ower consumption[...]

Index 4 EN Tray Indicator Assemb ly, re moving an d r eplacin g 6- 76 troubleshooting 7-1 configuration page 7-46 display 7-11 engine test 7-9 Event Log 7-12 flowchart 7-4 general paper pa th 7-41 image quality 7-49 image system 7-75 information pages 7-44 interface 7-77 menu map 7-44 power on 7-7 preliminary operating checks 7-6 printer messages 7[...]