HP LaserJet 5100 manual

ser v ice hp L as erJet 5100 5100tn 5100dtn 5100L e www.GovTechMedia.com[...]

www.GovTechMedia.com[...]

hp LaserJet 5100 ser ies pr inters service ____________________ www.GovTechMedia.com[...]

Hewlett-P ackard Compan y 11311 Chinden Boulev ard Boise, Idaho 83714 U .S.A. © Copyright Hewlett - Pac kard Company 2002 All Rights Reserved. Reproduction, adaptation, or translation without prior wr itten permission is prohibited, except as allowed under the cop yr ight laws. Publication number Q1860-90918 First Edition, May 2002 Wa rr a n t y T[...]

Contents 3 Contents 1 Printer description Printer featu res . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Printer inform ation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Identificat[...]

4 Q1860-90918 3 Printer operation Using the co ntrol panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Control pane l layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Control pane l lights . . . . . .[...]

Q1860-90918 5 5 Functional information Printer subsys tems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Power supp ly system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Ac/dc power distributi[...]

6 Q1860-90918 6 Removing and replacing parts User-installab le accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 Checking me mory installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 09 Installing EIO cards or mass-s[...]

Q1860-90918 7 Optional 2 50-sheet feede r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Pickup roller . . . . . . . . . . . . . . . . . . . . .[...]

8 Q1860-90918 www.GovTechMedia.com[...]

Contents 9 Figures Figure 1. Sample identif ication labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 2. Printer dimension s — HP LaserJet 51 00 printer an d HP La serJet 5100Le printer . . . . 21 Figure 3. Printer dimension s — HP LaserJet 51 00tn printe r an d HP LaserJet 5100dtn printe[...]

10 Q1860-90918 Figure 53. Tray 1 inner co ver removal (2 of 2, front of printer) . . . . . . . . . . . . . . . . . . . . . . . . . . 125 Figure 54. Corner cover s removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 Figure 55. Internal asse mblies . . . . . . . . . . . . . . . . . . . . . . . .[...]

Q1860-90918 11 Figure 112. Paper-size spring assembly r emoval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Figure 113. 500-shee t feeder remov al (2 of 2, top v iew with cover s removed) . . . . . . . . . . . . . . 175 Figure 114. Tray indica tor assembly rem oval . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

12 Q1860-90918 Figure 171. Paper feed r oller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 75 Figure 172. Registration ro ller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276 Figure 173. 250-sheet u niversal tray . . . . . . . . . . . . . . . [...]

Contents 13 T ab les Table 1. Printer featu res . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 2. Compariso n of HP LaserJet 5100 Series pr inters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Table 3. Power requ irements . . . . . . . . . . . . . . . . . . . . . . .[...]

14 Q1860-90918 Table 53. White lines (o pposite to the paper-path di rection) . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 Table 54. HP Jetdirect c onfiguration pa ge categories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 Table 55. Sensors, switc hes, clutches, a nd solenoids . . . . . . . . . . . . . . . . . . [...]

Q1860-90918 Chapter 1 Printer description 15 1 Pr inter descr iption Overview Printer featu res . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Printer inform ation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

16 Printer description Q1860-90918 Printer features T able 1. Pr in ter features Speed 22 pages per minute (ppm) f or A4-sized paper , or 21 ppm for letter-sized paper 300 MHz microprocessor First page out = 13 seconds Resolution HP ProRes 1200, a 1200-by-1200 dots-per-inch (dpi ), HP F astRes 1200 and 600 dpi with Resoluti on Enhancement T echnolo[...]

Q1860-90918 Chapter 1 Printer description 17 Printer inf o rmation The pr in te r is av ailable in f our con fig uratio ns, as descr ibed here. HP LaserJet 5100 printer The HP LaserJet 5100 printer (prod uct numb er: Q1860A) is a 22 pages per minute (ppm) laser printer that comes st andard with a 100-sheet m ultipur pose T ra y 1, a 250-sheet T ra [...]

18 Printer description Q1860-90918 T able 2. Compari son of HP LaserJet 5100 Series printe rs HP LaserJet 510 0 (Q1860A) HP LaserJet 5100tn (Q1861A) HP Laser Jet 5100dtn (Q1862A) HP LaserJet 51 00 LE (Q1863A) Ether net 10-T/ 10 -2 optional standard standard not a vailable Input bins (standard/ maximum 2/4 3/4 3/4 2 /2 Standard RAM 16 MB inter nal 3[...]

Q1860-90918 Chapter 1 Printer description 19 Identification Model and serial number s The model and serial number s ar e listed on identification labels that are located inside th e top cov er . The serial number is al phanumeric, su ch as USB0000146 f or the HP LaserJet 5100 series printer . The ser ial number contains infor mation about the origi[...]

20 Printer description Q1860-90918 Site requirements En vir onmental and power requirements The f ollo wing en vironmental specifications m ust be maintained to ensure the proper ope ration of the printer . Consider the f ollowing points before installing the printer : Install the printer in a well-ventilated, dust-free area. Install the printer on[...]

Q1860-90918 Chapter 1 Printer description 21 Space requirements Figure 2. Printer dimensions—HP LaserJet 5 100 printer and HP LaserJet 5100Le printer 30.3 cm (11.9 in) 62.5 cm (24.6 in) 47.0 cm ( 18.5 in) 27.0 cm (1 0.6 in) 47.0 cm (1 8. 5 in) 11.0 c m (4.3 in) 47.5 cm (18.7 in) 47.3 cm (18.6 in) 139.8 cm (55 in) www.GovTechMedia.com[...]

22 Printer description Q1860-90918 Figure 3. Printer dimensions — HP Laser Jet 5100tn printer and HP LaserJet 5100d tn printer 62.5 cm (24.6 in) 15.5 cm (6 .1 in) 62.0 cm (24.4 in) 47.0 cm (18.5 in) 30.3 cm (11.9 in) 27.0 cm (10.6 in) 139.8 cm (55 in) www.GovTechMedia.com[...]

Q1860-90918 Chapter 1 Printer description 23 Figure 4. Printer dimensions , HP LaserJet 5100 series pri nter with accessories Printer weight (without toner car tridg e) HP LaserJet 5100 printer: 23 kg (50 lb) HP LaserJet 5100tn p r inter with optional 500- sheet feed er : 34 kg (75 lb) HP LaserJet 5100dtn pr inter with duple x er and optional 500-s[...]

24 Printer description Q1860-90918 En vironmental requirements *Maximum v alues are based on the HP LaserJet 5100dtn printer. T able 4. En vir onmental specification s Item Operating Stora g e T emperature 10 ° to 32 ° C (50 ° to 91 ° F) -20 ° to 60 ° C (-4 ° to 140 ° F) Relative humidity (RH) 20 to 80 percen t RH (w it h no condensation) 1[...]

Q1860-90918 Chapter 1 Printer description 25 P aper specifications The f ollowing tab les show pap er specifications f or the printer . T able 6. P a per specifications , T ray 1 Supported paper Dimensions 1 1. The printer supports a wide range of paper sizes. Check the p rinter software for supported sizes. To print custom-size paper see the user [...]

26 Printer description Q1860-90918 Suppor ted types of paper The printer supports a wide variety of media, su ch as: T able 8. P aper specificat ions, 500-shee t feeder Supported paper Dimensions 1 1. The printer supports a wide range of media sizes. Check the printer software for supported sizes. W eight Capacity 2 2. Capacity may vary depending o[...]

Q1860-90918 Chapter 1 Printer description 27 Guidelines f or using paper F or best results, use con ventional 75-g/m 2 ( 20-lb) paper . Make sure the paper is of good quality and free of cuts , nicks , tears, spots , loose par ticles, dust, wrinkles , voids , and curled or bent edges. Some paper causes print-quality prob lems, jamming, or damage t [...]

28 Printer description Q1860-90918 P aper weight equivalence table Use this tab le to deter mine appro ximate equiv alent points in weight specificatio ns other than U .S. bond w eight. F or e xample, to det er mine the equiv alent of 20-lb U .S. bond -weight paper in U .S. co ver weig ht, locate th e b ond weight (in row 3, second column) a nd sca[...]

Q1860-90918 Chapter 1 Printer description 29 Labels CA UTION T o av oid damaging the printer , use only labels that are recommended f or use in laser printers. If you hav e problems prin tin g lab els, use T ra y 1 and open the rea r outp u t bin. Ne ver print on the same sh eet of labels more than once . When selecting labels , consider the qu ali[...]

30 Printer description Q1860-90918 En velopes that have double side seams Double -side-seam construction has v er tical seams at both ends of the en velope rat her than diagonal seams . This style can be more likely to wrinkle. Be sure that th e seam e xtends all the wa y to the cor ner of the env e lope as illustrated below . Figure 5. Envelopes w[...]

Q1860-90918 Chapter 1 Printer description 31 Car d stoc k and heavy paper Many type s of card stoc k can be printed from T ra y 1, including ind e x cards and post cards . Some card stoc k performs better than other s be cause its construction is better suited f or f eeding through a laser printer . F or optimum printer perf or mance, do not use pa[...]

32 Printer description Q1860-90918 Safety inf ormation Laser safety statement The Center f or De vices and Radiological Health (CDRH) of the U.S . Food and Drug Administrat ion has implement ed regulatio ns f or laser products man u factured since A ugust 1, 1976. Compliance is mandato r y for products mark eted in the United States. The printer is[...]

Q1860-90918 Chapter 1 Printer description 33 Laser statement f or Finland Luokan 1 laserlaite Klass 1 Laser Apparat HP LaserJet 5000, 5000 N, 5 000 GN -laser kirjoitin on k ä ytt ä j ä n kannalta tur vallinen luokan 1 laserlaite. Nor maalissa k ä yt ö ss ä kirjoittimen s uojakotelointi est ää lasers ä teen p ää syn laitteen ulkopuolelle [...]

34 Printer description Q1860-90918 En vir onmental product ste wardship Protecting the en vir onment Hewle t t-P ac kard Company is comm itted to providing quality pr oducts in an en vironmentally- sound manner . The printer has been designe d to minimiz e impacts on the environment. The printer design eliminates: Ozone pr oduction The printer does[...]

Q1860-90918 Chapter 2 Service approach 35 2 Ser vice approach Overview Regulatory information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Service app roach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6 Par[...]

36 Service approach Q1860-90918 Regulatory information F or regulator y inf or mation and requirements , FCC regulations, and decla ration of conf ormity , please see the star t guide. F or environmental prod uct stew ardship progr am information, please see the use guide. Service approac h Repair of the printer normally begins with a three-step pr[...]

Q1860-90918 Chapter 2 Service approach 37 Service and suppor t W orld Wide Web Print drivers , updated HP MFP firmware , and product and suppor t inf or mation can be obtained from the f ollowin g URLs: U .S., http://www .hp.com/suppor t/lj5100 Europe, http://www .hp .com/support/lj5100 China, ftp: //www .hp .co m.cn/suppor t/ lj5100 Japan, ftp://w[...]

38 Service approach Q1860-90918 W orldwide service and support offices F or the U .S . , call (1) (208) 323-2551 Monda y through F riday from 6 A . M . to 6 P . M ., Mountain time. F or Canada, call (1) (905) 206-4 663 or (1) (800) 387-3867 Mo nday throu gh Frida y from 8 A . M . to 8 P . M ., M ountain time. F or customers outside of Nor th Americ[...]

Q1860-90918 Chapter 2 Service approach 39 Asia-P acific countr ies/regions Latin Amer ica A u stralia: (03) 8877 8000 China: +86 (0)10 6564 5959 Hong K ong SAR: +85 (2) 2802 4098 India: +91 11 682 6035 Indonesia: +62 (21) 350-3 408 Japan: +81 3 3335-8333 Republic of K orea Seoul: +82 (2) 3270-0700 Outside Seoul: 080 999-0700 Mala ysia: +60 (3) 295 [...]

40 Service approach Q1860-90918 www.GovTechMedia.com[...]

Q1860-90918 Chapter 3 Printer opera tion 41 3 Pr inter operation Overview Using the co ntrol panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Control pa nel layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Contr[...]

42 Printer operat ion Q1860-90918 Using the contr ol panel Contr ol panel lay out The printer ’ s control panel consists of th e f ollowing comp onents: Figure 6. Control panel layout Contr ol panel lights Ready Data Atte ntion Go Cancel Job Menu Item - V a lue + Select Two-line display READY T able 12. Interpreting contr ol panel lights Light In[...]

Q1860-90918 Chapter 3 Printer opera tion 43 Contr ol panel keys Press the control panel k eys to perf orm the functions shown in tab le 13. T able 13. Cont rol panel keys Ke y Function [Go] Places the printer either onli n e or o ffl ine . Prints any data that resides in the pr inter ’ s buffer . Allows th e printer to re sum e pr inting afte r b[...]

44 Printer operat ion Q1860-90918 Settings and defaults The printer mak e s most printing decisions based on either t emp orar y settings or permanent def aults. Note Settings that are sent from software ap plications o verride printer def aults. Setting the displa y language 1 Press and hold [S ELECT ] while tur ning on the printer . Hold [S ELECT[...]

Q1860-90918 Chapter 3 Printer opera tion 45 Contr ol panel menus Press [M ENU ] f or access to all control panel men us. When additional tr ays or ot her accessor ies are installed in the printer , ne w menu it ems aut omatically appear . T o change a contr ol panel setting: 1 Press [M ENU ] u ntil the menu y ou want a ppears. 2 Press [I TEM ] un t[...]

46 Printer operat ion Q1860-90918 Priv ate/stored jobs menu This menu pro vides a list of the privat e, stor ed, quick-cop y , and proof-an d-hold jobs on the printe r ’ s hard disk or in RAM mem ory . The user can send the command from the control panel t o print or delete these jobs. Note If no pr ivate , store d, quick-cop y , or proo f-and-ho[...]

Q1860-90918 Chapter 3 Printer opera tion 47 Inf ormation menu This menu cont ains pr inter inf or mation pages th at giv e details about the printer an d its configurat ion. T o print an inf or mation page , scroll to the page y o u want and press [S ELECT ] . T able 16. Information menu Item Explanati on PRINT MENU MAP The menu map shows the la yo[...]

48 Printer operat ion Q1860-90918 P aper-handling men u When paper-handling settings are cor rectly configured through the control panel, y ou can print by choosing the type and size of paper from the printer driver or softw are application. Some items in this men u (such as duple x and manual f eed) can be opened from a sof tware application, or f[...]

Q1860-90918 Chapter 3 Printer opera tion 49 [TYPE]= NORMAL NORMAL LOW HIGH VELLUM This item appears only when CONFIGURE FUSER MODE MENU=YES . Most paper types are set to NORMAL b y default. ROUGH=HIGH VELLUM=VELLUM F or a complete list of suppor ted paper types, see page 26. T able 17. P aper-handling men u Item/defaul t V alues Ex planation www.Go[...]

50 Printer operat ion Q1860-90918 Print-quality menu Some items in this me nu can be ope ned fro m a soft w are application, or fr om the printer driv er (if the appropriate driv er is installed). Printer-driv er and softwar e application sett ings ov err ide control panel settings . T able 18. Print- qua lity menu Item V alues Explana tion RESOLUT[...]

Q1860-90918 Chapter 3 Printer opera tion 51 Printing men u Some items in this m enu can b e opened from a sof tw ar e appli cation, or f rom the printer drive r (if the appropriate driv er is installed). Printer-drive r and software application settin gs ov erride control panel se ttings. T able 19. Pri n tin g menu Item V alues Ex planation COPIES[...]

52 Printer operat ion Q1860-90918 PCL FONT SOURCE=INTERNAL INTERNAL SOFT SLOT 1, 2, or 3 INTERNAL : Internal fonts. SOFT : P er manent soft f onts. SLOT 1, 2, or 3 : F onts store d in one of the three DIMM slots. PCL FONT NUMBER=0 0 to 999 The printer assigns a number to each font and lists the numbers on the PCL Font List. The font number appears [...]

Q1860-90918 Chapter 3 Printer opera tion 53 Configuration menu Items in this men u affe ct the pr inter ’ s beha vior . Configure the printer according to y our printing needs. T able 20. Co nf ig u r at io n menu Item V alues Ex planation POWERSAVE= 30 MINUTES 15 MINUTES 30 MINUTES 1 HOUR 2 HOURS 3 HOURS Set the printer to change to P owerSa ve [...]

54 Printer operat ion Q1860-90918 CLEARABLE WARNINGS=JOB JOB ON Set the amount of time that a clearable warning appears on the printer control pan el. JOB : W ar ning messages appear on the control panel until the end of the job from which they were gener ated. ON : W ar ning messages appear on the control panel until [Go] is pressed. AUTO CONTINUE[...]

Q1860-90918 Chapter 3 Printer opera tion 55 I/O menu Items in th e I/O (input/o utput) menu affect the communicatio n between the pr inter an d the computer . T able 21. I/O menu Item V alues Ex planation I/O TIMEOUT=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 b[...]

56 Printer operat ion Q1860-90918 EIO menu (HP LaserJet 5100tn and 5100dt n printer s) EIO (enhanced input/ outp ut) me n us depe nd on th e particular accessor y product that is installed in an EIO slot of the p rinter . If the p rinter contain s an HP Jetdire ct print server EIO ca rd, y ou can configure basic netw o r king parameter s using the [...]

Q1860-90918 Chapter 3 Printer opera tion 57 CFG LINK=NO NO YES NO: The 10/100Base-TX link confi guration menu is not used. YES: Y ou can use and manually set 10/100Base-TX link parameters. AUTO: (Default) The print ser ver automatically configures itself to match the network ’ s link speed and communication mode. 10T HALF: Sets 10 Mbps, half-dupl[...]

58 Printer operat ion Q1860-90918 Resets menu Use this menu with caut ion. Y ou can lose buff ered page data or printer configur at ion settings when y ou select these items . Only reset the printer under the f ollowing circumstance s: Y ou want to restor e the pr inter ’ s defau lt settings . Communication bet ween the printer and computer has b[...]

Q1860-90918 Chapter 3 Printer opera tion 59 Service mode Serv ice mode should be used only b y authorized service personnel. While in service mode, y ou can: V erify and set the page coun t, maintenance count (pag es since last maintenance), and serial number . These are shown on the co nfiguration page . Set the cold reset default. (This sets the [...]

60 Printer operat ion Q1860-90918 Setting the page count, maintenance count, and serial n umber The page counts and serial number s are stored in non volatile r andom-access memory (NVRAM). If it is nece ssar y to replace the f or matter PCA, the pa ge counts should be set to the current v alue to reflect the age of the print engine and main te nan[...]

Q1860-90918 Chapter 3 Printer opera tion 61 T able 24 sho ws the sequence of ke ystrok es that is used to change th e page count from a v a lue of 000000 t o a value of 0010480. Maintenance page count, interval, and reset The maintenance pag e count a llo ws f or input of the n umber of p ages since the la st mainten ance kit was installed. This co[...]

62 Printer operat ion Q1860-90918 Cold reset paper size The def ault paper siz e is stored in NVRAM. When the printer is cold rese t, the def ault paper siz e is set to the f a ctory s etting. P ossible v alues are C OLD RESET PAPER=LETTE R and COLD RESET PAPER=A4 . When you replac e the f ormatter in co untries th at use A4 rather than lett er siz[...]

Q1860-90918 Chapter 3 Printer opera tion 63 T esting the printer When you print a configur ation page, the printer chec ks its inter nal controller and I / O interf ace, and then prints a test page . Y ou can revie w the configuration pa ge printout to v er ify proper installation of such options as pap er tra ys or printer languages . For more inf[...]

64 Printer operat ion Q1860-90918 System configuration MS-DOS system configuration T o communicate properly with the printer , the MS-DOS en vironment requires th e addition or modification of MODE commands in the A UT OEXEC.BA T file. Add or modify the MODE command(s) as f ollows: P arallel MS-DOS commands Most IBM-compatib le computers def ault t[...]

Q1860-90918 Chapter 4 Printer maintenance 65 4 Pr inter maintenance Overview Cleaning th e printer and a ccessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Cleaning spilled toner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Preventive [...]

66 Printer maintena nc e Q1860-90918 Cleaning the printer and accessories T o maintain high-quality printing and perf ormance, thoroughly clean th e printer an d the paper- handling accessories: e very time you change the to ner car tr idge (run a cleaning page) . after pr in tin g ap pr oximately 15,000 pa ge s. whenev er pr int quality problems o[...]

Q1860-90918 Chapter 4 Printer maintenance 67 Using the printer c leaning pa g e If toner spec ks appear on the fro nt or b ac k side of yo ur print job s , use the f ollowing procedure to print a cleaning page. On the printer control panel, do the f ollowing: 1 Press [M ENU ] until PRIN T QUALITY MENU appears. 2 Press [I TEM ] until CREATE CLEANING[...]

68 Printer maintena nc e Q1860-90918 Pre ventive maintenance The pre v entive maintenance cycle f or this pr inter is ev er y 150,000 pages. T o order the maintenance kit see page 260. The kit contains one fuser , one transfe r roller , one T r a y 1 pickup roller , one T ra y 1 separat ion pad, two 2 50-sheet tra y pic kup r ollers, tw o 250-sheet[...]

Q1860-90918 Chapter 5 Functi onal information 69 5 Functional inf or mation Overview Printer subsys tems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Power supp ly system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

70 Functional informat ion Q1860-90918 www.GovTechMedia.com[...]

Q1860-90918 Chapter 5 Functi onal information 71 Printer subsystems This chapter presents a generaliz ed fu nctional o v erview of the p rinter and the printing processes . Figure 9. Paper-feed subsystem www.GovTechMedia.com[...]

72 Functional informat ion Q1860-90918 P o wer supply system Ac/dc power distrib ution The ac line v oltage f or the printer is applied throug h the main s witch (SW101) and supplied t o the low-v o ltage po w er supply circu it through t he fuse (F1). The l ow-v oltage pow er supply divides t he ac v oltage to +24 Vdc, +5 Vdc and +3.4 Vdc and supp[...]

Q1860-90918 Chapter 5 Functi onal information 73 If a shor t circuit or othe r problems on the load side cause an e xcessive curren t flo w from the +24 Vdc or +3.4 Vdc power supp lies or gener ate abnormal volta g e , the e xcess-current protection system and e xcess-v oltage protection system auto matically shut off the output v oltage to protect[...]

74 Functional informat ion Q1860-90918 High-v oltage po wer distrib ution Figure 11. High-voltage power supply circuit In response to the instr uctions fr om the micropro cessor (CPU) on the dc contr oller , this circui t applies the superimposed v oltage o f dc v oltage and ac v olta ge to the primary charging roller and de veloping cylinder , and[...]

Q1860-90918 Chapter 5 Functi onal information 75 T oner -car tridge detection The tone r car tr idge has a to ner sensor . The circuit com pares the o utput value of the dev elop ing ac bias and the output v alue (ANT) from the ant enna inside the ca rtr idge , and pu ts out t he tone r- detection signal. The CPU detects the le vel of remaining ton[...]

76 Functional informat ion Q1860-90918 Laser and scanner drive Based on inf or mation receiv ed from the f or matter , the dc controller board sends signals to the laser/scanner assemb ly to modulate the laser diode on and off and to driv e the laser/scanner motor . See “ Image- formation system ” on page 82 for mor e information. P aper-motion[...]

Q1860-90918 Chapter 5 Functi onal information 77 Motor s See the timing diagr am on page 102 f or specific timing details f or the printer motors. The dc controlle r board re gulates the main motor (M 1). The main motor driv es the main gear assembly and rotates dur ing the initial rotatio n pe r iod (follo wing power-on), the pr in t pe r iod, the[...]

78 Functional informat ion Q1860-90918 Formatter system The formatter PC A is responsible f or the f o llowing actions: controlling the P owerSa ve mode receiving an d processing pr int data from the various pr inter int erf a ces monitoring control panel inp ut and rela ying printer status inf or mation (through the con trol panel and the bidi re [...]

Q1860-90918 Chapter 5 Functi onal information 79 EconoMode The EconoMode sett ing uses up to 50 per cent less toner t han standard mode printing b y reducing the dot density . Howe ve r , EconoMode does not ex tend toner-cartr idge compo nent lif e. EconoMode , which can b e tho ught of as “ dr af t mode , ” can be selected at the co ntrol pane[...]

80 Functional informat ion Q1860-90918 Printer me mory Memor y is delivered on a single DIMM, which occupies one of the f our slots a vailable . This leav es three DIMM slots th at ma y be used to add memory , font s, or f irmware upgr ades. The memory that comes with the printer is on one of tw o types of combination Flash/DRAM DIMMs. The HP Laser[...]

Q1860-90918 Chapter 5 Functi onal information 81 P age pr ot ect P age complexit y (rules, comple x graph ics, or dense te xt) might e xceed the printer ’ s ability to create the pag e image fast enou gh to keep pace with the ima ge-f or mation process . If page protect is disab led, and a page is too comple x, it might print in par ts (f or e xa[...]

82 Functional informat ion Q1860-90918 Image-f ormation system The image-form ation system is the main pa r t of the pr inter , an d consists of six stages: When the f or matter board se nds the pr int signal to the dc cont ro ller board, it drives the main motor to rotate the photosen sitiv e d rum, the de v eloping cylinder , the primar y chargin[...]

Q1860-90918 Chapter 5 Functi onal information 83 T oner cartridg e A major por tion of the image-f or mation system is contained in the toner c ar tridge, as shown in the figure be lo w . The toner car tridge is the core of the image-f ormation system. It houses the cleaning, conditioning, and de velo ping steps of the pr ocess. The toner car tridg[...]

84 Functional informat ion Q1860-90918 Photosensitive drum The special prop er ties of the p h otosensitive d rum allow an image to be fo r med on the drum surf ace and then tran sf erred to paper . The drum is an aluminum cyl inder . The outside of the cylinder is coat ed with a la y er of organic- photoconductiv e material (OPC) which is non-to x[...]

Q1860-90918 Chapter 5 Functi onal information 85 Conditioning the drum After the drum is cleaned, it mu st be conditioned. This pr ocess consists of applying a unif orm negativ e charge on the surf ace of the dr um with the primary charging roller . The primar y charging roller is coat ed with conductive rubber wit h an ac bias applied to er ase an[...]

86 Functional informat ion Q1860-90918 Writing the image During the writing process, a mod ulated laser diode pr ojects the beam onto the rotating six-sided scanning mirror . As the mirror rotate s, the beam reflects off the mirror , through a set of f ocusing lenses, through a slot in the rear of th e toner cartr idge , and onto the photosensiti v[...]

Q1860-90918 Chapter 5 Functi onal information 87 Developing the ima g e The de v e loping process de ve lops the latent electrostatic ima ge into a visib l e image on the drum. The dev eloping unit consists of a metallic cylinder that rotates around a fixed magnetic core inside the toner ca vity . T oner is a powdery substance made of blac k plasti[...]

88 Functional informat ion Q1860-90918 T ransf erring the image During the transf erring process the tone r image on the drum surface is tr ansferred to the paper . A positiv e charge applied to the bac k of the paper by the tran sfer roller cau ses the negativ ely charged toner on the drum surf ace to be attracted to the page . The small diameter [...]

Q1860-90918 Chapter 5 Functi onal information 89 Image fusing/variab le fusing temperature During the fusing pr ocess , the toner is fused into the paper b y heat and pressure to pro duce a permanent image. The pa per passes between a heated fusing ro ller and a soft pressure roller . This melts the toner and presses it into the paper . The fusing [...]

90 Functional informat ion Q1860-90918 V ariable fusing temperature Figure 23. Fusing temperature contro l V ar iable fusing temperature is a f eature that gives the user or service technician the ability to adjust the fusin g te mperature profile based o n th e media being used in the printer . The def ault fuser mode is Normal f or most types of [...]

Q1860-90918 Chapter 5 Functi onal information 91 P aper feed system Figure 24. Paper path The paper in T ra y 1 is detected b y the T ra y 1 pa per sensor (PS401). The paper in T ra y 2 is detected b y the T ray 2 paper sensor (PS301). The size of th e paper in T ra y 2 and the presence of T ray 2 inst alled in th e printer are detect ed b y f our [...]

92 Functional informat ion Q1860-90918 Clutches and sensor s See “ Ref erence diagr a ms ” star ting on pag e 2 27 fo r locations of switches, sensors, and clut ches. Printing fr om T ray 1 The presence of p aper in T ra y 1 is detected b y the T ray 1 pa per sensor (PS401). When the forma tter PCA sends th e /PRNT (pr int signal) to th e print[...]

Q1860-90918 Chapter 5 Functi onal information 93 Printing fr om T ra y 2 When the f or matter PCA se nd s the /PRNT (print signal) to the printer , the CPU tur ns the T ra y 2 pick up solenoid (SL306) on about 0. 15 seconds after t he main motor (M1) star ts rotat i ng, then turns on the fe ed roller clutch (CL406) . The main motor r otates the T r[...]

94 Functional informat ion Q1860-90918 Figure 27. Paper skew correction www.GovTechMedia.com[...]

Q1860-90918 Chapter 5 Functi onal information 95 Printing fr om the optional 500-sheet and 250-sheet T rays There are two kinds of paper f eeders: 250 -she et and 500-sheet. The paper f eeder opera tion sequence is controlled b y the f eeder control PCA. The f eeder control PCA has an 8-bit microcomputer , and controls the serial communicat ions be[...]

96 Functional informat ion Q1860-90918 Figure 29. 500-sheet pape r feeder www.GovTechMedia.com[...]

Q1860-90918 Chapter 5 Functi onal information 97 Pa p e r j a m T o detect the presence of paper a nd whether the paper has been corr ectly fed, the f ollowin g paper sensors are installe d: Registrati on roller paper sensor (PS403) T o p of pag e senso r (PS 40 2) Fuser paper d eliv ery sensor (PS1306) If the paper doe s not reach or pass thr ough[...]

98 Functional informat ion Q1860-90918 Duplex er This function is to re ve rse the one side printed paper f r om the printer and ref eed it into th e printe r . The duple x er oper ation sequence is con trolled b y the duple xing driv er PCA. The duple xin g driver PCA has an 8-bit microcomputer , which controls the serial communications betw een t[...]

Q1860-90918 Chapter 5 Functi onal information 99 Rever sing system The duple xing driver PCA r eceiv es the duple x admission command from the printer fi rst. It turns on the duple x er deflector drive solenoid (SL 1701), and the duple xer de fle ctor in the printer then star ts to send the pa per into the duple xer . Within a specif ied period of [...]

100 Functiona l information Q1860-90918 Figure 32. Duplexer P aper jam in the duplex er The f ollowing sensors are located to detect th e pr esence of p aper an d t o dete rmine whether the paper is correctly f ed. re versing unit p aper sensor (PS1701) ref eed paper sensor (PS1 703) If the paper doe s not reach or pass through an y of the sensors [...]

Q1860-90918 Chapter 5 Funct ional info rmation 101 Basic sequence of operation The f or matter PCA and the dc controller boar d share information ov er a serial data bus. This allows printer status , command, and dot- i mage data to be passed be tween th e two PCAs . T able 27 shows the gener al timing of the printer e vents . The follo wing ev ent[...]

102 Functiona l information Q1860-90918 Figure 33. Timing diagram, two consecutive prints on A4 pap e r (600 dpi, face- down tray delivery) www.GovTechMedia.com[...]

Q1860-90918 Chapter 5 Funct ional info rmation 103 Figure 34. Timing diagram, two consecutive prints on A4 paper (1200 dpi, fa ce-down tray delivery) www.GovTechMedia.com[...]

104 Functiona l information Q1860-90918 www.GovTechMedia.com[...]

Q1860-90918 6 Removing and r eplacing par ts 105 6 Remo ving and replacing par ts Overview User-inst allable accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 Checking m emory installa tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10[...]

106 Removing and rep lacing parts Q1860-90918 Laser/scan ner assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164 Main motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Toner cartridg e guides . . . . . . . .[...]

Q1860-90918 6 Removing and r eplacing par ts 107 User -installable accessories The user can purchase and install accesso ries that e xpand or enhance the prin te r ’ s capabilities. Memory upgrade CA UTION Static electricity can damage the dual inline memor y modules (DIMMs). When y ou handle DIMMs , tak e either of the f ollowing actions: wear a[...]

108 Removing and rep lacing parts Q1860-90918 6 Slide the f or matter boa rd bac k into the printer and tighten the two captive scre ws. 7 If an optio nal duplex er is ins talled, reattach the cable tra y a nd the rear section of the du plex e r . Reattach any interface cables and the pow er cord. T ur n the printer on and test the DIMM ( s ee page[...]

Q1860-90918 6 Removing and r eplacing par ts 109 Chec king memor y installation F ollow this procedure to v erify that the DIMMs are installed correctly: 1 Chec k that the printer cont rol panel shows t he READY message when the printer is t urn ed on. If an error message appears, a DIMM might have been incorrectly installed. Chec k the printer mes[...]

110 Removing and rep lacing parts Q1860-90918 Installing EIO card s or mass-storage devices Note EIO accessories are not av ailabl e f or the HP LaserJet 5100Le printer . T ur n off the printer bef ore installing the EI O card or the mass-st o rage device . See figure 35 for the orientation and location of the EIO card or optional mass-stor age de [...]

Q1860-90918 6 Removing and r eplacing par ts 111 Bef ore yo u begin Before y o u begin to ser vic e the pr inter , complet e the follo w ing steps: 1 T u r n off the pr inter . 2 Unplug the po wer cord from the po wer outlet. W ARNING! Se vere injury can result if you attempt t o ser vice the printer while it is plugged into a powe r outlet. 3 Remo[...]

112 Removing and rep lacing parts Q1860-90918 P ar ts remo val or der Use the f ollowing diagr am to determine which par ts must be remo ved bef ore removing other par ts: F ormatter assembly Dc controller and power supply P aper-feed belt assembly F ront cover and tra y 1 F ront cover pins T ra y 1 inner cover T ra y 1 lif t plate P aper guide Lef[...]

Q1860-90918 6 Removing and r eplacing par ts 113 Co vers Rear door and rear output bin 1 F ace the rear of the printer . Press the two loc k ing tabs (callout 1) toward the cente r of the printer to release the rear door . Figure 37. Rear door and rear output bin removal (1 of 2) 2 The plastic support strap is located on the le ft side of the print[...]

114 Removing and rep lacing parts Q1860-90918 Fuser 1 Remov e the rear door and rear outpu t bin (see page 113 ). 2 F acing the bac k of the printer , remo v e the two machine scre ws (callout 1) that hold the fuser in the chassis. 3 Inser t a small, flat- blade screwdriv er under the fuser (at callout 2), and lift to diseng age the fuser assemb ly[...]

Q1860-90918 6 Removing and r eplacing par ts 115 To p c o v e r F acing the front of the printer , ope n th e top cove r and remov e the toner car tridge. CA UTION T o prev ent damage to the toner cartr idge , do not expose it to light f or more than a f ew minutes . 1 Release the to ner car tr idge enga gement ar m from the insid e of the top co v[...]

116 Removing and rep lacing parts Q1860-90918 2 Remov e two self-ta pping scre ws on the top of the chassis (callout 1). 3 Remov e the two self- tapping screws on th e top por tion of the bac k of the printer (callout 2). Note The rear cover needs to be opened or removed bef ore you can gain acces s to the screws. Figure 41. Top cover removal (2 of[...]

Q1860-90918 6 Removing and r eplacing par ts 117 Contr o l panel o verlay and contr ol panel 1 Remov e the top co v er (see page 115). 2 The control panel o verla y is held in place on the top co ver b y two tabs on each side . Slide a small flat-b lade scre wdriv er along the outsid e edge of the control panel o v e rlay t o disengage the two tabs[...]

118 Removing and rep lacing parts Q1860-90918 4 Remov e the single self-tapping scre w (callout 1) that holds the contro l panel to the under side of the top co ver . Figure 44. Control panel removal 5 Lift up gently on th e metal plate to free the cont rol panel. 6 Grasp the cont rol pa nel by its metal fr a me and rem o ve it from the un de rside[...]

Q1860-90918 6 Removing and r eplacing par ts 119 T oner cartridg e door assembly 1 Remov e the top co v er (see page 115). 2 Remov e the control panel f rom the top co ver (see page 11 7). Note The control pane l m ust be remov ed bef ore you can sepa rate the toner car tridge door fro m th e top cov er . 3 Disengage the pins (callo ut 1) b y press[...]

120 Removing and rep lacing parts Q1860-90918 Fr ont cover and T ray 1 Note The front co ver and the T ra y 1 guide must be remo ve d individually . 1 Open the front co ver (callout 1) . 2 Disengage the T ra y 1 guide pins (callout 2) from inside th e front co v er b y pushi ng the guide s outward. The co ver and T ra y 1 will separate from each ot[...]

Q1860-90918 6 Removing and r eplacing par ts 121 Fr ont cover pins 1 Remove the front cov er an d T ra y 1 (see pa g e 120). 2 Remov e two scre ws (callout 1) to free th e front co ver pins . Figure 48. Front cover pins removal 2 1 www.GovTechMedia.com[...]

122 Removing and rep lacing parts Q1860-90918 F ace-do wn co ver 1 Remov e the top cov er (see page 115). 2 F ace the bac k of the printer . 3 Squeeze the locking tabs (ca llout 1) inward, one side at a time, to releas e the face-down cov er . Figure 49. Face-down cover removal (1 of 2) 4 Grasp the co ver (in th e middle , a pproximate ly), and the[...]

Q1860-90918 6 Removing and r eplacing par ts 123 Left and right side co vers The removal procedure is t he same for both the left a nd the ri ght side covers. 1 Remov e the top co v er (see page 115). 2 Locate the t ab (callout 1) in the top , middle of t he cov er and release th e tab b y pushing do wn on it. 3 Grab the side co ver at the t op and[...]

124 Removing and rep lacing parts Q1860-90918 T ray 1 inner co ver The T ra y 1 inner cov er is a plastic tra y located at the top front of the printer . See figure 53. 1 Remov e the to p cov er (see page 115), the front cov er and T ray 1 (page 120), and t he left and right sid e covers (page 123). CA UTION Be sure to locate the paper -sensor flag[...]

Q1860-90918 6 Removing and r eplacing par ts 125 2 Remov e the two self-tappin g scre ws (c allout 2) th at hold the co v er to the front of the chassis . Figure 53. Tray 1 inner cover removal (2 of 2, front of printer) 3 F acing th e front of the p rinter , slip the cov e r off of the loc ator pins by tilting it to the r ight and then sliding it o[...]

126 Removing and rep lacing parts Q1860-90918 Right and left corner co vers Each cov er is secured b y one self-tapping scre w (callout 1). Remove th e screw , and then lif t off the cov e r . Figure 54. Corner covers removal 2 1 www.GovTechMedia.com[...]

Q1860-90918 6 Removing and r eplacing par ts 127 Internal assemblies Inter nal assem b lies are shown in figure 55 . All references to the r ight and left are assumed to be relativ e to the front of the printer , unless otherwise specified . Figure 55. Internal assembli es 2 2 2 2 2 2 1 2 3 4 5 6 Item Explanati on 1 Upper del iv er y assembly 2 Las[...]

128 Removing and rep lacing parts Q1860-90918 T ransfer -roller assembl y CA UTION Ne v er touch the tr ansfer rolle r with y our fingers . Wea r unpowdere d latex glo ves when y ou remov e and replace the tr ansf er roller . Roll the tr ansfer rolle r into a clean sheet of paper to protect it af ter remov al. 1 F ace the front of the printer , ope[...]

Q1860-90918 6 Removing and r eplacing par ts 129 Note The transf er roller is h eld on the right side b y a hinged clip (callout 3; also see callout 4 in figure 59). 3 Use the needl e-nosed pl iers to lift the tran sf er roller str aight up to f ree the tr ansf er roller fr om the hinged clip . Figure 57. Transfer-roller as semb ly removal (2 of 3)[...]

130 Removing and rep lacing parts Q1860-90918 T o reinstall Bef ore reinstalling the transfer roller , make sure that the hinged clip (callout 4) is up . Figure 59. Reinstalling t he transfer roller 2 4 www.GovTechMedia.com[...]

Q1860-90918 6 Removing and r eplacing par ts 131 P aper-handling PCA 1 Remov e the top co v er (see page 115) and the left side co ver (page 123). 2 F acing th e left side of th e printe r , disconnect th e cable (callout 1) fro m the PCA. 3 Remov e two self-tappin g screws (callo ut 2) and two machine scre ws (callout 3) from the PCA. 4 Rotate the[...]

132 Removing and rep lacing parts Q1860-90918 T op mar gin adjustment After replacing the pa per-handling PCA, readjust the top ma rgin. This adjustment is also necessary if the top margin of test prints that are made after laser/sca nner or dc controller replacement is not 2. 0 mm. The f ollowing steps comprise the adjustment procedur e: 1 After y[...]

Q1860-90918 6 Removing and r eplacing par ts 133 Figure 62. Location of VR401 on the paper -ha ndling PCA T est pr int www.GovTechMedia.com[...]

134 Removing and rep lacing parts Q1860-90918 Main gear assembl y 1 Remov e the top co v er (see page 115) and the left co ver (page 123). The main motor is located on a PCA that is on the bac k of the main gear assemb ly . 2 Disconnect the main motor cabl e (callout 1). 3 Remov e fiv e se lf-t apping scr e ws (callout 2) and the gr ounding scre w [...]

Q1860-90918 6 Removing and r eplacing par ts 135 4 Rotate the bottom of the assembly out, and then lower it to release the lo cating tab (callout 4) and remov e the main gear assembly . CA UTION Be careful w hen you remov e the assembly . Th e toner car tr idge enga gement ar m (callout 5) can break if it is not handled car efully . Figure 64. Main[...]

136 Removing and rep lacing parts Q1860-90918 Pic k up gear assembl y 1 Remov e the top cov er (see pa ge 115), the left side cov er (page 123), and the paper-handling PCA (page 131). 2 Release the small spring (callout 1) on the gear . 3 Remov e the f our self-tapping scr ews (callout 2) from the gear assemb ly . 4 Remov e the pickup gear assem b [...]

Q1860-90918 6 Removing and r eplacing par ts 137 T ra y 1 pickup solenoid 1 Remov e the paper-han dling PCA (see page 131). 2 Remov e the T ra y 1 sole noid b y remo ving one b lac k machine scre w ( callout 1) an d sliding the solenoid assemb ly awa y from the pic k up gear assembly . Figure 66. Tray 1 pickup solenoid removal 2 1 www.GovTechMedia.[...]

138 Removing and rep lacing parts Q1860-90918 Fan 1 Remov e the top co v er (see page 115) and the right side co ver (page 123). 2 Disconnect the cab le (callout 1) that supplies pow er to the fan. 3 Remov e the two self-tapping screws (callout 2) th at se cu re the fan to the chassis. 4 Remov e the f an from the chassis. Figure 67. Fan removal (ri[...]

Q1860-90918 6 Removing and r eplacing par ts 139 Formatter assembl y 1 Print a me nu map and a con fig uratio n page, if possible, to use as a reference when you reinstall the new f or matter . 2 Remov e an y E IO accessor ies from t he EIO slots. 3 F acing the bac k of the printer , loosen the two captiv e screws (callout 1) and slide th e f or ma[...]

140 Removing and rep lacing parts Q1860-90918 T ray 1 r oller 1 Open the to p cove r and remov e the toner cartr idge . 2 F acing the front of the printer , r a ise the gr een center handle of the registrat ion assembly . 3 Lift the loc king tab (callout 1) on the right-side roller cam, an d slide the cam to the right. 4 Slide the roller bet ween t[...]

Q1860-90918 6 Removing and r eplacing par ts 141 T r ay 1 separation pad 1 Open T ra y 1 and remov e the T ra y 1 roller (see pag e 140). 2 With one hand, use a sma ll flat-blade screwdriver to pr y the T r a y 1 separation pa d (callout 1) from the holder. Figure 70. Tray 1 separation pad removal (1 of 2 — view thr ough slot in Tray 1) 3 With th[...]

142 Removing and rep lacing parts Q1860-90918 T r ay 2 p i ck u p rol l e r Note This procedure applies t o T ra y 2 and to any optiona l 250 - sheet tr a y . 1 Remov e the 250-sheet tray . 2 F or T ra y 2, carefully tilt the pr inter onto its left side. -Or- F or an optional 250-sheet tr ay , set the f eeder upside-down on t he work surface . 3 Pr[...]

Q1860-90918 6 Removing and r eplacing par ts 143 T r ay 2 separation pad Note This procedure applies to T ra y 2 and to any optional 25 0-sheet tr ay . 1 Remo v e the paper fr om the tr a y . Note Callout 1 in figure 73 shows a det ail of the sepa ration pad. 2 While pressing do wn the paper lift plate (callout 2), re ach under the front of the tr [...]

144 Removing and rep lacing parts Q1860-90918 P aper-f eed roller assembl y 1 Remov e the top cov er (see page 115), the left side co ver ( page 123), the main ge ar assembly (page 134), the paper-hand ling PCA (page 131), and the p ickup gear assembly (page 136). 2 Remov e the paper-f eed roller clutch (callout 1) that is located on the left side [...]

Q1860-90918 6 Removing and r eplacing par ts 145 4 Remov e the two M3x8 machine scr ews (callout 1) that are in the cent er of the printer and under the registr ation assembly roller guide . Figure 76. Paper-feed roller ass embly removal (2 of 3, location of t w o screws in side the printer) 5 Remov e the paper tr ay , an d tilt the pr inter ba ck,[...]

146 Removing and rep lacing parts Q1860-90918 Dc contr o ller and power suppl y This assemb ly contains two PCAs. One is the dc co ntroller (including t he high-v oltage pow er supply), and the other is t he lo w-v oltage pow er supply . 1 Remov e the rear door (s ee page 113), the top co ver (page 115), the left an d right side cov ers (page 123),[...]

Q1860-90918 6 Removing and r eplacing par ts 147 8 Remov e the two screws (callout 4) that are located at t he front of the dc controller assemb ly and inside th e chassis. These ar e long screws; their po sition requires th e use of a magnetized screwdr iv e r . Figure 79. Dc controller assembly removal (2 of 3, long sc rews) 9 Slide the dc contro[...]

148 Removing and rep lacing parts Q1860-90918 P aper-f eed belt assembly 1 Remov e the top cov er (see page 115), t he lef t and right side co v ers (page 123), the transf er- roller assemb ly (page 128), the fuser (page 114), the main gear assemb ly (page 134), and the dc cont roller (page 14 6). 2 F acing the front of the pr inter , remo ve tw o [...]

Q1860-90918 6 Removing and r eplacing par ts 149 3 Raise the registr ation assembly by g rasping the small green han dle, and lift out the belt assembly . 4 Remov e the plastic guide (callout 2) and replace the belts if necessa r y . The guide snaps bac k in after the belt replacem ent. CA UTION The edge (callout 3) h as a metal r idge with sh ar p[...]

150 Removing and rep lacing parts Q1860-90918 T ray 1 shaft 1 Remov e the top co v er (see page 115), the left and right side co vers (pag e 123), the pick up gear assemb ly (page 136), and the pa per-handling PCA (page 131). 2 Remov e the plastic collar on the ou tsid e, r igh t of the ch as sis, b y pulling outward on the collar ’ s release tab[...]

Q1860-90918 6 Removing and r eplacing par ts 151 5 Release the ta bs (c allout 2) of the gear that is on the left side of the shaft, outside of the chassis, and slide the gear off. Figure 84. Tray 1 shaft remo val (2 of 2) 6 Slide the shaft to th e right, and then angle it out of the chassis . Note Make sure that the T ray 1 lift p late (with its s[...]

152 Removing and rep lacing parts Q1860-90918 T ray 2 shaft 1 Remov e the top co v er (see page 115), the left and right side co vers (pag e 123), the pick up gear assemb ly (page 136), the pape r-handling PCA (page 131), and the paper-f eed roller assembly (page 144) . 2 Remov e the small s pring fr om the gear th at is on the left side of the sha[...]

Q1860-90918 6 Removing and r eplacing par ts 153 T o reinstall 1 Tip the pr inter back, so that t he front faces up . 2 Inser t th e shaft into th e fitting on the right side. Then , angle the sha ft into the oth er side. 3 Place the b ushing on the right end of the shaft, and push until the t ab locks in the in dentation on the shaft. 4 F acing th[...]

154 Removing and rep lacing parts Q1860-90918 T ra y 1 lift plate 1 Remov e the top co v er (see page 115), the front co ver (pag e 120), the left and right side cov ers (page 123), and the T ra y 1 shaft (page 150). 2 Rotate the T ra y 1 lift plate to the front of the pr inter , and then car efully pr y down each hook (callout 1) until the hook is[...]

Q1860-90918 6 Removing and r eplacing par ts 155 P aper guide 1 Lift the green ha ndle (callout 1) in the middle of the registr ation assemb ly . 2 Release th e guide by freeing th e end pins (ca llout 2), and th en lift the paper guide out. Figure 88. Paper guide removal 2 2 1 2 www.GovTechMedia.com[...]

156 Removing and rep lacing parts Q1860-90918 T op-of-pa g e sensor 1 Remov e T ray 2. 2 Remov e the top cov er (see page 115), the left side co ver ( page 123), the pic kup gear assembly (page 136), the paper-hand ling PCA (page 131), and the p aper-feed roller assembly (page 144) . 3 Remov e the gear from the left end of the T ray 2 shaft (see pa[...]

Q1860-90918 6 Removing and r eplacing par ts 157 F ace-down bin-full sensor le ver The f ace-down bin-full sensor is located on the top of the up per deliv er y assembly . 1 Remov e the top co v e r (see page 115) , the rear doo r and rear ou tput bin (pa ge 113), and the left and right side co vers ( page 123). 2 Release th e two clips (callout 1)[...]

158 Removing and rep lacing parts Q1860-90918 Accessory interface connector 1 Remov e the top co v er (see page 115), and the left side cov er (page 123). 2 Disconnect the tw o cab les (callout 1) from the connector . 3 Remov e the tw o self-tapping scre ws (callout 2). Figure 91. Accessory interface conn ector removal (left side of printer ) 4 Rem[...]

Q1860-90918 6 Removing and r eplacing par ts 159 Registration assembl y 1 Remov e the top co v er (see page 115), the left side co ver (page 123), the pick up gear assembly ( page 136), the main gear assemb ly (page 134), and the transf er guide (page 128, steps 1 and 2) . 2 Release the e-ring (callout 1) that is on the regi stration assemb ly clut[...]

160 Removing and rep lacing parts Q1860-90918 4 Remov e the f our self-tapping scr ews (callout 2) inside the chassis . Note Lift up the sma ll green handle of the regis tration assembly to gain access to two of these screws. Figure 93. Registration assembly r emoval (2 of 2) 5 Lift the re gistr ation assembly ou t of the chassis. T o reinstall Whe[...]

Q1860-90918 6 Removing and r eplacing par ts 161 Upper delivery assembl y 1 Remov e the top co v er (see page 115), the left an d right side co vers (page 123), and the main gear assem bly (page 134 ). 2 F ace the le ft side of the printer . 3 The deliver y assembly is secured by three tabs on each side. Use the flat-blade screwdri v e r to gently [...]

162 Removing and rep lacing parts Q1860-90918 Delivery roller 1 Remov e the top co v er (see page 11 5) t he lef t and right side co v ers (page 123) and the main gear assemb ly (page 134). 2 F acing the left side of the printer , inser t a flat-b lade screwdriv er and twist gently to release the tab on the left side of the delivery r oller (callou[...]

Q1860-90918 6 Removing and r eplacing par ts 163 4 After freeing both locking tabs , gently pull the delivery roller to remove it. 5 Individual rollers (callout 2), located abov e the lower deliv er y rollers (callout 3), can be remov ed by usin g a flat-b lade screwdriv er to push gently on the top side of the roller . The roller is released b y t[...]

164 Removing and rep lacing parts Q1860-90918 Laser/scanner assembl y 1 Remov e the top co v er (see page 115) and the f ace-down bin co ver (pag e 122). 2 F acing the back of the pr in te r , remov e the four screws (callout 1) that hold the assem bly to the chassis. 3 Disconnect three cab les (callout 2). 4 Lift the lase r/scanner assem bly out o[...]

Q1860-90918 6 Removing and r eplacing par ts 165 Main motor 1 Remov e the main gear assem bly (see pag e 134). 2 Remov e the three scre ws (callout 1) that secure the moto r to the bac k of the main gear assembly . Figure 98. Main motor removal (rear view) 3 Carefully separ ate the motor from the gear assembly . 2 1 www.GovTechMedia.com[...]

166 Removing and rep lacing parts Q1860-90918 T oner car tridg e guides 1 Remov e the top co v er (see page 115) and the left and right side cov ers (page 123). 2 Release the “ leading ” tab (callout 1) first. 3 Rotate the right guide cloc kwise and the lef t guide count ercloc kwise to unlock the remaining two tabs. 4 Slide the guide out of th[...]

Q1860-90918 6 Removing and r eplacing par ts 167 P o wer inlet assemb ly 1 Remov e the top co v er (see page 115) and the right side co ver (page 123). 2 Remov e the s witch rod (callout 1) b y flexin g it sligh t ly and unhooking it f r om the s witches on each end. 3 Remov e the three self-tappin g screws (callo ut 2) from the po wer inlet housin[...]

168 Removing and rep lacing parts Q1860-90918 Optional 250-sheet feeder Separation pad 1 Empty the paper fr om the tra y . Note Callout 1 in figure 101 sh o ws a detail of the separation pad. 2 While pressing do wn the paper lift plate (callou t 2), reach under the front of the tr a y and squeez e the blac k tabs (callou t 3 in figure 102) to rele [...]

Q1860-90918 6 Removing and r eplacing par ts 169 Pic kup roller 1 Remov e the optional 250 -sheet tra y . 2 Set the f eeder upside do wn on the work surf ace. 3 Press the lo cking tab (callout 1) on the white, side c am (callout 2), and slide the cam and the blac k bushing (callout 3) aw ay from the ro ller (callout 4). 4 Slide the roller betw een [...]

170 Removing and rep lacing parts Q1860-90918 Sensing flag 1 Place the optional 250 -sheet feede r face-up on a w o rk surf ace and remov e the 250-sheet tra y . 2 Use the small flat-b lade screwdriv er to press the loc king tab (callout 1). Figure 104. Optional 2 50-sheet feeder sens ing flag remo val (1 of 2) 3 F rom the other side of t he base p[...]

Q1860-90918 6 Removing and r eplacing par ts 171 Contr ol PCA 1 Place the optional 250- sheet fee der face-up on a work surf ace and remov e the 250-sheet tra y . 2 Press the two tabs (callo ut 1) on the right side top cov er and lift off th e co ver . 3 Press the two t abs (callout 2) on the left side top cov er and lift off t he co ver . 4 Remove[...]

172 Removing and rep lacing parts Q1860-90918 7 T ur n the f eed er assembly ov er s o that it is face-up on the wor k surface. 8 Remov e all cables attached t o the feeder control PCA. 9 Remov e the two scr ews (callout 5) that se cure the PCA to the frame and lift the PCA off of the frame. Figure 108. Optional 250- sheet feeder control PCA remova[...]

Q1860-90918 6 Removing and r eplacing par ts 173 P aper- size spring assembl y 1 Complete steps 1 throu gh 6 of the f eeder control PCA remov al procedure (see page 171) . 2 T ur n the f eeder assembly o ver so that it is f ace-up on the w or k surf ace. 3 Remov e the two scre ws (callout 1) that secure the pape r size s witch PCA to the frame . Fi[...]

174 Removing and rep lacing parts Q1860-90918 Optional 500-sheet feeder Co vers and base frame 1 Use the flat-b lade screwdriv er to press down f our loc k ing tabs (callout 1) and then remo ve the right and left auxiliar y cov ers (callout 2). 2 Use the flat-b lade scre wdriv er to press do wn the t wo loc king t abs (callout 3) on the top o f the[...]

Q1860-90918 6 Removing and r eplacing par ts 175 4 Remov e the fiv e self-tapping scre ws (callout 6). Figure 11 3. 500-sheet feed er removal (2 of 2, top view with cove rs removed) 2 2 5 6 www.GovTechMedia.com[...]

176 Removing and rep lacing parts Q1860-90918 T ra y indicator assembl y 1 Remov e the base frame from the 500-shee t feeder asse mbly (see page 174) . 2 Remov e the left fr ont cor ner cover screw (callout 1). 3 Re m ove t h e c ove r. 4 Remov e the top self-tapping screw . 5 Remov e the tra y indicator assembly (callout 2). Figure 114. Tray indic[...]

Q1860-90918 6 Removing and r eplacing par ts 177 Left fr ont corner cover installation 1 Install the tray indicator assembly . 2 Depress the indicator so tha t t he tra y indicator limit tab (callout 1) is between the upper limit stop (callout 2) and the lower limit stop (callout 3), and then reinstall the cov er . Note Make sure that the tra y ind[...]

178 Removing and rep lacing parts Q1860-90918 500-sheet feeder feed r oller 1 Place the feeder upside down on the work surface. 2 Pinch the f eed roller tab and slide the f eed roller (callout 1) off of the shaft. Figure 116. 500-sheet f eeder feed roller removal 2 1 www.GovTechMedia.com[...]

Q1860-90918 6 Removing and r eplacing par ts 179 500-sheet feeder pic kup rol ler 1 Place the f eeder upside down on the wo r k surf ace. 2 With one hand , rotate the pic kup roller sh aft (callout 1) 90 degre es . 3 With the other hand, press th e lock ing tab on each of the rollers (callout 2) and push the rollers back slightly fro m their secure[...]

180 Removing and rep lacing parts Q1860-90918 500-sheet feeder PCAs 1 Remov e the f eeder assembly from its base fr ame (see page 174) and place it upside do wn on the wor k surface. 2 Remov e the 500- sheet feeder PCA by disconnecting th e cables and then removing t he two machine screws (callout 1). 3 Disconnect two cab les from the paper-siz e s[...]

Q1860-90918 6 Removing and r eplacing par ts 181 500-sheet feeder po wer connector 1 Remov e the left co ver from t he 500-sheet f eeder (see page 174 ). 2 Remov e the two scre ws (callout 1). 3 Disconnect one cab le (callout 2). Figure 12 0. Power connector remo val 4 Lift the co nnector off o f the frame. 2 1 2 2 www.GovTechMedia.com[...]

182 Removing and rep lacing parts Q1860-90918 500-sheet feeder separation r o ller 1 With one hand, lift th e retur n cov er (callout 1) on the 500- sheet tra y . 2 With the other hand, pinch the separation roller tab . 3 Slide the separ ation roller (callout 2) off of the shaf t. Note Make sure that the torque limiter remains in position. Figure 1[...]

Q1860-90918 Chapter 7 T roub leshooting 18 3 7 T roub leshooting Overview Troubleshootin g process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 Troubleshootin g process flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 85 Troubles[...]

184 Troubleshooting Q18 60-90918 T roub leshooting process The troub leshooting process is a systematic approach that addr esses the major prob lems first, then other prob lems as you ident ify the causes f or printer malfunction s and errors. The f ollowing list describes the basic questions to ask the cu stomer and the corresponding troub leshoot[...]

Q1860-90918 Chapter 7 T roub leshooting 18 5 T roub leshooting process flo w The f ollowing troubleshooting process flo w illus trates the major steps for troub leshooting the printing system. Each heading depict s a major troubleshoo ting step . A YES ans w er to a question directs you to the next major step . A NO ans wer indicates that addit ion[...]

186 Troubleshooting Q18 60-90918 A. See “ Image quality ” on page 207 and compare pages to samples. A. For err or messages encountered printing the configura tion page, see printer messages. If the page does not print, see “ Engine test ” on page 190. A. See “ Interface troubleshooting ” on page 225. www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 18 7 T roub leshooting the printing system Preliminary operating chec ks Bef ore troubleshootin g a specific printer prob le m, make sure that the f ollowing conditio ns are met: The printer is being maintained on a re gular basis and in accordan ce with the procedur es described in chapter 4. The custome r i[...]

188 Troubleshooting Q18 60-90918 Po w e r o n It is impor tant to have the printer control pan el fu nct i on al as soo n as po ss ible in the troubleshooting proces s so that the prin te r ’ s diag nostics can assist in locating printing errors. T able 29. P ower on de fect or blank displa y Problem Action Is the power cord plugged into the wall[...]

Q1860-90918 Chapter 7 T roub leshooting 18 9 T able 30. No ac power Cause Action No correct voltage present at the outlet. Plug the power cord into another ac circuit outlet. Inform the customer that th e correct line voltage is not a vailab le at the outlet. The po wer cord is not f i r mly plugged into the printer and the outlet. Inser t the plug[...]

190 Troubleshooting Q18 60-90918 Engine test The engine test verifies that the print engine is functionin g correctly . The f or matter is b ypassed during an engine test, but it can still interf ere with the test. The engine test is v er y useful for isolating printer prob lems. Because the engine test prints a full page of lines across the entire[...]

Q1860-90918 Chapter 7 T roub leshooting 19 1 Event log Use the e vent log to diagn ose and troub leshoot printer errors and intermittent f a ilures . Y ou can either view th e ev ent log on the control panel, or y ou can pr int it. Open the e v ent log f rom the cont rol panel inf ormation menu. (Select PRINT EVENT LOG or SHOW EVENT LOG . ) The e v[...]

192 Troubleshooting Q18 60-90918 View the e vent log at the control panel If the printer cannot print or mov e any paper , f ollow these steps to vie w the ev ent log at the control panel: 1 Press [M ENU ] until INFORMATION MENU appears . 2 Press [I TEM ] until SHOW EVENT LOG appears . 3 Press [S ELECT ] to show the e v ent log. 4 Press [+] to scro[...]

Q1860-90918 Chapter 7 T roub leshooting 19 3 Printer messages The f ollowing tab le ex plain s messages that might appear on th e pr inter control pan el. Note If the messa ge req uest ing t hat y ou load a tr a y persists , a nd y ou know that t he t r a y is not empty , or if a message indicates that a previous print job is still in the pr inter [...]

194 Troubleshooting Q18 60-90918 EIO n DISK INITIALIZING The disk accessor y card takes a long time to initialize. The first parameter is the accessory slot number for this disk accessory card. EIO n DISK NOT FUNCTIONAL The EIO disk is not working correctly . Remov e the EIO disk from the slot indicated. Reseat the EIO disk. If the message continue[...]

Q1860-90918 Chapter 7 T roub leshooting 19 5 MEMORY SETTINGS CHANGED The printer changed its memo ry se ttings because it did not hav e enough memor y to use the previous settings for I/O b uffering and re source saving. This usually occurs after memory is removed from the printer , a duplex er is added, or a printer language is added. Y ou might w[...]

196 Troubleshooting Q18 60-90918 UNABLE TO STORE JOB A job cannot be stored on the pr i nter because of memor y limitations or the file system configuration. USE [TYPE] [SIZE] INSTEAD? If the requested paper size or type is not a vailab le, the printer asks if it should use another paper size or type instead. Press [-V ALUE +] to scroll through the[...]

Q1860-90918 Chapter 7 T roub leshooting 19 7 22 EIO x BUFFER OVERFLOW alter nates with PRESS GO TO CONTINUE T oo much data w as sent to the EIO card in the specified slot ( x ). An imp roper communications protocol might be in use. Press [G O ] to clear the message. (Data will be lost.) Check the host configuration. If the message persists, update [...]

198 Troubleshooting Q18 60-90918 50.x FUSER ERROR A fuser error has occurred: 50.1 — lo w fuser temperature 50.2 — fuser w a rm-up ser vice 50.3 — high fuser temperature 50.4 — lo w/bad line voltage — the printer might be connected to an uninterrupted pow er supply (UPS) 50.5 — unab le to hold a consistent fuser temperature 1. T urn the[...]

Q1860-90918 Chapter 7 T roub leshooting 19 9 53.xy.zz PRINTER ERROR A problem e xists in the printer ’ s memory . The DIMM that caused the error will not be used. V alues of x , y , and zz are as follows: x = DIMM type 0 — ROM 1 — RAM y = de vice location 0 — internal memor y (ROM or RAM) 1 to 4 — DIMM slots 1, 2, 3, or 4 zz = error n umb[...]

200 Troubleshooting Q18 60-90918 64.x PRINTER ERROR A scan-buff er error occurred. 1. T urn the pri nter off , and then tur n the pr inter back on. 2. If the problem persists , replace the f o r matter . 66.xy.zz INPUT DEVICE FAILURE alter nates wi th CHECK CABLES AND CYCLE POWER An error occurred in a n e x ternal paper-handling de vice. 1st x = d[...]

Q1860-90918 Chapter 7 T roub leshooting 20 1 8x.yyyy PRINTER ERROR The EIO accessory in slot x has encounte red a critical error as specified by yyyy . x= description 1 — EIO slot 1: the pr in ter detected an error with the EIO card. 2 — EIO slot 2: the prin te r detected an error with the EIO card. 6 — EIO slot 1: the EIO card detected an er[...]

202 Troubleshooting Q18 60-90918 General paper -path troub leshooti n g Ja ms occur in the printer when print media either d oes not reach or does not cle ar a photosensor along the printer ’ s paper path in a specific amount of time . If a jam occurs , a 13.x x PAPER JAM message appears on the printer control panel. The f ollowing tab le contain[...]

Q1860-90918 Chapter 7 T roub leshooting 20 3 P aper-path test T o perf orm a paper-pat h test: 1 Press [M ENU ] until INF ORMATION MENU appears 2 Press [I TEM ] until PRINT PAPER PA TH TEST appears. 3 Press [S ELECT ] . 4 Press [+] to cycle selections until the inpu t tray y ou want to test app ear s. 5 Press [S ELECT ] . 6 Press [+] until the ou t[...]

204 Troubleshooting Q18 60-90918 Inf o rmation pages F rom the printer control panel, y ou can print pages that give details ab out the printer and its current configur ation. The f ollowing inf or mation pages a re descr ibed here: Menu map Configuratio n page F or a complete list of the printer ’ s inf or mation pages , pr int a menu map and se[...]

Q1860-90918 Chapter 7 T roub leshooting 20 5 Configuration page Use the configur ation page to vie w the current printer settings , to help troub leshoot printer prob lems, or to v er ify correct insta llation and functi on ality of optional accessories, such as memory (DIMMs), paper tra ys, and printer langu ages. Note If an HP Je tdirect print se[...]

206 Troubleshooting Q18 60-90918 V erify the installed options Under “ Installed P ersonalities and Option s ” on t he configura t ion page, look f or options such as the hard disk or DI MM types and sizes . V erify that the options that are inst alled in your printer are listed on the configuration page . If an installed de vice is not shown, [...]

Q1860-90918 Chapter 7 T roub leshooting 20 7 Image quality When yo u ar e working with customers, obtain a print sample bef ore yo u begin troub leshooting their printer . Ask the customer to e xplain the quality e xpected from the printer . The print sample will also help clarify the image-quality issue. Chec k the toner cartridge Image-f ormation[...]

208 Troubleshooting Q18 60-90918 Chec k the surface of th e photosensitive drum in the cartr idge to see if it ha s been damaged or scratched. T ouching the drum contaminate s the photosensitiv e surf ace and can cause spotting and defects durin g pr inting. Dark areas on the page might ind icate that the drum has been e xposed to light f or too lo[...]

Q1860-90918 Chapter 7 T roub leshooting 20 9 Image defects The quality of t he pr inter ’ s outpu t is subj ec t to use r judg me n t. Th is sec tio n of the ma nual helps you d efine print quality def ects and understand the f actors that aff ect print quality . The print s amples in the f ollowing figures illustrate some print-quality defects .[...]

210 Troubleshooting Q18 60-90918 T able 34. Blac k lines (in paper path direction) P ossible cause Ac ti on T oner car tridg e not se ated correctly . Remove the toner cartr idge and reinser t it. Defectiv e toner car tr idg e. Perf or m the half self-test functio nal check (see page 224). If th e defect de v elops on the print dr um, replace the t[...]

Q1860-90918 Chapter 7 T roub leshooting 21 1 T able 36. Black page P ossible ca u se Action Def ective to ne r cartridge. Repl ace the toner car tri dge. High-voltage contact springs are dir ty or defectiv e. The high-voltage contacts are mounted on and above the dc controller PCA and protrude into the toner car tridge cavity . Inspect and clean th[...]

212 Troubleshooting Q18 60-90918 T able 37. Blank pa ge P ossible cause Ac ti on Software configuration (intermittent). Mak e sure that the application is not sending incorrect page-length requests or extra page-eject commands . Network configuration. Some sharing devices on networks might gen erate a blank page as a separator . Check with the netw[...]

Q1860-90918 Chapter 7 T roub leshooting 21 3 T able 38. Character v oids and dropout s P ossible ca u se Action Printing on the wrong side of the paper . The label on the ream of paper indicates which side to pr int on. The diff erent surface proper ties of some papers might cause problems if the paper is loaded wrong-side-up. 1. Check f or the a r[...]

214 Troubleshooting Q18 60-90918 T able 39. Creases P ossible cause Ac ti on Media does not meet th e printer sp ecification s or is stored improperly . 1. Print a fe w more pages to see if the problem corrects itself. 2. T urn ov e r the stac k of paper in the tra y . Also try rotating the paper 180 ° . 3. Check the paper (or other print media) t[...]

Q1860-90918 Chapter 7 T roub leshooting 21 5 T able 41. D ark print P ossible ca u se Action Wrong toner density se tting. F ro m the pr int-quality menu on the control panel, adjust the toner den sity setting. T oner cartr idge print dr um is close to the e nd of its life . Replace the toner car tr idge. Media does not meet the printer specifi cat[...]

216 Troubleshooting Q18 60-90918 T able 43. Distorted ima g e P ossible cause Ac ti on Media does not meet th e printer sp ecification s or is stored improperly . 1. Print a fe w more pages to see if the problem corrects itself. 2. T urn ov e r the stac k of paper in the tra y . Also try rotating the paper 180 ° . 3. Check the paper (or other prin[...]

Q1860-90918 Chapter 7 T roub leshooting 21 7 T able 45. Faded or light print P ossible ca u se Action Begin by perf orming the half self-te st function check (see page 224). If the image on the pr int drum is light, proceed with actio ns 1, 2, 3, 6, 7, and 8. If the drum i mage is nor mal, proceed with ac tions 5, 6, and 8. T oner supply is low . A[...]

218 Troubleshooting Q18 60-90918 T able 46. Gra y backgr ound P ossible cause Ac ti on Media does not meet pr inter specifications or is stored improperly . 1. Print a fe w more pages to see if the problem corrects itself. 2. T urn ov e r the stac k of paper in the tra y . Also try rotating the paper 180 ° . 3. Check the paper (or other print medi[...]

Q1860-90918 Chapter 7 T roub leshooting 21 9 T able 47. Loose toner or toner smear P ossible ca u se Action Dir t in the pr inter . 1. Print a fe w more pages to see if the problem corrects itself. 2. Clean the inside of the pr inter (see page 66) an d use the pri nter ’ s cleaning page (see page 6 7). Dir ty fuser rollers. T oner bu i ld- u p ca[...]

220 Troubleshooting Q18 60-90918 T able 48. Repeti tive defe cts P ossible cause Ac ti on T oner car tr idge is damaged. The circumf erence of the photoconductive drum inside the toner car tr idg e is 94 mm (3-11/16 inches). If the defect repeats at this inter val, the def ect is associated with the dr um. Inspect the drum for scratches or damage. [...]

Q1860-90918 Chapter 7 T roub leshooting 22 1 T able 50. Sm udged lines (either direction) P ossible ca u se Action P aper path contamin ation or damage. 1. Check the toner car tridge b y perf orming th e half self-test functional check (see page 224). Replace it if necessar y . 2. Run a clean ing page through the printer (se e page 67). Check the f[...]

222 Troubleshooting Q18 60-90918 T able 53. White lines (opposite to the paper-path direction) P ossible cause Ac ti on Damage to the p rint dr um. Rep l ac e the toner car tridge. Damage to fuser roller . Ru n a cl eaning page through the pr inter (see page 67). If the problem persists, replace the fuser . Unstable laser beam or beam control circu[...]

Q1860-90918 Chapter 7 T roub leshooting 22 3 Repetitive defect ruler Repetitiv e print defect s u sually a re associat ed with a sp ecific r oller wit hin t he printer or the t on er car tridge. Use figure 12 6 to isolate the cau se of repetitiv e print def ects . Align the fir st occurrence of the def ect with the top of the ruler (at the top or b[...]

224 Troubleshooting Q18 60-90918 Image system tr oubleshooting Half self-test functional chec k The electrophotog raphic process can be subdivided into th e f ollowin g stages: Cleaning (remo ves e xcess toner from the drum surf ace) Conditioning (places a unif orm electr ical charge on the drum) Writing (the laser str ikes the surface of the dr um[...]

Q1860-90918 Chapter 7 T roub leshooting 22 5 Interface tr oubleshooting This section pro vides an overview of the printer ’ s interface requirements. Communications chec k Note Communica t ion problems are normally the customer ’ s responsibility . Time spent attempting to resolv e these problem s might not be co vered b y the product ’ s Hew[...]

226 Troubleshooting Q18 60-90918 Figure 127. Jetdirect conf iguration page 4 Nov ell/NetW are This bloc k should state the Novell printer ser ver name to which the pr inter is connected. If the node name reads “ NPI xxxxxx ” (where xxxxxx = the last six digits of the EIO ’ s LAN address), the EIO card has not bee n configured f or a Nov ell s[...]

Q1860-90918 Chapter 7 T roub leshooting 22 7 Reference dia grams Locations of components Figure 12 8. Paper path (sensors an d switches) www.GovTechMedia.com[...]

228 Troubleshooting Q18 60-90918 Figure 129. P aper path (clutc hes , solenoids, and motor s) www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 22 9 Figure 13 0. 250-sheet paper f eeder www.GovTechMedia.com[...]

230 Troubleshooting Q18 60-90918 Figure 131. 250-sheet p aper feeder www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 23 1 Figure 13 2. 500-sheet paper f eeder www.GovTechMedia.com[...]

232 Troubleshooting Q18 60-90918 Figure 133. 500-sheet p aper feeder www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 23 3 Figure 13 4. Duplexer www.GovTechMedia.com[...]

234 Troubleshooting Q18 60-90918 Figure 135. Duplexer www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 23 5 Figure 13 6. Duplexer www.GovTechMedia.com[...]

236 Troubleshooting Q18 60-90918 Sensors and si gnals The f ollowing figures sho w key compon ents, sensor s, and s witches that control t he op eration of the printer . T able 5 5 on page 23 7 sho ws the name o f each sensor , switch, clutch, and sole noid in the prin te r . Figure 137. Paper path and compon ents (see fig ure 13 1, figure 132, and[...]

Q1860-90918 Chapter 7 T roub leshooting 23 7 T able 55. Sensors , switc hes, clutches, and solenoids Sensor Name CL405 Registration roller clutch CL406 Feed roller clutch PS301 T r ay 2 paper sens or PS302 Paper-width sensor PS303 F ace-up tray open sensor PS307 Face-do wn tr a y paper-full sensor PS401 T r ay 1 paper sens or PS402 T op-of-page sen[...]

238 Troubleshooting Q18 60-90918 Figure 139. Printer sensors Figure 140. 250-sheet f eeder sensors www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 23 9 Figure 14 1. 500-sheet feed er sensors Figure 14 2. Duplexer sensors www.GovTechMedia.com[...]

240 Troubleshooting Q18 60-90918 Figure 143. Printer switch es Figure 144. 250-shee t fe ed e r switches www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 24 1 Figure 14 5. 500-sheet feed er switches www.GovTechMedia.com[...]

242 Troubleshooting Q18 60-90918 Figure 146. Motors, fans, and fuser heat ers (see table 56 on pa ge 24 3) www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 24 3 Figure 14 7. Motors (duplexer) T able 56 . Motors, fans, and fuser heaters Symbol Name of symbo l Code Name Motor M1 Main moto r M1501 P aper feeder pick u p mo tor (250-sheet paper feeder) PM1701 Re versing motor (duple xer) PM1702 Side registration guide dr ive motor (duplex er) PM1703 Refeed motor (du[...]

244 Troubleshooting Q18 60-90918 Figure 148. Connectors (main unit) www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 24 5 Figure 14 9. Connectors (d uplexer and 250-sheet paper fe ede r) www.GovTechMedia.com[...]

246 Troubleshooting Q18 60-90918 Figure 150. Connectors (500-shee t paper feeder) www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 24 7 Figure 15 1. PCAs www.GovTechMedia.com[...]

248 Troubleshooting Q18 60-90918 Figure 152. PCA (duplexer) T able 57. PCAs No. Name Function 1 Dc controller Controls the print sequence 2 P ower supply Generates +24 Vdc, +5 Vdc, and +3.4 Vdc and drives the fuser heaters 3 P aper-hand ling PCA Rela ys the signals between sensors, loads, and the dc controller 4 250-sheet paper feeder control PCA C[...]

Q1860-90918 Chapter 7 T roub leshooting 24 9 Figure 15 3. Clutches and so l enoids www.GovTechMedia.com[...]

250 Troubleshooting Q18 60-90918 Figure 154. Clutches and solenoids (duplexer) T able 58. Clutc hes and solenoids Symbol Name of symbol Code Name Clutch CL405 Registration roller clutch CL406 Feed roller clutch Solenoid SL3 06 T ra y 2 pickup solenoid SL404 T ra y 1 pic k up solenoid SL1501 P ape r f eede r pi ck up sol enoid (250-sheet feeder) SL1[...]

Q1860-90918 Chapter 7 T roub leshooting 25 1 T able 59 . Paper-size detec tio n Pa p er P aper-size switches Printer SW403 SW404 SW405 SW406 250F SW1601 SW1602 SW1603 SW1604 500F SW2101 SW2102 SW2103 SW2104 Not installed OFF OFF OFF OFF A3 ON ON OFF OFF A4R OFF ON ON OFF A4 OFF ON OFF OFF A5 OFF OFF ON OFF B4 ON OFF ON OFF B5 ON OFF OFF OFF Ledger [...]

252 Troubleshooting Q18 60-90918 Dc controller inputs and outputs Figure 155. Dc controller I/O (1 o f 4) www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 25 3 Figure 15 6. Dc controller I/O (2 of 4) www.GovTechMedia.com[...]

254 Troubleshooting Q18 60-90918 Figure 157. Dc controller I/O (3 o f 4) www.GovTechMedia.com[...]

Q1860-90918 Chapter 7 T roub leshooting 25 5 Figure 15 8. Dc controller I/O (4 of 4) www.GovTechMedia.com[...]

256 Troubleshooting Q18 60-90918 www.GovTechMedia.com[...]

8 Parts and diagr ams 257 8 P ar ts and diagr ams Overview The diagrams in this chapter identify and locate the pr inter ’ s major subassem blies a nd replacement parts. This chapter discusses the follo wing: Ordering pa rts and supplie s, and getting support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Related do cumen[...]

258 Parts and diagrams Q1860-90918 www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 259 Or dering par ts and supplies, and g etting suppor t Related documentation and software T o order doc um e nt atio n , dr ivers , updated HP pr in te r s of tware, and product an d su pp o r t information, se e the informat ion in chapter 2. Support Or dering par ts All standard part number s listed are stoc ke[...]

260 Parts and diagrams Q1860-90918 Accessories and supplies The f ollowing items are a vailab le through a local, authorized HP dealer or through the HP W eb site — http://www .hp.com. T able 61. Accesso ries and suppli es Description P ar t number Exchange numb er Product numb er 500-sheet paper feeder and tra y Q1866A 250-sheet paper feeder and[...]

Q1860-90918 8 P arts and diagrams 261 Common har dware and replacement cables T able 62. Screws used in the printer Description P ar t number Screw , M4x10 pan head tapping XB4-7401-007CN Screw , M4x8 tr uss head tapping XB4-740 0-807CN Screw , M3x6 washer-head XA9-0267-000CN Screw , M4x16 w/washer XA9-0838-000CN Screw , M4x6 w/sta r washer XA9-026[...]

262 Parts and diagrams Q1860-90918 Diagrams and parts lists Figure 159. Assembly locations (1 of 3) Figure 160. Assembly locations (2 of 3) Upper delivery assembly P aper f eed belt assembly P aper feed r oller assemb ly For m a t te r Main gear assemb ly Pick up gear assembly P owe r supply Dc controller www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 263 Figure 16 1. Assembly locat ions (3 of 3) Registration roller assembly Tr a y 2 T ray 2 pic kup roller Fuser T able 64. Assembli es listed alphabeticall y and their par t number s Description P ar t number Exchange numb er Explode d view in figure Dc controller RG5-7057-000CN Q1860-69005 Figure 176 Fir m ware D[...]

264 Parts and diagrams Q1860-90918 Figure 162. External covers and panels T able 65. Externa l co vers and panels Item number Part number Quan tity Des cription 1 RG5-3547-040CN 1 Cov er, front inner 1A RB1-6134-030C N 1 T ray 1 sensor arm 2 RG5-3548-000CN 1 T ra y 1 paper guide 3 Q1860-67904 1 Cov er , fron t 4 RG5-3550-000CN 1 Cov er , left sid e[...]

Q1860-90918 8 P arts and diagrams 265 Figure 16 3. Upper cover as se mb ly 5E RB2-1977-000CN 1 Strap , rear output suppor t 5Q RG5-3552-000CN 1 Fa ce-up tr a y assembly 6 RB2-1745-000CN 2 Pin, front cov er 7 RB2-1749-000CN 1 Cov er, right side 8 RB2-1747-000CN 1 Cov er, f ace-down auxiliar y 9 RB2-1755-000CN 1 Cov er, right corner 10 RB2-1756-000CN[...]

266 Parts and diagrams Q1860-90918 Figure 164. Internal components (1 of 4) See figure 171 1 See figure 175 www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 267 T able 67. In te rna l co mp o ne n ts (1 of 4) Item number Pa r t number Quantity Description 1 RF5-4119-000C N 1 T ra y 1 separation pad 2 RG5-3520-060C N 1 T ra y 1 paper guide plate assembly 3 RG5-3553-000C N 1 Sensor, rear door 4 RG5-3554-000C N 1 Cable, paper sensor (PS307) 5 RG5-3558-000C N 1 Cable, pape[...]

268 Parts and diagrams Q1860-90918 Figure 165. Internal components (2 of 4) See figure 169 www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 269 T able 68. In te rna l co mp o ne n ts (2 of 4) Item number Pa r t number Quantity Description 1 RG5-3519-020C N 1 Pickup roller assemb ly , T ray 1 1B RB2-1820-020CN 1 Roller , T ra y 1 pickup 2 RG5-3545-000C N 1 P ower inlet assembly 3 RB1-6179-000CN 2 Picku p shaft bushing — tr ays 1 and 2 4 RF5-2421-000C [...]

270 Parts and diagrams Q1860-90918 Figure 166. Internal components (3 of 4) See figure 168 T able 69. Inte rnal components (3 of 4) Item number Part number Quan tity Des cription 1 RF5-4118-000CN 1 T ransf er guide assembly 2 RF5-4117-000CN 2 P ad assemb ly 4 RB2-1732-000C N 1 Do or s witch 5 RB2-1739-000C N 1 Do or s witch spr ing 8 RB1-6251-000C [...]

Q1860-90918 8 P arts and diagrams 271 Figure 16 7. Internal compon en ts (4 of 4) See figure 174 See figure 170 See figure 178 T able 70. In te rna l co mp o ne n ts (4 of 4) Item number Pa r t number Quantity Description 1 RG9-1542-000C N 1 T ransf er roller 3 RG5-3561-000C N 1 Cable (fuser ac) 4 RG5-7072-000C N 1 Cable (scanner) 5 Q1860-69004 1 L[...]

272 Parts and diagrams Q1860-90918 Figure 168. Upper delivery ass embly T able 71. Upper del i very assemb ly Item number Part number Quan tity Des cription RG5-3542-090CN 1 Upper delivery assembly 3 RB2-1980-000C N 1 L e ver , bin-full 8 RS6-0357-0 00CN 1 Gear , deliver y ro ller www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 273 Figure 16 9. Tray 2 paper pickup rolle r assembly T able 72. T ray 2 paper pic kup roller assembl y Item number Pa r t number Quantity Description RG5-3521-020CN 1 P aper pi c k up roller assembly (T ray 2) 4 RB2-1821-020CN 1 Picku p roller 250-sheet trays www.GovTechMedia.com[...]

274 Parts and diagrams Q1860-90918 Figure 170. Paper feed belt ass embly T able 73. P aper feed bel t assembl y Item number Part number Quan tity Des cription RG5-4914-000CN 1 P aper f eed belt assembly 13 RB2-1887-000CN 1 Large feed belt 14 RB2-1888-000CN 2 Small paper feed belts 31 RB2-1905-000CN 1 T r ansf er roller bushing cove r (right) www.Go[...]

Q1860-90918 8 P arts and diagrams 275 Figure 17 1. Paper feed roller assembly T able 74. Paper feed roller assembly Item number Pa r t number Quantity Description RG5-7084-000CN 1 P aper feed roller assembly 7 RB2-1807-000CN 1 Lev er , regi stration sensor 8 RB2-1808-000CN 1 Spring, reg istration sensor www.GovTechMedia.com[...]

276 Parts and diagrams Q1860-90918 Figure 172. Registration roller assembly T able 75. Registrat ion r ol ler assembly Item number Part number Quan tity Des cription RG5-4916-000CN 1 Registration roller assembly www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 277 Figure 17 3. 250-sheet univ ersal tray *A15 T able 76 . 25 0- sh e et un iv ersal tray Item number Pa r t number Quantity Description RG5-7188-030CN 1 250-sheet universal tra y *A15 RB2-2023-000CN 1 Plate, length adjustment 1 RF5-4120-000C N 1 Separation pad (does not include spr ing) 2 RS5-2439-000CN 1 Spring,[...]

278 Parts and diagrams Q1860-90918 Figure 174. Main gear assembly T able 77. Main gear asse mbly Item number Part number Quan tity Des cription RG5-7079-000CN 1 Main gear assembly 5 RB2-1856-0 40CN 1 T oner car tridge engagement ar m 27 XA9-0267-000CN 3 Screw , TP , M3x6 28 RH7-1428-000CN 1 Main motor www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 279 Figure 17 5. Pickup gear as sembly T able 78. Pickup gear as se mbly Item number Pa r t number Quantity Description RG9-1524-000CN 1 Pick up gear assembly 6 XA9-0815-000CN 1 Screw , tp , M3x4 10 RH7-5235-000CN 1 Solenoid , pick up , SL404 www.GovTechMedia.com[...]

280 Parts and diagrams Q1860-90918 Figure 176. PCA assembly locat ions T able 79. PCA assemb ly locations Item number Part number Quan tity Des cription 1 RG5-7058-000CN 1 P aper hand ling PCA 2 Q1860-69005 1 Dc controller 3 Q1860-69006 1 P ower supply (100 - 120V) 3 Q1860-69007 1 P ower supply (220 - 240V) www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 281 Figure 17 7. Printer controller assembly See figure 176 T able 80. Pri n te r co n troller assem bly Item number Pa r t number Quantity Description 6 RB2-1790-000CN 1 Sensor mount (rear of controller pan) 7 RB2-1791-000CN 1 Sensor lev er 9 RH2-5337-000CN 1 Flat cable www.GovTechMedia.com[...]

282 Parts and diagrams Q1860-90918 Figure 178. Fuser T able 81. Fuser Item number Part number Quan tity Des cription Q1860-69008 1 F user, e xchange (100-120V) Q1860-69009 1 F user, e xchange (220-240V) www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 283 Figure 17 9. 250-sheet feed er T able 82 . 25 0- sh e et feeder Item number Pa r t number Quantity Description (not shown) RG5-7188-030CN 1 250-sheet universal tra y 1 RG5-7184-000C N 1 Feeder controller PCA, 2 50-sheet feeder 4 RB1-7499-000CN 1 Roller , feed, 250-sheet feeder 7 RB1-7503-000CN 1 Spring, tray-si[...]

284 Parts and diagrams Q1860-90918 Figure 180. PCA assembly locatio ns, 250-sheet feeder T able 83. 250- sheet feede r Item number Part number Quan tity Des cription 1 RG5-7184-000CN 1 F eeder control PCA, 250-sheet feeder 2 RG5-2125-000CN 1 P aper-size switch PCA, 250-sheet f eeder www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 285 Figure 18 1. 500-sheet feed er (1 of 2) T able 84 . 50 0- sh e et feeder (1 of 2) Item number Pa r t number Quantity Description (not shown) RG5-7164-000CN 1 500-sheet replacement tray (not shown) C4117-69001 1 500 -sheet replacement tray (e xchange) 2 RB3-0441-000CN 1 T ray cov er , rear of 500-sheet feeder 4 [...]

286 Parts and diagrams Q1860-90918 Figure 182. 500-sheet fee der (2 of 2) www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 287 T able 85 . 50 0- sh e et feeder (2 of 2) Item number Pa r t number Quantity Description (not shown) RG5-7164-000CN 1 500-sheet replacement tray 1 RG5-7194-000C N 1 Paper pic kup drive assembly 3 RB2-3314-000CN 1 Joint 4 RG5-7198-000C N 1 Upper con tact cable 6 RB2-3232-000CN 1 Feed roller 7H RF5-4151-000CN 1 T[...]

288 Parts and diagrams Q1860-90918 Figure 183. PCA assemblies, 500 -sheet feeder T able 86. 500- sheet feede r Item number Part number Quan tity Des cription 1 RG5-7197-000CN 1 F eeder controller PCA, 500-sheet feeder 2 RG5-4212-020CN 1 P aper-size switch PCA, 500-sheet f eeder www.GovTechMedia.com[...]

Q1860-90918 8 P arts and diagrams 289 Figure 18 4. Duplexer T able 87. Du pl exer Item number Pa r t number Quantity Description Q1860-69010 1 Duplex er www.GovTechMedia.com[...]

290 Parts and diagrams Q1860-90918 Alphabetical parts list T able 88. Alphabe tical parts list Description P ar t number Figure and page Duplex er Q1860-69010 Figure 184 on page 28 9 F eeder controller PCA, 500-sheet feeder RG5-7197-000CN F igu re 183 on page 288 P aper-size switch PCA, 500-sheet f ee der RG5-4212-020CN Figure 183 on page 28 8 500-[...]

Q1860-90918 8 P arts and diagrams 291 T oner car tridge engagement ar m RB2-1856-040CN Figure 17 4 on pag e 278 Screw , TP , M3x6 XA9-0267-000CN Figure 174 on page 278 Main motor RH7-1428-000CN Fi gure 174 on page 278 250-sheet universal tra y RG5-7188-030C N Figure 173 on page 277 Plate, length adjustment RB2-2023-00 0CN Figure 173 on page 277 Sep[...]

292 Parts and diagrams Q1860-90918 Gear , pickup , T ra y 1 RB1-6130-000CN Figu r e 165 on page 268 Pickup shaft bushing — trays 1 and 2 RB1-6177-000CN Figure 165 on page 268 Switch rod RB2-1731-000CN Figu r e 165 on page 268 Grounding plate/fan housing RB3-0352 -000C N Figure 165 on page 268 Grounding plate RB2-1736-000CN Figure 165 on page 268 [...]

Q1860-90918 8 P arts and diagrams 293 T oner car tridge door assembly RG5- 3556 -040CN Figure 163 on pag e 265 Control panel assembly RG5-5438-030CN Figure 163 on page 265 Cov er, control panel LED RB2-1758-000CN Figure 163 on page 265 Cov er, front inner RG5-3547-040CN Figure 162 on page 264 T ra y 1 sensor ar m RB1-6134-030CN Figure 162 on pag e [...]

294 Parts and diagrams Q1860-90918 Numerical par ts list T able 89. Numerical pa r ts list P ar t number Description Figure and page Q1860-67904 Cover , front Figure 162 on page 26 4 Q1860-69005 Dc controller Figure 176 on page 28 0 Q1860-69010 Duplex er Figure 184 on page 28 9 Q1860-69008 Fuser , exchange (100-120V) Figure 178 on page 282 Q1860-69[...]

Q1860-90918 8 P arts and diagrams 295 RB2-1791-000CN Sensor lev er Figure 177 on page 281 RB2-1807-000CN Lev er, registration sensor Figure 171 on page 275 RB2-1808-000CN Spr ing, registration sensor Figure 171 on pag e 275 RB2-1820-020CN Roller, T ra y 1 pickup Figure 165 on page 268 RB2-1821-020CN Pickup roller 250-sheet tra ys Figure 16 9 on pag[...]

296 Parts and diagrams Q1860-90918 RG5-3548-000CN T ray 1 p aper guide Figure 162 on page 264 RG5-3550-000CN Cover , left side Figure 162 on page 264 RG5-3551-040CN Cover , rear Figure 162 on page 264 RG5-3552-000CN Face-up tr ay a ssembly Figure 162 on page 264 RG5-3553-000CN Sen sor , rear door Figure 164 on page 266 RG5-3554-000CN Ca ble, paper [...]

Q1860-90918 8 P arts and diagrams 297 RS5-2439-000CN Spr ing, separation pad Figure 17 3 on page 277 RS5-2441-000CN Spr ing, compression Figure 164 on page 266 RS5-2632-000CN Spr ing, tension Figure 182 on page 286 RS6-0357-000CN Gear, d elivery roller Figure 168 on page 272 RS6-0357-000CN Gear , lo w er de liv e ry shaft Figure 164 on pag e 266 WG[...]

298 Parts and diagrams Q1860-90918 www.GovTechMedia.com[...]

Q1860-90918 Index 299 Inde x Numerics 10/100Base-TX, turning menu on and off 57 250-sheet feeder clutches 249 comparison by model 18 connectors 245 control PCA, removing and replacing 171 features 16 location of components 229, 230 motors, fans, and fuser heaters 242 paper feeder control PCA 248 paper sensor 237 paper-size spring assembly, removing[...]

300 Index Q1860-90 918 Attention light on control panel 42 authorized dealers, locating 260 authorized resellers and support 37 auto continue feature description 80 setting 54 B B4 (JIS) paper specifications 25 B5 paper specifications 25 backlight on control panel, turning on and off 53 bidirectional communication description 81 interface features [...]

Q1860-90918 Index 301 control panel overlay, removing and replacing 117 control PCA, 250-sheet feeder, removing and replacing 171 copies selecting number 46 setting default 51 Courier font, setting 52 covers cleaning 66 front, removing and replacing 120 left corner, removing and replacing 126 left front corner, removing and replacing 177 left side,[...]

302 Index Q1860-90 918 EIO bad transmission 197 buffer overflow 197 card failure 193 hard disk failure 193 hard disk feature 16 installing cards 110 menu on control panel 56 slots 16 troubleshooting 225 electrophotographic process 224 embedded Web server 260 Energy Star program 34 engine test 63, 190 engine-test print switch 237 enhanced I/O cards.[...]

Q1860-90918 Index 303 fuser cleaning 66 error 198 expected life 6 8 film 89 heater 89 monitoring and controlling roller temperature 73 power connection 114 removing and replacing 114 fuser heaters 243 fuser mode setting 90 turning on and off 48 fuser paper-delivery sensor 97, 237 fuser roller thermistor 237 fuser thermal switch 237 fusing process 8[...]

304 Index Q1860-90 918 K keys on control panel 43 kit for maintenance 260 L labels guidelines for using 29 specifications 25 labels on printer for identification 19 LAN manager 16 landscape orientation, setting 51 languages displayed on configuration page 206 not available for print job 193 setting default for pr inter 53 setting for control panel [...]

Q1860-90918 Index 305 N NetWare. See Novel NetWare operating systems networks compatibility 16 configuring parameters 56 Novell NetWare operating systems compatibility 16 turning IPX/SPX protocol stack on and off 56 numbers phone support 36 NVRAM clearing 63 full 200 problem 200 O offline, placing printer 43 online, placing printer 43 operating env[...]

306 Index Q1860-90 918 pickup drive assembly 262 pickup gear assembly, removing and replacing 136 pickup rollers 500-sheet feeder, removing and replacing 179 pickup, 250-sheet feeder, removing and replacing 169 PJL (Printer Job Language) 81 PML (Printer Management Language) 81 portrait orientation, setting 51 PostScript (PS) fonts 16 power connecti[...]

Q1860-90918 Index 307 remanufactured assemblies 36 removal/replacement strategy 111 removing loose toner 111 See also individual parts removing parts order of removal 1 12 repair assistance 38 process 36 repetitive defect ruler 223 repetitive defects on paper 220 replacement ordering parts 25 9 replacing parts order of removal 1 12 replacing. See i[...]

308 Index Q1860-90 918 space requirements 21 spacing, setting for printing 51 specifications acoustics 24 environmental 20, 24 paper 25 power 20 site 20 space 21 weight 23 specks on paper 221 speed effect of EconoMode 79 increasing print 80 printer 16 processors 16 setting for data transmission 55 setting for parallel communication 64 smaller-size [...]

Q1860-90918 Index 309 Tray 1 features 16 inner cover, removing and replacing 124 lift plate, removing and replacing 154 paper guide plate assembly 127 paper sensor 237 paper specifications 25 pickup roller, expected life 68 pickup solenoid 237, 250 pickup solenoid, removing and replacing 137 printing from 92 removing and replacing 120 roller, remov[...]

310 Index Q1860-90 918 websites Energy Star program 34 HP Connect Online 259 HP Customer Care Online 259 HP Partner Care 37 Material Safety Data Sheets 33 support 37, 259 weight equivalences for different paper 28 paper in 250-sheet feeder 25 paper in 500-sheet feeder 26 paper in duplexer 26 paper in Tray 1 25 paper in Tray 2 25 printer 23 white li[...]

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copy ri ght 2002 Hew let t-P ack ard Com pany © http://www .hp .com/support/lj5100 www.GovTechMedia.com[...]