HP (Hewlett-Packard) 6L Gold manual

® ® Service Manual English 8.268” (A4 Width) X 11” (Letter Height) Front Cover 8.268” (A4 Width) X 11” (Letter Height) Back Cover LaserJet 5L/6L/6L Gold/6L Pro HP Printer *C8060-90903* *C * 8060-90903 C8060-90903 © Copyright 2000 Hewlett-P ackard Co. Printed in USA Manual Part No. C8060-90903 Printed on at least 50% T otal Recycled Fiber[...]

[...]

HP LaserJet 5L/6L/6L Go ld/6L Pro Printer Service Man ual ________ _____ Service.book Page 1 Thursday, September 14, 2000 11:15 AM[...]

Hewlett-P ackard Company 11311 Chinden Boule vard Boise, Idaho 83714 U.S. A. © Co p y r i ght H e wle t t - P a c kard Co m pa n y , 2002 All Rights Reser ved. Reproduction, adaptation, or translation without prior written permiss ion is prohibited, except as allowed under the cop yr ight laws. P art number : C8060-90903 Second Edi t i o n , Febru[...]

EN 3 Convention s This is a com bined Ser vice Manual f or the HP Laser Jet 5L, 6L, 6L G old, and 6L Pr o printers. The HP LaserJet 6 L Gold share s the same c haracteristic s as the HP LaserJet 6L. For the pur pos es of this manual, t he “HP LaserJ et 6L” refers to both t he 6L and th e 6L Gold . This m anual uses the f ollowing c onv entions [...]

4 EN Service.book Page 4 Thursday, September 14, 2000 11:15 AM[...]

Content s 5 Contents 1 Product information Chapter cont ents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Printer fe atures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Identific ation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 HP L[...]

6 EN 4 Printer maintenanc e Chapter cont ents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 7 Life expe ctancy of con sumables . . . . . . . . . . . . . . . . . . . . . . . . . . .48 Toner cartri dge life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49 Saving toner with Ec onoMode . . .[...]

EN 7 Pressure Ro ller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 Face-Up/Face-D own Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Fuser Exi t Roller Assembl y . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Paper E xit Sensor Flag . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

8 EN Appendix B Regulatory information Laser Safe ty (U.S.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177 Laser State ment (Finlan d) . . . . . . . . . . . . . . . . . . . . . . . . . . . .178 Toner safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 9 Ozone emi ssion . . . . . . . .[...]

Content s 9 Figures Figure 1-1 HP LaserJet 5L model and se rial numbers . . . . . . . . . . . . . . . . . . . . . . 15 Figure 1-2 HP LaserJet 6L model and se rial numbers . . . . . . . . . . . . . . . . . . . . . . 16 Figure 1- 3 HP LaserJet 6L Pr o model and serial numbers . . . . . . . . . . . . . . . . . . . 17 Figure 1-4 Front/sid e views of th[...]

10 EN Figure 6-31 Kick Plat e removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102 Figure 6-32 Kick Plat e Spring replaceme nt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 Figure 6-33 Separation Pad removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 Figure 6-[...]

Contents 11 Ta b l e s Table 1-1 Printer Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 1-2 Printer Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 1-3 Performance specifications . . . . . . . . . . . . . . . [...]

12 EN Service.book Page 12 Thursday, September 14, 2000 11:15 AM[...]

EN Chapter co ntents 13 1 Product inf or mation Chapter contents Pri nter f eatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 P aper capac ities and si zes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

14 Produc t informa tion EN Printer features Note All re f erence s in this m anual to the HP LaserJet 6L prin ter also apply to the HP LaserJe t 6L Gold pri nter . P aper capacities and sizes T able 1-1 Printer Features Featur e Description Print Speed 4 ppm (HP L aserJet 5L); 6 ppm (HP Las erJet 6L/6L G old and HP LaserJet 6L Pr o) T ext and G ra[...]

EN Ident ificatio n 15 Identification HP LaserJet 6L Gold The HP L aserJet 6L Gold sh ares the sa me character istic s as the H P LaserJe t 6L. For the pur pose s this manual, “ HP LaserJ et 6L ” refers to both the 6L and the 6L Gold. Model and serial The model number and seri al numbers are lis ted on Identifi cation Label s located on the bot[...]

16 Produc t informa tion EN Figure 1-2 HP Laser Jet 6L model and serial numbers Service.book Page 16 Thursday, September 14, 2000 11:15 AM[...]

EN Ident ificatio n 17 Figure 1-3 HP Laser Jet 6L Pro model and serial numbe rs Service.book Page 17 Thursday, September 14, 2000 11:15 AM[...]

18 Produc t informa tion EN Specifications T able 1-3 Perf orm ance specif ications Category Specificati on Print Speed 1 : HP LaserJet 5 L Print Speed: HP LaserJet 6L Print Speed: HP LaserJet 6L Pro 1. Actual speed depends on data complexity and s oftware handling efficiency. 4 ppm 6 ppm 6 ppm Monthly Usage (Du ty Cycle): HP LaserJet 5L Monthly Us[...]

EN Produc t ov er view 19 Pr oduct overview Figure 1-4 Fr ont/side views of the printer 1 P aper Inp ut Suppor t (no t present on the HP Las erJet 6L Pro ) 2 P aper O utput Suppor t (not pres ent on the HP LaserJe t 6L Pro) 3 Pa p e r G u i d e s 4 Error ( top) Indica tor Light 5 Data (mid dle) Indicator Light 6 Ready (botto m) Indicato r Light 7 C[...]

20 Produc t informa tion EN Figure 1-5 Fr ont door assemblies 14 P aper Rel ease Lev er 15 T oner Car tri dge Compar tm ent 16 T ransf er Roller ( do not tou ch) 17 EP Do or 14 16 17 15 Service.book Page 20 Thursday, September 14, 2000 11:15 AM[...]

EN Produc t ov er view 21 Figure 1-6 Ba ck vi ew o f th e pri nt er 18 P o wer Cab le Connector 19 P arallel C able Connector 20 Memor y Exp ansion Cover (not present on the HP L aserJet 6L Pro) 20 19 18 Service.book Page 21 Thursday, September 14, 2000 11:15 AM[...]

22 Produc t informa tion EN Service approach Repair o f the pri nter nor mally be gins with the use of the printer ’ s inter nal dia gnostic s in conjun ction with the tr oubleshooting pr ocedures in Chapter 7. Once a faulty par t i s located, rep air is gene rally accompl ished by assem b ly le vel repla cement of F ield Replace able Units (FRUs[...]

EN T ec hnical ass istance 23 T echnical assistance HP Customer Care Along wi th your product, y ou re ceive a v ar iety of su ppor t ser vic es from Hewlett-Pac kard a nd our suppor t par tne rs designe d to give you the results you need, quickly an d prof e ssionally . Online Servi ces: f or 24- hour access to information ov er your Internet conn[...]

24 Produc t informa tion EN Customer Care options w orldwide HP Customer Care and Product Repair Assistance f or the U .S. and Canada: Call (208) 323-2551 in the United States or (905) 206-4663 i n Canada Monday through F riday 6 am to 10 pm and Saturday 9 am to 4 pm (Mountain Time) free of charge during the warranty period. How ev er , your standa[...]

EN T ec hnical ass istance 25 HP w orld wide sales and s er vice offices Argentina A ustralia A ustria Hewlett-P ackard Argentina Monta ñ eses 2140 1428 Buenos Aires Phone: (54) (1) 787-7115 F ax: (54) (1) 787-7287 Hewlett-P ackard Head offi ce Hewlett-P ackard A ustralia Ltd. 31-41 Joseph Street Blackb urn, VIC 3130 Phone: (61) (3) 9272-2895 F ax[...]

26 Produc t informa tion EN India Indonesia Israel Hewlett-P ackard India Ltd. Chandiwala Estate Maa Anandmai Marg Kalkaji, New Delhi - 110019 Phone: (91 11) 682-6000, (91 11) 682-6035 F ax: (91 11) 682-6030 Hardware Repair Center and Extended Warr anty Suppor t: Phone: (91 11) 682-6042 Customer Information Center : Phone: (91 11) 682-6000 or (91 1[...]

EN T ec hnical ass istance 27 Russian Federation Singapore Spain Hewlett-P ackard Company Representative Office K osmodam ianskaya naberezhna ya 52, Building 1 113054 Moscow Phone: (7) (0) 95 797-3500 F ax: (7) ( 0) 95 797-3501 Hewlett-P ackard Singapore (Ser vice) Pte Ltd 438A Alexandr a Road Blk A Alex a ndra T echnopar k #02-08 Singapore 119967 [...]

28 Produc t informa tion EN W arranty 1 HP warrants to you the e nd-user cus tomer , that HP hardware, accessor ies and supplies, wil l be free fro m def ect s in mater ials and workma nship afte r the date of p urchase, for the peri od specifi ed above . If HP receives notice of such defects du ring the warranty perio d, HP will, at its option , e[...]

EN W arranty 29 HP LaserJet T oner Cartridge warranty HP Laser Jet T oner Car tr idges are warranted to be free from defects in mater ials and wo rkmanshi p until the HP toner is depleted. Y ou know your HP ton er is depleted when you begin to see faded or light ty pe on your pr inted page. The warranty , e xtende d f or the lif e of the car tr idg[...]

30 Produc t informa tion EN Service.book Page 30 Thursday, September 14, 2000 11:15 AM[...]

EN Chapter co ntents 31 2 Site requirements Chapter contents Site requi rements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Operating environm ent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2 Pri nter sp[...]

32 Site req uirements EN Site requirements Operating en vir onment The environme ntal requirem ents listed in the table below must be maintaine d to ensure the proper operation o f this pri nter . Consider th e f ollowing points before install ing the pr inter : l Install in a well-ve ntilated, dust-free area. l Install on a hard, fla t and continu[...]

EN Pri nter space requi rements 33 Printer space requirements Figure 2-1 Printer space requirements Legal ( paper guide not pres ent on HP Las erJet 6L Pr o) A4 Letter 311.2 mm 335.5 mm 227.5 mm 327.5 mm 445.3 mm T able 2-2 Printer dimensions Desc ription Dimen sion Width 33 5.5 mm (13.2 i nches) Dep th 311.2 mm (12.3 inches ) Heig ht (stora ge) (o[...]

34 Site req uirements EN The HP C3906A/F T oner Car tridg e T oner Car tr idges con tain comp onents that ar e sensitive to ligh t, temperature, and hum idity . F ollow the reco mmendatio ns in this s ection to en sure the highest qual ity and l ongest life of HP T oner Car tri dges. K eep th e printe r within the following envir onmental con ditio[...]

EN The HP C3906A /F T oner Car tri dge 35 T oner cartri dg e handl ing suggestio ns l Before install ing a car tr idge, distr ibute the toner e venly by rotating th e car tri dge back and for th five to six times. (Se e Figure 2 -2.) Repeat t his action when toner beg ins to r un low . Figure 2-2 T oner car tridge distribu tion l Do not touch the s[...]

36 Site req uirements EN Service.book Page 36 Thursday, September 14, 2000 11:15 AM[...]

EN Chapter co ntents 37 3 Oper ating o v er vie w Chapter contents Using the Control Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Control Panel la yout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Indica[...]

38 Operating ov er vi ew EN Using the Co ntr ol P anel Contr ol P anel lay out The Control P anel is loc ated on the fr ont of the pr inter and consists o f one button and thr ee indicator lights. These lig hts can be i n only on e of the following state s: Indica tor lig hts The Indi cator Light s provide a qu ick wa y to check the pr inter ’ s [...]

EN Using th e Control Panel 39 Data Light is blink ing Printer is in Manual Feed mode. Make sure that the correct paper is loaded. Then, press and release the Control P anel Button to print. Error Light remains on Printer is out of paper . Print er ’ s EP door is open. Printer has a paper jam. T oner Car tridge is either missing or not installed [...]

40 Operating ov er vi ew EN The Control P a nel Button Depending on what sta te the pr inter is in, pressin g the Contr ol P anel Bu tton allows you to contr ol pri nting tasks by e ither star ti ng or resu ming a pr inter fu nction. Use t he Control Panel Button to accompl ish the following tas ks: T abl e 3-2 Con trol Pane l But ton usag e Functi[...]

EN Pri nting a sel f-test page 41 Prin ting a self- test pa ge A self-tes t page ca n be usefu l in troubleshootin g printe r problems and deter mining whic h f onts h a ve been downloade d to the pr inter . Figure 3-1 Self-tes t page for HP La serJet 5L Service.book Page 41 Thursday, September 14, 2000 11:15 AM[...]

42 Operating ov er vi ew EN Figure 3-2 Self-tes t page for HP La serJet 6L Service.book Page 42 Thursday, September 14, 2000 11:15 AM[...]

EN Pri nting a sel f-test page 43 Figure 3-3 Self-tes t page for HP La serJet 6L Pro The self- test page lists the cu rrent pr inter confi guration. (If a ny f onts have been downloaded to the pri nter a seco nd page wil l prin t.) T o print a self-test page: 1 Make sure the Rea dy (bottom) Light is on , and all other lights ar e off. W a ke up the[...]

44 Operating ov er vi ew EN Continuous self test Note The HP L aserJet 6L Pro does no t suppor t th e continuous s elf test. A cont inuous se lf test ca n be useful for troubleshoo ting paper path and othe r problems. T o pri nt a continuous self tes t: 1 Disconn ect the pr inter from the power source. 2 Press and hold down the C ontrol Panel Butto[...]

EN Resetting the pr inter 45 Resetting the prin ter Resett ing the pr inter ac complish es the following: l Clears all data from the pri nter ’ s memor y (inc luding u nprinte d data, downloaded fonts, and macros) . l Stops any pr inting that is taki ng place and ejects the p age. l Remov es some err or conditi ons. l Resets th e printe r to its [...]

46 Operating ov er vi ew EN Service.book Page 46 Thursday, September 14, 2000 11:15 AM[...]

EN Chapter co ntents 47 4 Pr inter maintenance Chapter contents Lif e expectancy of consumables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 8 T oner car tr idge life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Sa[...]

48 Printer maintena nce EN Life e xpectancy of consumables Always inspe ct the components listed in T a b le 4-1 f or wear when ser vic ing the pr inter . Replace thes e componen ts as nee ded, based on pri nter failures or wear , not str ictly on u sage. T able 4-1 Life expectancy o f consumables Desc ription Estimated Life (pages) Rem arks T oner[...]

EN T oner car tr idge life 49 T oner ca rtridg e life The tone r car tr idge has been desi gned to si mplify the r eplacemen t of the pr inter ’ s ma jor par ts. T he toner ca r trid ge contai ns the pr inting mec hanism a nd a supply of toner . When using a typical word- processi ng appli cation, a toner car tridg e will pr int approximatel y 25[...]

50 Printer maintena nce EN Refilled toner cartridg es While Hewlett- P ac kard does n ot prohibit the use of re filled ton er car tr idges d uring th e warranty peri od or while und er a mainten ance con tract, we do not reco mmend thei r use. The reas ons f or thi s are: l Hewlett-P ackard has no control or process t o ensure that a ref illed tone[...]

EN Cleaning the pr inter 51 Cleaning the printer T o maintain th e pri nt quality , thoroug hly clean t he pr inter : l Every ti me you change the toner ca r trid ge. l After pr inting a pprox imately 2,50 0 pages. l Whenev er pr int qual ity problems occ ur . Clean the outside o f the pri nter with a lightly water- dampened cloth. Clean the insi d[...]

52 Printer maintena nce EN Figure 4-2 Static Eli minator T eeth (lo cated in front of t he transfer r oller) Cleaning spilled toner Defectiv e tone r car tr idges can d e velop leaks. In addition, after a paper jam has oc curred, ther e ma y be some t oner rema ining on the rollers and guides i nside the pr inter . Th e pages that p rint immediat e[...]

EN Chapter co ntents 53 5 Functional o v er vie w Chapter contents Basic pr inter fu nctions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 DC Controller/p ow er system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 [...]

54 Functio nal overvie w EN Basi c print er funct ions This cha pter prese nts a generalized fun ctional over vie w of the pr inter and the pri nting proce sses. The following pri nter systems are discussed : l DC Controller System/ Po wer System l F or matte r Syst em l Image For mation Sys tem l P ape r F eed Sys tem l Laser/S ca nne r Syst em Fi[...]

EN DC Control ler/power system 55 DC Contr oller/power system The DC Controller PCA coo rdinates al l prin t engine ac tivities, dr ives the lase r , and coor dinates p rint data from the For matter PCA wi th the image formati on process. The DC Controll er also incl udes both A C an d DC power supply and distribution ci rcuitr y . The D C Controll[...]

56 Functio nal overvie w EN Print engine contr ol system Laser and scanner drive Base d on informati on received fro m the F ormatt er , the DC Contr oller sen ds signals to the Laser / Scanner Assembly to modu late the la ser dio de ON and OFF and to dr ive the Laser/S canner motor . Ref e r to “ I mage formation system ” la ter in this ch ap [...]

EN DC Control ler/power system 57 DC power di stribution The DC power distr ibution circ uitr y , locate d on the DC Co ntroller PCA , distr ibutes +5 V DC and +1 2 V DC as f ollows: Overcurrent/o verv oltage p r otection There ar e two ov er voltage/ov ercurrent devices in this pr inter : l Fuse F101 provides ov ercur rent protec tion for the fu s[...]

58 Functio nal overvie w EN Formatter system The Forma tter PCA is responsi b le for the following: l Receiving and proces sing pr int data from the pr inter interface. l Monitor ing Con trol P ane l Button a nd relaying prin ter statu s inf ormatio n. l Dev eloping an d coordinat ing data plac ement and timing with th e print e ngine. l Stor ing f[...]

EN F or matter sys tem 59 Resolution Enhancement tec hnology ( REt) The Form atter PCA c ontains ci rcuitr y for Resolu tion Enha ncement tec hnology (REt), whic h modifie s the standa rd video do t data on i ts wa y to the DC Controller to produce smoothed b lack-to-whi te boundar ies. REt is use r-adjustable from som e software appli cations. A v[...]

60 Functio nal overvie w EN P age Pr otect P age c omplexity (rul es, complex graphics, or den se text) may e xceed the prin ter ‘ s abil ity to cre ate the page i mage fast enough to k eep pac e with the Image Format ion process. If Page Protect is disabled and a page is too complex, the page ma y pr int in p ar ts (f or e xample, the top half o[...]

EN Image formati on system 61 Image formation system Laser p rinting requires the interactio n of se veral different techno logies (suc h as electron ics, optics, and elec trophotographic s) to provide a p rint ed page. Each process func tions in dependently and must be coo rdinated wit h the other printer p rocesses. Ima ge f or mation c onsists o[...]

62 Functio nal overvie w EN Step 1: Drum c leaning The cleani ng blade is in co ntact with the s urface of the dr um at all time s. As the dr um rotates du ring pri nting, e xc ess toner wipe d off and s tored in the waste toner rece ptacle. Step 2: Drum conditioning After the drum is physically c leaned, it mu st be conditi oned. Th is process con[...]

EN P ape r f eed system 63 P aper feed system Both the Paper Input T ray and the S ingle Sheet I nput Slot merge into on e, main in put area. Paper placed in e ither of thes e areas ena b les the P aper Out S ensor (sens or 202), wh ich informs the DC Cont roll e r that pape r is pr es ent. When the p rin ter receives a pr int job an d is ready to [...]

64 Functio nal overvie w EN Figure 5- 6 shows the loc ations of the photosens ors, s witch es, solenoi d, and other i mpor tant pr inter elements. T able 5-1 de scribes the function of each ph otosenso r and the sol enoid. Figure 5-6 Solenoid and sensors PS204 ( 5L only) SW101 PS202 PS203 SL1 Dr iv e U nit Main Moto r For ma t te r SW201 PS201 DC C[...]

EN P ape r f eed system 65 P aper jam detection The Paper Out Sensor (PS202), Paper Registration S ensor (P S203), and t he P aper Ex it Sensor (PS201 ) detect when paper is m oving through th e pri nter . (See Figu re 5-5 for roller and s ensor locatio ns.) If a paper j am is detec ted, the DC Co ntroller imm ediately sto ps the pr inting pro cess[...]

66 Functio nal overvie w EN Basic seque nce of operation The Forma tter PCA and the DC Contr oller PCA share infor mation dur ing pr inter op eration. The DC Controll er-to-Formatte r Connector (J20 1) f or ms a link that operates as a ser ial data bus. This allows pri nter status, com mand informa tion, and d ot-image data to be pas sed between th[...]

EN Basic sequence o f operation 67 Figure 5-7 General timing diagram - HP Laser Jet 5L Service.book Page 67 Thursday, September 14, 2000 11:15 AM[...]

68 Functio nal overvie w EN Figure 5-8 General timing diagram - HP Laser Jet 6L and HP LaserJet 6L ProSL Service.book Page 68 Thursday, September 14, 2000 11:15 AM[...]

EN Chapter co ntents 69 6 Remo v al and replacement Chapter contents Remov al a nd replacem ent strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Required tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 [...]

70 Remova l and repla cement EN Remo val and replacement strategy This cha pter docu ments removal and repl acement of Field Replac eable Units (FRUs) only . Replacem ent is ge nerally the rev erse o f removal. Occasi onally , no tes are inc luded to pr ov ide directi on f or difficult or critic al repla cement proc edures. W ARNING! Unp lug the po[...]

EN Requ ired t ools 71 Requ ired to ols l #2 Phillips sc rewdr iver with a magnetic tip l small fl athead sc rewdriver l needlenos e pli ers CA UTION A P osiDri v screwdriver will dam age the pr inter ’ s scre w heads . Use Philli ps only . Figure 6- 1 shows the diff ere nce between a Phillips and a P osiDr iv scr ewdriver . Note that a Phillips [...]

72 Remova l and repla cement EN Installing mem ory cards (DRAM) Note The HP L aserJet 6L Pro does no t suppor t memo r y upgrades. 1 Unplug the power cord from the pr inter . Y ou should not i nstall a memor y car d while th e pr inter is in SleepMo de. 2 Open the Printer Do or , remov e the toner car t ridge, and c lose the Pri nter Door . Protec [...]

EN Cov ers and door s 73 Co vers and doors Bac k Cove r 1 Unplug the pow e r cord and r emov e the p arallel cable from the b ack of the pr inter . 2 Remov e the tone r car t r id ge. 3 Lift the Inp ut Extender assembly . CA UTION Y ou must lift the Input Exten der when the cov ers are removed or it will break. After you hav e remov ed the covers, [...]

74 Remova l and repla cement EN 5 Separate the r ear panel from th e main cov er , pullin g the lower cor ners awa y from the pri nter first. Then, i nser t the small flath ead screwdr iv er into th e opening s at the top to pop th e upper co rn ers (Fig ure 6-3 , call out 1). 6 Remov e the cover b y gr abbing it on bot h sides a nd pullin g it str[...]

EN Cov ers and door s 75 EP Door Assemb l y 1 Unplug the pow e r cord and r emov e the p arallel cable from the b ack of the pr inter . 2 Open the EP Door . 3 Remov e the tone r car t r id ge. 4 There is a flex point along th e door hinge. F irmly press the l eft tab inward to r elease it ( Figure 6- 4). The r ight tab wi ll fall out easily . Figur[...]

76 Remova l and repla cement EN Memory Door Note This p rocedure does not apply to the HP Las erJet 6L Pr o . That model do es not have a Memor y Door . 1 Unplug the pow e r cord and r emov e the p arallel cable from the b ack of the pr inter . 2 Remov e the tone r car t r id ge. 3 Gently tip the pr inter onto i ts side so that the Con trol P anel [...]

EN Cov ers and door s 77 Main Cover and P aper Input Assem b l y 1 Remov e the tone r car t r id ge. 2 Remov e mem or y door ( HP LaserJe t 5L and 6L ). CA UTION Remov e the memor y door fi rst (HP LaserJ et 5L and 6 L). The door w ill brea k if you remove the Main Cov er wit hout removing the me mor y door . 3 Remov e the EP Door Asse mbl y . 4 R [...]

78 Remova l and repla cement EN Internal assemblies Contr ol P anel Pr ocedure for HP LaserJet 5L and 6L 1 Remov e the Printer Cov ers. 2 Use the ne edlenose pliers to re lease the Control Panel connector ( Figure 6-7,c allout 1). 3 Press the t ab on the top o f the Contro l P anel downward (Figu re 6-7, callou t 2). The Cont rol P anel will pop ou[...]

EN Inter nal assem b lie s 79 Exit Roller Assem bl y 1 R em o ve P r i n te r C o ver s . 2 Grasp both ta bs at the l ow er e nds of the Ex it Roller bushings and pull in ward. This wil l release the tabs fr om the pr inter cha ssis (Figur e 6-8, call out 1). 3 Rotate the ta bs 90 degree s , cl ear of the printe r chassis (Fig ure 6-8, callout 2). [...]

80 Remova l and repla cement EN Delivery Assembl y 1 Remov e the Pri nter Cov ers an d Exit Rolle r Assembly . 2 Remov e the EP Right-ha nd assembly by pressing i nward on the tab ( Figure 6-9, cal lout 1) and slidin g the assembly toward the front of the pr inter (Figure 6-9 , callout 2). Note The EP Rig ht-Hand ass embly must be removed to access[...]

EN Inter nal assem b lie s 81 3 Use the ma gnetic screwdr iv er t o remov e the ( 2) screws (Figu re 6-10, call out 1). 4 Rotate the r ear of the Del iv er y As sembly up and forw a rd, then lift it o ut of the pr inter . Figure 6-10 Delivery Assembly remo val (2 of 2) Note When re installing the Delivery Assembly , make sure that the tabs on the f[...]

82 Remova l and repla cement EN Fuser Press ure Plate 1 Remov e Printe r Cov ers an d Deliver y Assembly (Figu res 6-9 an d 6-10). 2 Remov e the (2) screws (Fig ure 6-11, c allout 1). 3 Press the Fuser Pl ate retainer c lips out to release the Pressur e Plate (Fig ure 6-11, c allout 2). 4 Rotate the p late around a nd toward the back. Lift up to re[...]

EN Inter nal assem b lie s 83 T o reinstall The Fuse r Press ure Plate i s k ept in pla ce by f our locking mechani sms in each cor ner . Place the r ear slits i n the plate over the rear brackets that hold the Fu sing Assem b ly (Figure 6-12 , callout 1). L ow er the plate over the reta ining cl ips, pressi ng on both sid es of the Fu ser Pres sur[...]

84 Remova l and repla cement EN Heating Elem ent 1 Remov e Pr inter C ov ers, Delivery A ssembly (Figure s 6-9 and 6-10 ), and Fus er Pressure P late (Figure 6-11). 2 Remov e the wi re cov er (on the right side of the printer ) f or the Hea ting Elem ent wires by pressing in on the t ab and pul ling outward (Fi gure 6-13, cal lout 1). Figure 6-13 H[...]

EN Inter nal assem b lie s 85 3 Disconn ect the A C v oltage to the Heatin g Element by releas ing the connec tor located on th e DC Controll er . Press down on the conne ctor rele ase with a s mall, flath ead screwdriver (Figur e 6-14, callout 1). (Beca use this is a small s pace, it is much eas ier to reach t he connec tor with a screwdr iv er .)[...]

86 Remova l and repla cement EN 4 Remov e the wire from th e wire guide s along the r ight -side of the printer . 5 Disconn ect the ther mistor feedback connec tor in the l eft front side of the Fusing Assembly (Figure 6-15). Figure 6-15 Heating Element remov al (3 of 3) 6 Lift the Hea ting Ele ment out. T o reinstall Make sure the c onnectors ar e[...]

EN Inter nal assem b lie s 87 Pressure Rolle r 1 Remov e Pr inter Covers, Deliv er y Ass embly (Figures 6-9 and 6-10), F user Pressu re Plate (Fig ure 6-11), and Heating El ement (Fi gures 6-13 thr ough 6-15) . 2 Remov e the Pressur e Roller guide b y lifting the e dge (Figure 6-16, call out 1) and then rolling i t gently ba ckw ard (Figure 6- 16, [...]

88 Remova l and repla cement EN Face-U p/Face -Dow n Lever 1 Remov e Pr inter Covers, Deliv er y Ass embly (Figures 6-9 and 6-10), F user Pressu re Plate (Fig ure 6-11), and Heating El ement (Fi gures 6-13 thr ough 6-15) , and Press ure Roller ( Figure 6-1 6). 2 Rotate the l e ver f orward 90 d egrees (past the spr ing) and pul l it straight out th[...]

EN Inter nal assem b lie s 89 Fuser Exit Roller Assemb ly 1 Remov e Pr inter Covers, Deliv er y Ass embly (Figures 6-9 and 6-10), F user Pressu re Plate (Fig ure 6-11), and Heating El ement (Fi gures 6-13 thr ough 6-15) , Pressure Roller (Fig ure 6-16), and F ace-Up/Face-Down Le ver (Figure 6-17). 2 Remov e the gear from th e left end of th e rolle[...]

90 Remova l and repla cement EN P aper Exit Sensor Flag 1 Remov e the Pri nter Cov ers, Deliver y Assembly (Figur es 6-9 and 6-10), and Fuser Pres sure Plate ( Figure 6-11) . CA UTION Bef ore proceedin g to Step 2, e xamin e the P aper E xit Sensor fl ag. It is imp or tant to note the po sition of the spr ing mec hanism o n the flag. T he spri ng m[...]

EN T o p assemblies 91 T op a ssemblies Laser/Scanner Assemb ly 1 Remov e the Printer Cov ers. 2 Remov e both Lase r/Scanner co nnectors ( Figure 6 -20, callou t 1). Note The Las er/Scanner c onnect cable on t he HP Lase rJet 6L Pr o is twisted (not shown in F igure 6-20) . 3 Remov e al l (4) screws and li ft the assembly straigh t off (Figur e 6-2[...]

92 Remova l and repla cement EN Soleno id 1 Remov e the Printer Cov ers. 2 On the le ft side of the printer, remov e the paper pickup gear (F igure 6-21 , callout 1) by pressing the tabs i n the center of the gear ou tward and pulli ng the gear of f (Figure 6-21) . Figure 6-21 Solenoid removal (1 of 2) 1 Service.book Page 92 Thursday, September 14,[...]

EN T o p assemblies 93 3 Remov e the Solenoid connect or (J204) from the DC Contr oller (Fig ure 6-22, cal lout 1). 4 Remov e the self-tap ping screw that h olds the Solenoid in place (Figure 6-22, call out 2). 5 Unthread the wires from the pr inter chass is . 6 Lift the S olenoid o ff . Figure 6-22 Solenoid removal (2 of 2) Note When re installing[...]

94 Remova l and repla cement EN Pic kup Roller Assembl y 1 Remov e the Printer Cov ers. 2 Remov e the paper pickup gear ( Figure 6-21 ). Note This gear is ke yed to go on the shaft in only one wa y . 3 Remov e the pi ckup roller groundin g clip on the r ight of the printe r by lifting each e nd of the clip u p and over the two metal g uides an d sl[...]

EN T o p assemblies 95 4 Using nee dlenose pliers, pull t he bottom of the bushing out (Figure 6- 24, callout 1), then tu rn it count er clockwise to r elease it ( Figure 6-2 4, callout 2) . Figure 6-24 Pickup Roller Asse mbl y remo val (2 of 2) 5 Lift the bushin g out. 6 F rom insid e the fron t of the pr inter , slide t he right side of th e Pick[...]

96 Remova l and repla cement EN T o reinstall After pl acing the Pi ck up R oller shaft thr ough on th e left side, line up the Idler Rol ler tabs whi le repositio ning the r ight si de. Roc k the s haft back and for th unti l the Pickup Roller and t he Idler Roller tabs are cor rect ly reins talle d. Note It is i mpor tant t hat the P ic kup Roll [...]

EN T o p assemblies 97 P aper Feed Frame 1 Remov e the Printer Cov ers. 2 Remov e the Pickup Roller Ass embly (Figures 6- 23 through 6 -24). 3 Disconn ect the following: • Solenoi d from the DC Co ntroller at J204 (Figure 6-22, callo ut 1) • T wo connectors fr om the Laser /Scanner (F igure 6-26, c allout 1) • Connector from T op Co ver/EP Ca[...]

98 Remova l and repla cement EN 4 Release t he catch on t he control p anel cable gui de by using the sma ll flathe ad screwdriver to push on th e tab (Fig ure 6-27). Then slid e the guid e off . Figure 6-27 P aper F eed Frame removal (2 of 4) Service.book Page 98 Thursday, September 14, 2000 11:15 AM[...]

EN T o p assemblies 99 5 Remov e the self-tappi ng screw from the back sheet metal plate and lift it o ff (Figure 6- 28, callout 1). 6 Remov e the (4) hex head screws f rom the P aper F eed Frame (Figure 6- 28, callout 2). Figure 6-28 P aper F eed Frame removal (3 of 4) 1 2 Service.book Page 99 Thursday, September 14, 2000 11:15 AM[...]

100 Removal and replaceme nt EN 7 Release t he sensor unit connect or (Figure 6-29). Note This conn ector is not present on th e HP LaserJe t 6L Pro . For that mode l, remov e th e single conn ector from the D C Controll er . Figure 6-29 P aper F eed Frame removal (4 of 4) 8 V erif y that all c ables are clear o f the frame an d pull the fram e str[...]

EN T op assemb lie s 101 T ransfe r Roller Guide and T ransf er Roller 1 Remov e the Pri nter Cov ers, Pickup Roller Assembly (Figures 6-23 throu gh 6-25), and Paper F eed Fr ame ( Figures 6-26 through 6 -29). 2 Looking at the back of the pr inter , note the two sm all, hook-sh aped rele ase tabs on each end of the T ransf er Roller guid e. Using a[...]

102 Removal and replaceme nt EN Kick Plate CA UTION Be careful wor king with the Kic k Plate and Separation P ad. The spr ing und erne ath the Kick Plate may stay attached to t he Kick Plate, but it is also l ikely to spri ng aw ay from the Ki c k Pla te. Place the spr ing aside for Separa tion Plate disass embly . 1 Remov e the Printer Cov ers an [...]

EN T op assemb lie s 103 T o reinstall If the spr ing on the Kick Plate does not stay on the Kick Plate, re place the spring , making cer tain the diameter of the spr ing surrou nds two lower pins on the Kick Plate and rests ins ide the thir d pin. Use needlenos e pliers to place the s pring correctly . ( See Figure 6-32.) Figure 6-32 Kick Plate Sp[...]

104 Removal and replaceme nt EN Separation P ad 1 Remov e the Pri nter Cov ers, Pickup Roller Assembly (Figur es 6-23 an d 6-24), and Kick Plate (Figure 6-31). 2 Lift the bott om of the white plastic tab o n the rear of th e P aper F eed F rame up sligh tly and sli de it up, to ward the t op of the Paper F eed Fr ame. This will re lease the Se para[...]

EN T op assemb lie s 105 Subpads Note When you rep lace the Sep aration Pad, you should also replace the smaller subpads a t the sa me time. 1 Place your in de x f inger on the subpad. 2 Press toward the t op of the pr inter . Figure 6-34 Subpad remo val Service.book Page 105 Thursday, September 14, 2000 11:15 AM[...]

106 Removal and replaceme nt EN Feed Assembl y The Feed Assembly is loc ated in th e P aper Feed F rame. 1 Remov e the Pri nter Cov ers, Pickup Roller Assembly (Figures 6-23 throu gh 6-25), and Paper F eed Fr ame ( Figures 6-26 through 6 -29). 2 T urn th e P aper Feed F rame upsi de down. 3 Remov e the F eed Ro ller Shaft by li fting the plas tic t[...]

EN T op assemb lie s 107 4 Remov e the self-tap ping screw that h olds the F eed A ssembly in place (Figure 6- 36, callo ut 1). Note Before proceedin g to Step 5 , e x amine the tabs and how they fit into their slots (Figure 6 -36, callo ut 2). The tabs must be reinsta lled to exactly this position. Note The co nnector sh own (Figure 6-36, ca llout[...]

108 Removal and replaceme nt EN 6 T urn th e Feed Assembly ov er an d place it i n one hand with the roll er-side down. P op one of the tabs on th e other side and the feed roller should fall into your hand (Figure 6- 37). Figure 6-37 Feed Assembly removal (3 of 3) T o reinstall Before secur ing the screw , ensure the tabs on th e Feed Assembly a r[...]

EN Bott om asse mbli es 109 Bottom assemblies Memory Door G uide Note The HP L aserJet 6L Pro does no t hav e a memor y door . 1 Remov e the Printer Cov ers. 2 Remov e any extra memor y . 3 T wo tabs hold the memor y do or guide on t he pr inter chas sis. Press each tab inward (F igure 6- 38). 4 Pull the memor y door guide out . Figure 6-38 Me mory[...]

110 Removal and replaceme nt EN Motor 1 Remov e the Printer Cov ers. 2 Remov e the motor co nnector (Fi gure 6-39, ca llout 1). 3 Remov e the memor y door gui de (HP L aserJet 5L and 6L) to expose the two mo tor screws . 4 Remov e the motor scr e ws (F igure 6-3 9, callout 2). 5 Lift the Mo tor out. Figure 6-39 Motor removal 2 1 Service.book Page 1[...]

EN Bott om asse mbli es 111 DC Contr oller 1 Remov e the Printer Cov ers. 2 Disconn ect the motor connector from the moto r (Figure 6 -39, callout 1 ). 3 Disconn ect the Sole noid connec tor from the DC Controller ( Figure 6-22 , callout 1). 4 Remov e the back sheet metal plate and disconnect the PS202/P S204 connec tor (Figur e 6-29). 5 Remov e th[...]

112 Removal and replaceme nt EN 8 Lift the bo ttom plate, rotati ng the plate toward you from th e back as if hinged on the fron t. Release t he Fusing Assembly conn ector (J2 06) (Figur e 6-41, call out 1). CA UTION ESD SENSITIVE! Figure 6-41 DC Contro ller removal (2 of 3) 9 Remov e the (7) remai ning connec tors (Figu re 6-42, ca llout 1). CA UT[...]

EN Bott om asse mbli es 113 Figure 6-42 DC Contro ller removal (3 of 3) 11 Remov e the DC Controller b y li fting gentl y on the side o pposite th e f or matter , then s liding it out. CA UTION Be careful no t to rotate the DC Controll er as you remove it. Note When or dering , the DC Con troller d oes not com e with any con nectors. Use the curren[...]

114 Removal and replaceme nt EN Formatter PCA CA UTION ESD SENSITIVE! 1 Remov e the Printer Cov ers an d complete th e DC Control ler removal direction up to step 8 (Fig ures 6-40 an d 6-41 ). 2 Remov e the two cable clips (Figure 6-43, callout 1). 3 Remov e al l (4) screws from t he f or matter cover (Figure 6- 43, callout 2). Lift the I/O shield [...]

EN Chap ter contents 115 7 T r oub leshooting Chapter contents General tro ubl esho oting flowchar t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1 6 P aper pat h and compone nts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 1 8 DC Control[...]

116 Troubles hooting EN General troubleshooting f lo wchar t When the AC power is fi rst applie d to the pr inter : l Both the p rint er motor and the lase r/scanner mo tor rotate for six seco nds. l All of th e LEDs illu minate for one se cond; the “ Re ady ” LED will illumin ate after three seconds. If no err or messag e is display ed, t he P[...]

EN General trouble shooting flowch ar t 117 General T roubleshooting Flo wchart (continued) Refer to the section “ I mage F or mation T roubleshooting, ” later in this chapt er . If the engi ne test prod uces a c lear prin t image, yet a Self -T est i s not generated by init iating the Contr ol P anel self -test proce dure, replace the F or mat[...]

118 Troubles hooting EN P aper path and component s Figure 7-1 P aper path and components DC Co ntr oller PCA Motor P aper Exit Sensor PS201 Fusing Unit Delivery Roller F ace-up Deliv er y P aper Registration Sensor PS203 SL1 PS202 P aper Out Sensor F eed Roller P aper Input Tr a y Manual Input Slot Pick-up Roller Feed Sub- roller Photo- sensitiv e[...]

EN DC Controll er diagram 119 DC Controller diag ram Figure 7-2 DC Contro ller PCA components J302 J304 J401 J301 J207 FU101 J102 FU102 (110V only J202 J204 J305 SW101) INL101 J209 J201 J208 J206 SW201 PS201 J3 Formatter DC Controller (110V/2 20V) Note: Some of the connec tors shown in this diagram are not pr esent on the HP Lase rJet 6L Pr o J3 Co[...]

120 Troubles hooting EN Printer error tr oubleshooting Informatio n regard ing pr inter statu s is conve y ed b y two methods : 1 ) the pr inter ’ s Contr ol P anel l ights and 2) feedback through the bi-direc tional I/O th at displays at the PC. The bas ic method of deter minin g error messag es uses patter ns of lights on the Control Panel LED [...]

EN Printer error tr oubl eshooting 121 Print er status messa ges The following table lists prin ter LED mess ages and the ir meanings and des cribes r ecommended actions. For more information on the F r ont Panel lay out, refer to “ Usi ng the Control P anel ” in Chap ter 3, “ Install ation and Configuration. ” T able 7-1 Printe r status me[...]

122 Troubles hooting EN Occasio nally you may add paper , close the pr inter door , add the toner car tr idge, and clear a paper jam, only to find th at the pr inter sti ll displays an error message. If thi s happens, trou b les hoot using T able 7-3 be low . Note If the error appears a nd persists o nly after you attemp t to prin t a page, verify [...]

EN Printer error tr oubl eshooting 123 Service and err or messa ges Ser vice e rrors prev ent f ur ther pr inter op eration until some action is taken. When th ere is a ser vic e error , all of t he lights will turn o n in a steady sta te. Pres s an d hold the Contr ol Pa nel Button t o see a patter n in the lights. (T he error wi ll only be displa[...]

124 Troubles hooting EN Figure 7-3 Heating e lement resist ance check T able 7-3 Ser vice and error mes sages (Conti nued 2 of 3) Beam Error . There are a number of causes fo r this error , and some of the caus es ma y be tr ansient. (They may disapp ear .) 1. P ow e r-c yc le the printer b y unpluggi ng the prin ter and plugg ing it back in. 2. Ma[...]

EN Printer error tr oubl eshooting 125 T able 7-3 Ser vice and error mes sages (Conti nued 3of 3) Scanner Err or . Caused by a scanner ma lfunction . 1. P ow e r-c yc le the printer b y unpluggi ng the prin ter and plugg ing it back in. 2. Ensure c ondensa tion caused by movi ng the printer from a col d to a war m environ ment has n ’ t occu rred[...]

126 Troubles hooting EN Image formation tr oubleshooting Check the toner car tridge Image forma tion defects are many time s the result o f toner car t ridge pr oblems . If there is any doub t, alwa ys repl ace the ton er car tr idge before troubleshooting i mage defects. Use the following che ck list to en sure that the toner ca r trid ge is st il[...]

EN Imag e f or matio n troubleshooting 127 Image defect examples This s ection ill ustrates som e image de f ect s and thei r possible ca uses. Since the re are m any v ar iables in the prin ting process, you may encoun ter image de f ects th at are not illustrated in t he f oll owing e xamp les. If you find a defect that is not illus trated, recor[...]

128 Troubles hooting EN Horizontal stripes Someti mes hor izontally aligne d black streaks or s mears can appear . l The to ner car tr idge may not be ins talled pro perly . Re mov e the c ar tridge and re ins er t it. l The to ner car tr idge may be defectiv e. Replac e it. l If the printer s till has pr int qual ity problems, the p rinter ma y re[...]

EN Imag e f or matio n troubleshooting 129 Backgr ound scatter Background sc atter resu lts from bits of toner di stributed on the front or back of a printed page. Background scatter often is is olated to a s pecific ar ea of the page. l Check the environm ent. High h umidity can cause this error . l Chan ge the paper t ype, weight, or surface fini[...]

130 Troubles hooting EN Curled or wr inkled sheets Media i s cur led or wri nkled when us ing the Paper Output Bin. l V er ify that the media you are using meets pap er specifi cations. (See the HP Las erJet 5L Use r’ s Manual or the HP LaserJet Printer F amily Paper Spe cification s Guide . l T urn the paper over . l Use the F ront Output Slot b[...]

EN Imag e f or matio n troubleshooting 131 Dark backgr ound l Adjus t the toner de nsity setti ng through your so ftware or pr inter dr iv er . l There m a y be di scontinuitie s in the high -v oltage contact poi nts. Clean the h igh voltage contac t points on the toner c ar tri dge and transfer rolle r . l Replac e the Lase r/Scanner unit. l Repla[...]

132 Troubles hooting EN White horizontal line l Replac e the toner c ar tridge. Faulty r egist ration/ske wed image l Unlo ad the pape r and re-sta c k it i n the input tra y l Read just the guid es to the width of the pape r . l T oo many sheets of paper ma y hav e been loaded into the pap er input slot. L oad no more t han 100 sh eets of pa per .[...]

EN T r oubleshootin g checks 133 T roubleshooting chec ks Engine test The engi ne test pr int is used t o verify that the pr int engin e is functio ning correc tly . The F or matter PCA is com pletely bypasse d during an engine test, so this test is usefu l f or isolat ing print er problems. The engin e test prin ts a full page of v ert ical line s[...]

134 Troubles hooting EN Half self-test functi onal chec k The ele ctrophotographic p rocess can be subdivi ded into th e f ollowing s tages: l Cleaning (rem oving excess toner from drum sur face) l Condit ioning (pla cing a un if or m ele ctric al charge o n dru m) l Wri ting (laser strikes sur f ace of d rum to create la tent image ) l Dev elopmen[...]

EN T r oubleshootin g checks 135 High-v oltage power supply chec k The High -V o ltage P ower Supply P CA provides the n ecessar y voltag es f or the e lectrophot ographic processe s. A method for v er ifying th e high-voltage system is given in the ta b le b elow . Figure 7-5 T oner car tridge high-v oltage connection points (1 of 2) 1 Char gin g [...]

136 Troubles hooting EN Figure 7-6 T oner car tridge high-v oltage connection points (2 of 2) 1 Char gin g 2 Drum Ground 3 De v elo ping Ro ller 1 2 3 Service.book Page 136 Thursday, September 14, 2000 11:15 AM[...]

EN T r oubleshootin g checks 137 P aper curl P aper cu rl is inherent to t he laser pr inting processes, an d occurs when paper is s ubjected to heat. P aper cu rl t ends to rela x as the paper co ols while r esting on a flat surface. The spec ification f or maximum pa per curl when the pap er is lying flat before print i s 5 mm (0.2 i nches). Alth[...]

138 Troubles hooting EN T r oubleshooting t ools P aper path chec k If paper i s not being p ic ked up or is not moving through the pa per path, y ou ma y want to obs er v e all of the p aper motion activities. Overridi ng PS204 (5 L) or SW1 01 (6L and 6L Pro) allows you to obser ve: l Motor rota tion l Solen oid action l Kick plate motion l P aper[...]

EN T roubleshoot ing tools 139 Repetitive image defe ct ruler Figure 7-8 Rep etiti ve ima ge def ect ru ler First o ccurrence of pr int defect Deliver y Roller 4 4 mm (1.75 in ches) Dev eloping C ylinder 32 mm (1.25 in ches) T ransf er Roller 48 mm (1.9 inches ) Pr imar y Chargin g Roller 38 m m (1.5 i nches) Upper He ating Elemen t Film 76 m m (3.[...]

140 Troubles hooting EN Main wiring diagram Figure 7-9 Main wiring diagram Fusing Assemb ly EP Cartridge High V ol tage Connector Control Panel F or matter P CA Optional Memo r y Po r t 1 1 Not present on the HP LaserJet 6L Pro Pa ra ll e l Po r t Laser Unit SW LEDs PS204 (Door Closed/ EP Car tridge Installed) (5L only) SW101 PS203 (Registration) P[...]

EN T roubleshoot ing tools 141 T able 7-6 Cable pin outs Connector Signal name Remarks J401 pin 1 MA Motor Drive Signal J401 pin 2 MA Motor Drive Signal J401 pin 3 MB Motor Drive Signal J401 pin 4 MB Motor Drive Signal J204 pin 1 + 12 V 5L only J204 pin 2 CPUD Solenoid SL1 Pic kup Drive (5L only) J202 pin 1 + 5V J202 pin 2 G ND J202 pin 3 P APSENS [...]

142 Troubles hooting EN Service.book Page 142 Thursday, September 14, 2000 11:15 AM[...]

EN Chap ter contents 143 8 P ar ts and diag rams Chapter contents How to use the p ar t lists and di agr ams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4 Order ing par ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Order i[...]

144 Parts and dia gr ams EN Ho w to us e the par t lists and diagrams The Figur es in this chapter il lustrate t he major su bassemblies in the pr inter and t heir com ponent par ts. A table (ma terial l ist) follows each exploded ass embly diagram. Eac h table lists the re f erence designat or (item number ) f or eac h par t, the as sociated p ar [...]

EN Acces sories and su pplies 145 Accessories and su pplies Note Ref er to “ Rela ted Documen tation ” in Chapte r 1 f or docume ntation and traini ng media produc t numbers. Note Y ou can upgrade the HP Las erJet 5L and 6L printe rs to a total of 9 MB of mem ory with an 8 Mbyte JEDIA me mor y module (not current ly av aila b le from HP). T abl[...]

146 Parts and dia gr ams EN Comm on har d ware T able 8-2 Common fa steners used in the printer Example Description Screw , Mach ine, T rus Head M3x4 , M3x6, M 3x8 Screw , Star , 3x6 Screw , Self-tap , 4x10 Screw , He x-head, 3x8 Screw , He xhead, 3x6,m 3x8, 3x10 Service.book Page 146 Thursday, September 14, 2000 11:15 AM[...]

EN P ar ts diagrams 147 Pa r t s d i a g r a m s Figure 8-1 Major as sembl y lo cations Pick-up Ass embly (Fig ure 8- 7) DC Co ntr oller (Fig ure 8-6) Pick-up R oller Assembly (Fig ure 8- 7) T ransfer Roller Guide As se mbly (Fig ure 8-5) Contro l P anel P CA Assemb ly (Fig ure 8-5) Separ atio n Guid e Assemb ly (Fig ure 8-9) Feed Assembly (Fig ure[...]

148 Parts and dia gr ams EN Figure 8-2 Cov ers and doors Not presen t on the HP Lase rJet 6L Pr o 6 12 10 2 1 7 8 5 9 4 13 11 3 501 502 4A 12 14 Not pres ent on the HP Laser Jet 6L Pro Not pres ent on the HP L aserJet 6L Pro Service.book Page 148 Thursday, September 14, 2000 11:15 AM[...]

EN P ar ts diagrams 149 T able 8-3 Co vers and door s Ref LaserJet 5L part number LaserJet 6L par t nu mber La serJ et 6L P ro part number Qty Desc ription 1 RB1-7211-000CN RB 2-1637-000CN RB2-6213-000CN 1 Input Ext ender 1/T ra y , Sub 2 RB1-7212-000CN RB 2-1638-000CN n/a 1 Input Extender 2 3 RB1-7333-000CN RB 2-1636-0 00CN RB2-1636-000CN 1 Back C[...]

150 Parts and dia gr ams EN Figure 8-3 Internal components (1 of 3 ) 17 16 501 19 20 501 2 2 503 7 5 502 4 6 3 1 8 Service.book Page 150 Thursday, September 14, 2000 11:15 AM[...]

EN P ar ts diagrams 151 T able 8-4 Internal components Ref LaserJet 5L part number LaserJet 6L par t nu mber La serJ et 6L P ro part number Qty Desc ription 1 R Y7-5005-000CN R Y7-5005-000CN R Y 7-5005-000CN 1 Gear Kit #1 2 RB1-7288-000CN RB 1-7288-000CN RB1-7288-000CN 2 Exit Roller Bushing 3 RB1-7105-000CN RB 1-7105-000CN RB1-7105-000CN 1 Fuser R [...]

152 Parts and dia gr ams EN Figure 8-4 Internal components (2 of 3 ) 6 3 2 9 11 5 7 4 1 501 B A 502 12 8 10 9 B A 9 See Fi gure 8-10 See F igure 8-7 Note: For the HP Laser J et 6L Pro , thi s part was re place d with a Gui de Sheet. Service.book Page 152 Thursday, September 14, 2000 11:15 AM[...]

EN P ar ts diagrams 153 T able 8-5 Internal components (2 of 3) Ref LaserJet 5L part number LaserJet 6L par t nu mber La serJ et 6L P ro part number Qty Desc ription 1 RB1-7109-000CN RB 1-7109-0 00CN n/a 1 Memor y Door Guide 1 n/a n/ a RB2-6226-000CN 1 Guide Sheet 2 RB1-7247-000CN RB 1-7247-000CN RB1-7247-000CN 1 Fuser Paper Guide 3 RB1-7344-000CN [...]

154 Parts and dia gr ams EN Figure 8-5 Internal components (3 of 3 ) 22 15 21 14 13 2 12 21 2 4 16 8 21 1 C 5 20 17 19 18 23 10 6 7 B 3 A 9 See Figure 8- 9 A B Service.book Page 154 Thursday, September 14, 2000 11:15 AM[...]

EN P ar ts diagrams 155 T able 8-6 Internal components (3 of 3) Ref LaserJet 5L part number LaserJet 6L par t nu mber La serJ et 6L P ro part number Qty Desc ription 1 RB1-7223-000CN RB 1-7223-000CN RB1-7223-000CN 1 Pick up Roller Grounding Clip 2 RB1-7246-000CN RB 1-7246-0 00CN RB1-7 246-000CN 2 Pressure Roller Bushing 3 RB1-7341-000CN RB 1-7341-0[...]

156 Parts and dia gr ams EN Figure 8-6 DC Contro ller/formatter and cab l es 4 2 6 1 5 7 3 15 11 10 9 8 14 13 12 6 J305 J001 J208 J207 J401 J105 J801 J802 J005 J002 J008 J206 J209 J202 Note: Some of th e cables and conne ctors shown he re are n ot present on the HP L aserJet 6L Pr o . 2A Not shown: connec tor shield plate (6L Pr o only). Note: This[...]

EN P ar ts diagrams 157 T able 8-7 DC Controller case Ref LaserJet 5L part number LaserJet 6L par t nu mber La serJ et 6L P ro part number Qty Desc ription 1 RG5-2024-000CN RB 2-1719-0 00CN R B2-1 719-000CN 1 F or m atter Shield 2 C3942-67902 C39 91-60001 C3991-60001 1 Formatter, New C3942-69002 n/a n/a 1 Formatter , Exchange 2A n/a n/a RB2-1720-00[...]

158 Parts and dia gr ams EN Figure 8-7 Pickup Roller assembly 4 14 501 13 2 5 1 16 18 7 501 9 3 17 SL001 3 See Figu re 8-8 19 Not shown: grounding spring (6L Pro only). Service.book Page 158 Thursday, September 14, 2000 11:15 AM[...]

EN P ar ts diagrams 159 T able 8-8 Pickup Roller a ssembly Ref LaserJet 5L part number LaserJet 6L par t nu mber La serJ et 6L P ro part number Qty Desc ription 1 RB1-7177-000CN RB 1-7177-000CN RB1-7177-000CN 1 Paper F eed Fr ame 2 R Y7-5077-000CN R Y7-5077-000CN RY7-5077-000CN 1 Separation P ad Kit 3 R Y7-5009-000CN R Y7-5009-000CN R Y7-5009-000CN[...]

160 Parts and dia gr ams EN Figure 8-8 Feed asse mbl y 9 J004 J003 J202 P aper pic k-up sensor cable (see T able 8-7) Service.book Page 160 Thursday, September 14, 2000 11:15 AM[...]

EN P ar ts diagrams 161 T able 8-9 Feed a ssembl y Ref LaserJet 5L part number LaserJet 6L par t nu mber La serJ et 6L P ro part number Qty Desc ription 0 RG5-1942-000CN RG 5- 3485-000CN RG5-5522-000CN 1 F eed Assem bly 9 RB1-7226-000CN RB 2-1699-0 00CN RB2-1 699-000CN 1 Idler Roller 10 n/a n/a P aper Pick-up Sensor Cable Service.book Page 161 Thur[...]

162 Parts and dia gr ams EN Figure 8-9 Separa tion Guide assembly 2 4 7 Service.book Page 162 Thursday, September 14, 2000 11:15 AM[...]

EN P ar ts diagrams 163 T able 8-10 Separa tion Guide assembly Ref LaserJet 5L part number LaserJet 6L par t nu mber La serJ et 6L P ro part number Qty Desc ription RG5-2013-000CN RG5 - 3475-000CN RG 5-3475-000C N 1 Separation Guide Assem bly 2 RB1-7276-000CN RG5- 3476-000CN RG5-3476-000CN 1 Face-Up/F ace-Down Le v er 4 RB1-7289-000CN RB 2-1690-000[...]

164 Parts and dia gr ams EN Figure 8-10 Delivery assembly 6 6 7 2 4 8 3 1 Service.book Page 164 Thursday, September 14, 2000 11:15 AM[...]

EN P ar ts diagrams 165 T able 8-11 Deliver y assembly Ref LaserJet 5L part number LaserJet 6L par t nu mber La serJ et 6L P ro part number Qty Desc ription RG5-2012-000CN RG5- 3474-000CN RG5-5482-000CN 1 Delivery As sembly 1 RB1-7284-000CN RB 1-7284-000CN RB1-7284-000CN 4 Delivery Roller #1 2 RB1-7285-000CN RB 2-1685-000CN RB2-1685-000CN 2 Deliver[...]

166 Parts and dia gr ams EN Service.book Page 166 Thursday, September 14, 2000 11:15 AM[...]

EN Alphab etical par ts list 167 A P ar ts inde x Alphabetical par ts list T able A-1 Alphabet ical par ts list Desc ription P ar t No. Fig. Ref. AC Cab le Cove RB1-7344-000CN 8-4 3 Back Cov er (5L) RB1-7333-000CN 8-2 3 Back Cover (6L and 6L Pro) RB2-1636-000CN 8-2 3 Back Grounding Clip RB1-7199-000CN 8-7 7 Back Sheet Metal (5L and 6L) RF5-1509-000[...]

168 Parts index EN Delivery Assem bly (5L) RG5-2012-000CN 8-10 Delivery Assem bly (6L) RG5-3474-000CN 8-10 Delivery Assem bly (6L Pro) RG5-5482-000CN 8-10 Delivery Roller #1 RB1-7284-000CN 8-10 1 Delivery Roller #2 (5L) RB1-7285-000CN 8-10 2 Delivery Roller #2 (6L and 6L Pro) RB2-1685-000CN 8-10 2 Delivery Spr ing #1 RB1-7286-000CN 8-10 3 Delivery [...]

EN Alphab etical par ts list 169 Fuse 101 (220 V) VD7-0643-151CN 8-6 Fuse 102 (110 V) RH3-8003-000CN 8-6 Fuser Cable Guide RB1-7130-000CN 8-4 6 Fuser Conn ector VS1-5057-002CN 8-5 15 Fuser E xit Roller Assembly (5L) RF5-1522-0 00CN 8-9 7 Fuser E xit Roller Assembly (6L and 6L P ro) RF5-2368-000CN 8-9 7 Fuser Paper Guide RB1-7247-000CN 8-4 2 Fuser P[...]

170 Parts index EN Laser Cable (5L) RG5-2035- 000CN 8-6 13 LaserScann er (Exchange) (5L) C3941-69003 8-3 19 LaserScann er (New) (5L) RG5-2000-000CN 8-3 19 LaserScann er (New) (6L) RG5-3494-000CN 8-3 19 LaserScann er (New) (6L) RG5-5473-060CN 8-3 19 Left Leg RB1-7185-000CN 8-7 16 Left Pressur e Roller Housing RB1-7255-000CN 8-6 13 Main Cover (5L[...]

EN Alphab etical par ts list 171 Right Leg RB1-7186-000CN 8-7 17 Right Pressure Roller Housing RB1-7256-000CN 8-5 12 Scanner Cable (5L) RG5-2034-000CN 8-6 12 Scanner Cable (6L and 6L P ro) RG5-3661-000CN 8-6 12 Screw XA9-0724-000CN 8-2 11 Screw (with star washer) XA9-0855-000CN 8-4 10 Screw XB1-1300-807CN 8-4 502 Screw XA9-0267-000CN 8-3 503 Screw [...]

172 Parts index EN Numerical par ts list T able A-2 Numeric al par ts list Part No. Desc ription Fig. Ref. C3941-69001 DC Controller PCA (110 V) Exchange (5L) 8-6 3 C3941-69002 DC Controller PCA (220 V) Exchange (5L) 8-6 3 C3941-69003 LaserScanner (Exc hange) (5L) 8-3 19 C3942-67902 F or m atter (New) (5L) 8-6 2 C3942-69002 F or m atter (Exchange)[...]

EN Numer ical par ts list 173 RB1-7289-000CN Fuser R oller Bushing (5L) 8-9 4 RB1-7293-000CN Flag 8-5 RB1-7294-000CN Flag Spring 8-5 18 RB1-7302-000CN Cap 8-4 8 RB1-7305-000CN I/O Sh eet Metal 8-4 12 RB1-7321-000CN Memor y Door (5L) 8-2 13 RB1-7326-000CN Output Exte nder 1 (5L) 8-2 5 RB1-7327-000CN EP Door Chimney (5L) 8-2 6 RB1-7331-000CN Output E[...]

174 Parts index EN RF5-1517-000CN Fuser Pressure Plate 8-5 5 RF5-1521-000CN Exit Roller (5L) 8-3 16 RF5-1522-000CN Fuser Exit Roller Ass embly (5L) 8-9 7 RF5-1533-000CN Pressure Roller Grounding Guide 8-5 14 RF5-2352-000CN EP Door Assembly (6L) 8-2 8 RF5-2362-000CN Pressure Roller (6L) 8-5 4 RF5-2364-000CN Pressure Roller (6L Pr o) 8-5 4 RF5-2367-0[...]

EN Numer ical par ts list 175 RG5-3485-000CN Feed Assembly (6L and 6L Pro) 8-8 RG5-3486-000CN Pick up Roller Assembly (6L) 8-7 4 RG5-3488-000CN Input A ssembly 1 (6L and 6L Pr o) 8-2 9 RG5-3491-000CN Input A ssembly 2 (6L and 6L Pr o) 8-2 10 RG5-3494-000CN LaserScanner (New) (6L) 8-3 19 RG5-3499-000CN Contr ol Panel PCA Cable (6L) 8-6 5 RG5-3506-0[...]

176 Parts index EN XA9-0824-000CN Screw 8-5 17 XA9-0855-000CN Screw (with star washer) 8-4 10 XB1-1300-807CN Screw 8-4 502 XB4-7401-0007 Screw 8-7 501 XB4-7401-0074CN Screw 8-4 501 XB4-7401-007CN Scre w (5L and 6L) 8-2 501 T able A-2 Numerical par ts list (Contin ued) Part No. Desc ription Fig. R ef. Service.book Page 176 Thursday, September 14, 20[...]

EN Laser Sa f ety (U .S.) 177 B Regulator y inf or mation Laser Safety (U .S.) The Center f or Devices and Radiolo gical Health (CDRH) of the U .S. F ood a nd Drug A dministration imple mented regul ations for laser pr oducts m anuf act ured since A ugus t 1, 1976. Com pliance is mandat ory f or produ cts mar keted in the Un ited States. This pr in[...]

178 Regulator y informa tion EN Laser Statement (Finland) The following appli es to pr inter operati on and se rvi cing in F inland. Laserturvall isuus Luckan 1 Laserlaite Klass 1 Laser Apparat HP Laser Jet(s) 5 L/6L/6L Gold /6L Pro las erkir joitin o n k ä ytt ä j ä n kannalta tur valli nen luo kan 1 lase rlaite. Nor maa lissa k ä yt ö ss ä [...]

EN Laser Sa f ety (U .S.) 179 T oner safety Note In case o f toner spil ls, skin and c lothing ar e best clean ed by removing as muc h toner as possible with a dr y tiss ue, then washing with c old water . Hot water caus es toner to per ma nently set i nto clothing. Material data sa fety sheet The Mate rial Safety Data Sheet (MSDS ) can be obtained[...]

180 Regulator y informa tion EN FCC Statement (Class B) Note: Thi s equipment ha s been tes ted and found to comp ly with the li mits for a Class B digi tal device, pursuan t to par t 15 o f the FCC r ules. These limits ar e designed to provide reas onable protectio n again st har mful inte rf erence in a res idential in stallati on. This e quipmen[...]

EN 181 Inde x A AC bias 62 AC power See also power disconnecting 85 distribution 56 troubleshooting 116 accessories and supplies 23 accessories, ordering 145 acoustic emissions 18 agreements, maintenance 28 alcohol, cleaning with 51, 135 alignment, troubleshooting 132 alphabetical list, part numbers 167 ammonia-based cleaners, avoiding 51 amps, spe[...]

182 EN consumables life expectancies 48 ordering 144 contacts, DC Controller 119 continue from me mory errors 40 continuous self-test 44 control panel assembly, locati ng 147 button 40 errors 120 removing 78 service errors, dis playing 123 troubleshooting 116 wiring harness 78 control panel lights. See indicat or lights conversions, voltage 29 Coun[...]

EN 183 Enhanced I/O 59 Enhanced PCL 5 14 envelopes, input tray capacity 14 environmental specifications 32 EP Door disabling high voltage power supply 57 locating 20 removing 75 Error light 38, 121 error messages 121, 123 errors beam 124 engine 124 form atter 1 25 fuser 123 memory 1 21 paper 121 persistent 122 priority 120 processor 125 ROM/RAM 123[...]

184 EN high voltage power supply operations 57 testing 135 voltage 57 horizontal lines, troubleshooting black 128 white 132 HP Authorized Service Providers 28 HP Customer Care 23 European and in-country support 24 product repair assistance 24 worldwide options 24 HP Customer Information Centers A s i a - P aci f i c c oun t r i es /regions 25 HP Di[...]

EN 185 Material Safety Data Sheet (MSDS) 179 maximum paper size 14 memory capacity 14 clearing 45 Enhanced I/O 59 error priority 120 errors, continuing from 40 errors, troubleshooting 121 incompatible cards, troubleshooting 121 installing 72 insufficient 39 operations 58 Page Protect 60 part numbers 145 ROM/RAM er rors 123 standard 14 upgrading 145[...]

186 EN Paper Output Bin capacity 14 feeding operations 63 locating 19 Paper Output Supports 19 paper path components 118 curl, reducing 137 diagram 63 feeding system 63 testing 138 paper path lever locating 19 removing 88 paper pickup assembly. See pickup assembly paper pickup gear, removing 92 paper pickup roller assembly. See pickup roller assemb[...]

EN 187 Q quality, troubleshooting 126, 127 Quick Reference Service Guide, HP Las erJet Family 22 R RAM. See memory Ready light 38, 121 receptacle, power 119 recovering from err ors 40 recycling toner cartridges 50 redistributing toner 35 refilled toner cartridges 5 0 registration adjusting 133 troubleshooting 132 Registration flag, troubleshooting [...]

188 EN specifications dimensions 33 electrical 18 environmental 32 performance 18 space requirements 33 speed firs t p r i n t 18 pages per minute 14 spilled toner checking for 126 cleaning 52 springs cleaning 135 fuser pressure plat e 83 kick plate 102, 103 Paper Exit Sens or flag 90 transfer roller 101 stages image formation system 61 isolating p[...]

EN 189 troubleshooting beam errors 124 connectors 122 control panel 116 curled pages 130, 137 drum 126 engine errors 124 errors 120, 121 flags, sensor 122 flowchart 116 formatter errors 125 fuser errors 123 image defects 126, 127 incompatible memory cards 121 memory errors 121 motor 116 paper 137 paper curl 130, 137 paper jams 121 paper out errors [...]

190 EN Service.book Page 190 Thursday, September 14, 2000 11:15 AM[...]

[...]

® *C8060-90903* *C * 8060-90903 C8060-90903 © Co p yright 2002 Hewlett-P ackard Co. Manual Part No. C8060-90903[...]