HP (Hewlett-Packard) 4101mfp manual

hp L ase rJet 4100mfp 4101mfp ser v ice addendum[...]

[...]

hp LaserJet 4 100mfp ser ies ser v ic e adde n du m[...]

Hewlett-P ac kard Company 11311 Chinden Boule vard Boise, Idaho 83714 U.S. A. Copyright I nformation © 2002 Hewlett-P ackard Company All Rights Reserved. Reproduction, adaptation, or translation without prior w ritten permiss ion is prohibited, except as allowed under the copyright laws . Publication n umber C9148-90909 Second edi t i on, April 20[...]

C9148-90 909 T a ble o f cont ents 3 T ab le of contents List of figures List of tables 1 Product Information Introducti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Product c onfiguratio ns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 HP LaserJet 4 100mf[...]

4 Table of conten ts C9148-909 09 Layout an d operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 0 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Walk-up c opy display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1 Status ba [...]

C9148-90 909 T a ble o f cont ents 5 Scanner c ontroller bo ard conn ectors . . . . . . . . . . . . . . . . . . . . . . . 62 Intermed iate PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Power supp ly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Overcurren t an[...]

6 Table of conten ts C9148-909 09 7 Troubleshooting Troubleshoo ting proces s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 Prelim inary operat ing chec ks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2 Installa tion conditi ons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2 Me[...]

C9148-90 909 T a ble o f cont ents 7 8 Parts and di agrams Orderin g parts, su pplies and g etting sup port. . . . . . . . . . . . . . . . . . . . . . 144 Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Related do cumentation and software . . . . . . . . . . . . . . . . . . . . . . . . 144[...]

8 Table of conten ts C9148-909 09[...]

C9148-90 909 List of figure s 9 List of figures Figure 1. Model a nd serial n umber label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 2. Product p arts (front v iew; right sid e) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 3. Optical- unit lock (front view; l eft side) [...]

10 List of fi gures C9148-909 09 Figure 50 . Gently pry the top edge of the left-side cover. . . . . . . . . . . . . . . . . . . . . . . . . . . 84 Figure 51 . Remove the scan-u nit left-si de cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Figure 52 . Remove the intake filter. . . . . . . . . . . . . . . . . . . . . . . [...]

C9148-90 909 List of tables 11 List of tab les Table 1. Physical specific ations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 2. Performan ce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 3. ADF/fla tbed-unit acoustical s pecif[...]

12 List of ta bles C9148-9 0909[...]

C9148-90 909 1 Prod uct Informati on 13 1 Product Inf or mation Introducti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Product c onfigurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 HP LaserJet 4 100mfp (C 9148A). . . . . . . . . . . . . . . . . . . . . . . [...]

14 Produc t Information C9148-9 0909 Introduction With the H P L aserJet 4100 ser ies multifun ction pr inter (MFP), a wo rkgroup ca n pri nt, make copies, and send digi tal docu ments us ing a sin gle device. Multiple f unction s can occ ur simulta neously in the MFP . This ser v ice manual i s an adden dum to the H P LaserJe t 4100 ser ies pr int[...]

C9148-90 909 1 Prod uct Informati on 15 Pr od uct features Pr oduct speed and thr oug hput ● copying of letter-s ize media at 25 pages per minute (pp m) or A4-size med ia at 24 pp m ● monochr ome scanni ng of lette r-size ori ginals at 2 5 ppm o r A4-size or iginals a t 24 ppm, a nd color scannin g at 8 p pm ● inst ant-on fus er ● scan- onc[...]

16 Produc t Information C9148-9 0909 Expa ndabl e des ign ● stackable 500-shee t tra y s (up to t wo additional tra ys c an be adde d to the HP LaserJ et 4100mfp, and one addi tional tray can be ad ded to the HP LaserJet 4101mfp) ● duplex printi ng access ory (standard with the HP LaserJet 4 101mfp) ● HP F ast InfraRed pr inting adapter (FIR [...]

C9148-90 909 1 Prod uct Informati on 17 Note T esting per Inte r national S tandard Organizat ion (ISO) 9296. Note “ Operating ” means that the produ ct is c op yi ng and pr intin g continuousl y at 25 ppm . V alues are subjec t to chang e. See http://www .hp.com/lj4100 mfp f or curre nt in f o r mati on. T a ble 3. ADF/flatbed-unit acoustic al[...]

18 Produc t Information C9148-9 0909 Media specifications Note This se ction refers to the MFP only . Se e the HP LaserJe t 4100 seri es printe r ser vice manua l f or pri nting speci fications, or see t he Print Media Guide for the HP Las erJet prin ter family f or general requireme nts. Special considerations for ADF docu ments ● Documents must[...]

C9148-90 909 1 Prod uct Informati on 19 Model and serial numbers The mod el number a nd ser ial number are list ed on an identific ation la bel lo cated unde r neath the control pa nel door . The ser ial number c ontains in f ormat ion about the countr y/reg ion of or igin, prod uct re vision lev el, produc tion code, and production number of the p[...]

20 Produc t Information C9148-9 0909 Pr od uct o ve rview Fr ont view Figure 2. Product parts (fr ont view; right side) 1 automa tic docu ment feeder (ADF) input (w ith slid ing media guides) 2 ADF cover (lifts f o r access to the glass) 3 control -panel d oor (provide s acce ss to the pr int c ar tr idge; se rial an d mode l numbers ar e located o[...]

C9148-90 909 1 Prod uct Informati on 21 Ba ck v i ew Figure 4. Product par ts (back view) 1 ADF connecto r ca b le 2 straight-thro ugh outp ut door 3 power connect ion (from p ower source to pr int u nit) 4 hard di sk 5 HP JetDirect card 6 memor y a ccess doo r (more th an one DIMM can be in stalled) 7 power jumper cable (from pr int un it to sca n[...]

22 Produc t Information C9148-9 0909[...]

2 Ser vice approac h 23 2 Ser vice approach Service app roach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Major a ssemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Contact HP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Contac[...]

24 Servic e appr o ach C9148-9 0909 Service approach Repair o f the pr inter nor mal ly begins with a thr ee-step pr ocess: 1 Isolate th e problem to th e major system (th e host computer, the network an d/or ser ver , or MFP major assemblies). 2 Deter mine wh ether the problem is loc ated in one of the pape r-handlin g de vices or in the product e[...]

C9148-90 909 2 Ser vice ap proach 25 Conta c t HP Wo r l d W i d e W e b Pr inter dr ivers , updated HP pri nter software, and prod uct and s uppor t infor mation c an be obtained from the following websites: ● U .S., http:/ /www .hp .c om/suppo r t/lj4100 ● Europe, http://www .hp.com/suppor t/lj4100 ● China, ftp: //www .hp .com.c n/suppor t/[...]

26 Servic e appr o ach C9148-9 0909[...]

3 Operati on 27 3 Oper ation Using th e ADF unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 General g uideline s for usin g the ADF unit . . . . . . . . . . . . . . . . . . . 28 Using th e glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 General g uideline s for u[...]

28 Operation C9 148-9090 9 Using the ADF unit The auto matic docum ent feeder (ADF) is a fast, conv eni ent wa y to f e ed multiple -page or igin als f o r copying or dig ital-sendi ng. Y ou can lo ad the ADF with as many as 30 shee ts of paper. The ADF acc epts docum ents that m eet the f oll owing specif ications : ● single- sided o r double-si[...]

C9148-90 909 3 Operati on 29 Using the glass Y ou can also use the d igital-se nding and cop ying features b y usi ng the gla ss, located below the ADF . Th e glass can accomm odate l etter- or A4-size and s maller or igin als, books, manual s, receip ts, and simila r docume nts. Irregular and wor n docu ments, staple d docu ments, and photographs [...]

30 Operation C9 148-9090 9 Using the con tr o l panel Lay out and operation Figure 8. Control panel 1 ? (Help): p rovides Help f iles that contai n informatio n about the control -panel di splay when problems oc cur . 2 Control- panel di splay . 3 Navigation buttons: four arrow buttons that ar e used to mov e am ong eleme nts on the control -panel [...]

C9148-90 909 3 Operati on 31 Navigat ion By press ing the a rrow na v igation buttons, you ca n shift focus between ob jects on the control - panel di splay to descri be the doc ument to be handled a nd the acti ons to be performed. A bold border around a graphic obje ct or a reverse video effect in a text list indic ates the c urrent f o cus. Use [...]

32 Operation C9 148-9090 9 Menus The HP L aserJet 41 00mfp ser ies us es a syste m of contr ol-panel m enus to set j ob paramete rs, set system defaults, and mana ge product p erf o rm ance and f e atures. Menu option s are reac hed b y pressi ng the ME NU b utton on the r ight side of the cont rol-pan el disp la y and scrollin g through the list t[...]

C9148-90 909 3 Operati on 33 Menu map The menu m ap is a graphic al repres entation of the MFP menus. Press the MENU button on th e control p anel t o gain ac cess to th e main m enu display . F or mor e inform ation abo ut navigating the menus, see “ Navigation ” on pag e 3 1 . Note Default set tings sh own in b old. Figure 11. MFP menu map 1 [...]

34 Operation C9 148-9090 9 Figure 12. MFP menu map 2 of 2 Menu map , contin ued[...]

C9148-90 909 4 Mai ntenance 35 4 Maintenance Cleaning the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 General g uideline s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Running t he cleaning page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Cleaning the [...]

36 Maintenan ce C9148-9 0909 Cleaning the pr o duct Gen eral g uidel ines P erform the f ollowing c leaning p rocedures whe n you change th e pr int car tridge o r when pr int- quality problems occu r . T o mi nimize problems, keep the pr oduct free from dust an d debr is. W ARNING! T ur n the m ain power-s witch off and unp lug the MF P power cord[...]

C9148-90 909 4 Mai ntenance 37 Running the cleaning page Run the cl eaning pag e to keep the fu ser free of t oner and pa per par ti cles. Accumulati on of toner and par ticles can cause s pecks to app ear on the fr ont-side o r back-side o f your jobs. It is recomm ended that you either us e the clean ing page ev er y time you replace the print ca[...]

38 Maintenan ce C9148-9 0909 Figure 14. Remove the clear plastic shee t 4 Use a clean , soft, dr y cl oth to wipe the surface of the cle ar plastic s heet (do not u se an ammonia b ased clean er . 5 Reinstal l the clear, plastic shee t by sliding its l eading edg e under the gray ribbed g uide (callout 2 ), which is located under the whi te padded [...]

C9148-90 909 4 Mai ntenance 39 User-replaceable parts Replacing user -replace able parts T o ens ure that th e product ma intains optimal per f o rm ance, replace ce r tain pa r ts when the Perform Printer Maintenance message appears on t he produc t control- panel di splay . The mai ntenance message app ears ev er y 200,000 pages ( def ault sett i[...]

40 Maintenan ce C9148-9 0909 HP JetDirect n etwork card T o locate the HP JetDire c t network card, see “ Ba ck vie w ” on page 21 . User replaceab le. As required. Memory DIMM T o locate the memo r y DIMM, see “ Cop y processo r board ” on page 57 . User re placeab l e. As required. Firmware DIMM T o locate the me mor y DIMM, see “ Cop y[...]

C9148-90 909 4 Mai ntenance 41 Updating p r od uct firmware Downloading a rem ote firmware update The HP LaserJet 41 00mfp pro duct suppor ts remote fir mware updates ( RFUs). The update is downloade d from the websi te http://www .h p .com /go/lj4100 _firm ware (downloading a firm ware update is similar to downloadin g printi ng-system software an[...]

42 Maintenan ce C9148-9 0909 Using HP W eb JetAdmin (single update) Note This pr ocedure r equires Web JetAdm in version 6.1 or later . Download th e update from the website http://www .hp.com/go/lj 4100_f irmware and f ollow the steps be low to update a s ingle MFP product. 1 Star t th e HP Web JetAdmin pro gram. 2 Enter the Inter net protoc ol (I[...]

C9148-90 909 4 Mai ntenance 43 Windows parallel connection (local printer) Note Download the up date from the website http:/ /www .hp .com/go/l j4100_fir mware a nd f ol low the steps b elow to upda te the fir mware on a non-share d loca l prin ter . Hint The Las erJet 4100 mfp ser ies use s a type-B parallel ca ble to connec t to a com puter ’ s[...]

44 Maintenan ce C9148-9 0909 T roubleshooting RFU installatio n RFU inst allat ion e rror messag es The following mess ages ca n appea r on the cont rol-pan el display if t he installa tion is i nterr upted f o r some rea son. T u rn the MFP power off, and then b ack on again. Atte mpt the RF U install ation again . Hint If the update is not succes[...]

C9148-90 909 4 Mai ntenance 45 P erforming hard-drive disk initialization Before performing hard-dr ive initializa tion, pr int the following MFP informatio n pages. Use t hese pages to reset any m enu settings tha t the user has cha nged from f actor y de f a ults. • Config uration page ( see “ Evaluate the i nf o rmati on pages ” on page 13[...]

46 Maintenan ce C9148-9 0909 NVRAM initia li za tion NVRAM initializ ation sho uld be per f or med immedia tely after replacin g the forma tter boar d. Not initial izing NVRAM might re sult in p rint qua lity defects. CA UTION Initia lizing NVRA M erases several memor y set tings (for e x ample, page c ount, pr inter ser ial number , a nd the ev en[...]

C9148-90 909 4 Mai ntenance 47 Calibration P erforming automatic Cali bratio n The MF P can be automat ically c alibrated to register scanned images c orrectly . When CALIBRATE SCANNER is selec ted from th e diagnostic menu, the MFP pri nts a calibrati on target page. Messag es appear on the co ntrol panel with ins truc tions abo ut automati cally [...]

48 Maintenan ce C9148-9 0909 P erf orming man ual calibratio n Manual cal ibration provid es precis e control o f imag e placement. V er tical an d horizonta l image registr y for both the ADF and th e glass ca n be set i ndividuall y . F or e xample, cha nging the leading- edge adj ustment for the ADF does not ef f e ct the lea ding-edg e adjustm [...]

C9148-90 909 4 Mai ntenance 49 Center adjust ment for the ADF Hint It might b e helpful to reset t he product s ettings to f ac tor y defaults before attempti ng manual calibrat ion. Be sur e to pr int a co nfiguration pag e bef ore doing a setting reset so th at any user - defin ed setting s can be restored ( see “ Configuration page ” on pag [...]

50 Maintenan ce C9148-9 0909 Side-edge adjustment for the glass Hint It might be helpful t o reset the p roduct setting s to factory def ault s bef ore attempting m anual calibrati on. Be su re to pr int a c onfigurati on page be f o re doing a setti ng reset so th at any user- define d settings c an be re stored (s ee “ Configuration page ” on[...]

C9148-90 909 5 Theor y of operation 51 5 Theor y of operation Introducti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Document transporta tion process . . . . . . . . . . . . . . . . . . . [...]

52 Theory of operatio n C9 148-9090 9 Introduction This ch apter presents an ov erview of the relati onships between maj or components in the MFP . It also pr ovides a gen eral descr iptio n of the following: ● mech anical sy stems ( for e xample , the flat bed i n ta k e fan) ● electroni c circuits (f or example, the scann er controlle r circu[...]

C9148-90 909 5 Theor y of operation 53 Light-con version pr ocess When the charged couple d e vi ce rece ives the reflect ed light, it photo-elec trica lly converts the light to three anal og signa ls (red-green- b lue, or RG B). These three sign als pass th rough an analo g-to-digital conv er ter , and the resulting d igital s ignals are sent to t[...]

54 Theory of operatio n C9 148-9090 9 General descripti ons This sec tion des cribes the indivi dual MF P compon ents and th eir roles i n the sca nning proce ss. Figure 18 illustrates the r elationshi p between the MFP com ponents. Fi gure 19 ill ustrates the flatbe d-assembly co mponent lo catio ns. Figure 20 illustrate s the ADF- unit com ponent[...]

C9148-90 909 5 Theor y of operation 55 Scan-unit components Figure 19. Scan-unit component s 1 2 3 5 7 6 4 8 9 10 11 1 2 3 5 7 6 4 8 9 10 11 1 intake fan 2 inv e r ter cont rol PC B 3 ADF door- open sensor (PS10) 4 optical-u n it dr ive-be lt 5 optical-un it moto r (unde r the shiel d) 6 power supply (un der the shiel d) 7 control -panel c onnector[...]

56 Theory of operatio n C9 148-9090 9 ADF components Figure 20. AD F - u ni t com p o ne nts 7 8 1 2 4 3 6 5 8 1 2 4 3 6 5 8 9 7 1 ADF sepa ration rolle r 2 ADF p ickup roller 3 ADF pi c ku p sol enoid (S L1) 4 ADF driv e motor 5 ADF- to-scanne r contr oller connec tor 6 docume nt-detect s ensor flag( PS2) 7 leadin g-edge s ensor (insi de the AD F;[...]

C9148-90 909 5 Theor y of operation 57 Copy pr o cessor board This sec tion descr ibes th e operation o f the copy processor bo ard (CP B) dur ing nor mal opera tion of the MF P . This descr iption i s more deta iled than the CPB tr oubleshooting chapter in this manual. The CPB is the link between the forma tter in the pr int unit and the scann er [...]

58 Theory of operatio n C9 148-9090 9 The CPB controls the f o llowing sca nning-proc ess contr ol signals : ● ADF uni t and scan un it operatio n • directs th e scanne r control ler board a bout when to scan • directs th e scanne r control ler board a bout how to scan • directs th e scanne r control ler board a bout when to activate motors[...]

C9148-90 909 5 Theor y of operation 59 Copy pr ocesso r board LEDs The CP B has four light- emitting diodes (LEDs) that ca n be viewed when you f ace th e back of the MFP (c allout 1 ). These LEDs ill uminate in speci fic patte rn s depen ding on the CPB status during initial ization (i nitializa tion occ urs when power to th e MFP is tur ned on). [...]

60 Theory of operatio n C9 148-9090 9 ON ON OFF ON ● Commu nication is es tabli shed bet ween the MIPS processor and th e PCI bridge . OFF ON OFF O N ● Commu nication is es tabli s hed between the MIPS processor an d the FP GA. OFF OFF OFF ON ● The FPGA SRAM is chec ked. OFF OFF OFF OFF ● Commu nication is es tabli s hed betwe en the MIPS p[...]

C9148-90 909 5 Theor y of operation 61 Scan ner co ntrolle r bo a rd The sc anner contr oller board co ntrols the o peration of flatbed and ADF component s used i n the following scanning processe s: docum ent transpor tation, doc ument exposure, and imaging. When the copy processor bo ard send s the scan comma nds to the sc anner contr oller boar [...]

62 Theory of operatio n C9 148-9090 9 Scanner contr oller board connectors Figure 23. Scanner controller board connectors (sh iel d off) J1201 J1202 J1203 Scanner controller with the shield on J1208 J1206 J1205 J1207 J 1209 PI1201 J1210 T able 10. Scanner controller boa rd connector s Connector Des cription Remarks J1201 P ower-supply conne ctor 10[...]

C9148-90 909 5 Theor y of operation 63 Interm ediate PCB The inte rmed iate PCB c onnects th e copy processor boar d and the ADF to the scanne r controll er board. P ower supply The power suppl y conv er ts ac power from th e source inl et (power cord) to l ow-v oltag e dc power . Low-voltage power is suppl ied to variou s flatbed and ADF compone n[...]

64 Theory of operatio n C9 148-9090 9 P ower - supply b lock dia gram Figure 24. Power-supply block diagram[...]

C9148-90 909 5 Theor y of operation 65 Optical unit The optical un it consists of th e optical unit chassis, the scanning la mp , t he CCD driver PCB, and the optic al-unit motor . Wh en the power is tur ne d on, the s canner con troller bo ard activates the optical -unit mo tor , and the unit begi ns to move along the rail s. When the o ptical-uni[...]

66 Theory of operatio n C9 148-9090 9 In ver t e r PC B The inv er ter PCB p rovides the cur rent and voltage ph ase the s canning lam p requires. Scann ing lam p The scanni ng lamp illum inates the sourc e document , which causes reflected ligh t from the gla ss to be dir ected to the CCD dri v er PCB for document ima ging. CCD driver PCB When the[...]

C9148-90 909 5 Theor y of operation 67 ADF document-feed system Overvie w The ADF d ocument- f eed sys tem detects the presen ce of a s ource docu ment in the document tra y , p icks up the doc ument and t ranspor ts it th rough the ADF paper path, and the n delivers the source do cumen t to the ADF o utput. ● The ADF moto r rotates c ounterclock[...]

68 Theory of operatio n C9 148-9090 9 ADF co ver sensor ( PS10) The ADF d oor-ope n sensor (PS10) de tects ADF door st atus (open or closed ). If the AD F door i s opened, a FLATBED COVER OPEN mes sage appe ars on th e control-pan el display . If t he ADF do or is opene d dur ing the do cument transpo r t proces s, the ADF dr ive-motor stops and a [...]

C9148-90 909 6 Removal and repl acement 69 6 Remo v al and replacement Removal and replaceme nt strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Required to ols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Before per forming serv ice. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

70 Remova l and re placemen t C9148-909 09 Remo val and replacemen t strateg y This cha pter docu ments the removal and replaceme nt of fie ld replaceable units (FRUs) only . Reinstal lation is generally t he rev ers e of removal. Occa sionall y , n otes are include d to provide directi ons for difficult or cri tical replac ement pr ocedures. W ARN[...]

C9148-90 909 6 Removal and repl acement 71 Common fastener s T able 12. Common fasteners f ound in the MFP Illustration and description Black self-ta pping Phi llips-he ad screw Silver self-ta ppi ng Ph ill ip s- he ad sc r ew Machine sc rew with serrated washer Shor t P hillips-hea d screw with small shoulder Long Phil lips-hea d screw with large [...]

72 Remova l and re placemen t C9148-909 09 P ar ts remov al order Use the f ollowing diagram to deter mine the or der in which par ts must be remov e d (scan unit and ADF units onl y). T able 13 . P ar ts-r emov al tr ee ADF input tra y ADF pic kup roller ADF separa tion rolle r ADF s eparat ion pa d Control p anel door ADF unit Glas s Door interlo[...]

C9148-90 909 6 Removal and repl acement 73 User-replaceable parts ADF in put tray 1 Open the ADF cover . Gently pr y the inpu t-tra y hinge pin ( located tow ards the front of th e MFP; cal lout 1) out of its pivot hole. CA UTION The hin ge pin can easi ly be snap ped off o f the input tra y if too much pres sure is applied. Figure 29. Releas e the[...]

74 Remova l and re placemen t C9148-909 09 ADF pickup r oller 1 Open the ADF cover (callout 1 ). 2 Pull the plastic tab (call out 2) to rel ease the lower edge of the ro ller shiel d. Figure 31. Release the roller s hield 3 Release t he roller shield fro m the two smal l pins (c allout 3), a nd remove it from the p roduct. Figure 32. Remove the rol[...]

C9148-90 909 6 Removal and repl acement 75 4 Slide th e roller toward the ge ar end. G ently pr y th e roller-s haft locking tab ( callout 4) aw ay from the roller . Rem ov e the ADF pickup roller . Figure 33. Remov e the ADF pickup roller Hint When re placing the roller , v er ify that th e roller gear and dr ive gear are pr operly meshed. 3 4[...]

76 Remova l and re placemen t C9148-909 09 ADF separation r oller 1 Open the ADF cover , and remove the rolle r shield. S ee “ ADF pickup roller ” on page 74 . 2 Slide th e roller toward the gear end. G ently pr y th e roller-sh aft locking tab ( callout 1) aw a y from the ro ller . Remov e the ADF s eparation ro ller . Figure 34. Remove the AD[...]

C9148-90 909 6 Removal and repl acement 77 ADF separation pad 1 Open the ADF cover . 2 Press an d release t wo separation locking tabs ( callout 1; shown already releas ed). 3 Rotate the separation pad until it is per pen dicular to the produ ct. 4 Release the separat ion-pad ar ms (callout 2 ) by gently pressi ng them toward the A DF cov er . Figu[...]

78 Remova l and re placemen t C9148-909 09 ADF unit 1 Disconn ect the AD F cable (callout 1). Figure 37. Disco nnect the ca ble 2 Open the ADF unit , and lift it s traight up and off of the s can unit. Figure 38. Remove the ADF unit 1 1[...]

C9148-90 909 6 Removal and repl acement 79 Assemblies and co vers Control-panel door 1 Open the control- panel door, and remov e the pr int car tr idge. Cover the pr int car tr idge to keep it out of d irect light; s ee the HP L aserJet 4100 s eries printe r ser vice ma nual f or print- car tr idge in f o rm ation. Figure 39. Remove the print cartr[...]

80 Remova l and re placemen t C9148-909 09 5 Remov e one screw (callout 4 ), and di sconnect th e top edge o f the groundi ng str ip . Figure 41. Disconnect the control-panel grounding strip 6 Disconn ect the co ntrol-pane l-cable connec tor (cal lout 5). 7 Separate th e door-sup por t pi ns (callo ut 6) to rel ease them. Figure 42. Release the con[...]

C9148-90 909 6 Removal and repl acement 81 8 Flex the left ar m (c allout 7) t o the r ight (inward), and move the contr ol-panel d oor toward the rig ht side of the product until the ar m releases. S lide the con trol-panel door toward the left, and rem ov e it f rom the pr oduct. Figure 43. Remove the control-panel door Note Step 9 is ess ential.[...]

82 Remova l and re placemen t C9148-909 09 Scan-unit right- side co ver Note If a dup le x access or y is ins talle d, remove it to acce ss the r ight-si de cover mounting screw . 1 Remov e one screw (callout 1 ) from the p lastic t ab on the s can-unit r ight-sid e cov er . Figure 45. Remove the right- side cover sc rew 2 Grasp the plastic ta b an[...]

C9148-90 909 6 Removal and repl acement 83 Copy pr o cessor board 1 Remov e the sc an-unit r ight-side cov er . See “ Sc an-unit r ight-sid e cov er ” on page 82 . 2 Unplug the ADF co nnector cable (callout 1) and remove two screws (call out 2). Figure 47. Disco nnect the ADF c ables CA UTION Slidin g the CPB out without unplugging the high-spe[...]

84 Remova l and re placemen t C9148-909 09 Scan-unit left-si d e co ver Note If a dup le x access or y is ins talle d, remove it to acce ss the r ight-si de cover mounting screw . 1 Remov e one screw (callout 1 ) from the s can-unit l eft-side cover . Figure 49. Remove the left-side screw 2 Gently pr y the rounded top edge o f the cover (callout 2)[...]

C9148-90 909 6 Removal and repl acement 85 3 Pull the cov e r downward and aw ay from the left side of the p roduct. Lift the cover up to release i t, and then remov e it from the produ ct. Figure 51. Remov e the scan-u nit left-side co ver[...]

86 Remova l and re placemen t C9148-909 09 Intake fan filter 1 Remov e the scan-u nit left- side cover . See “ S can-unit le ft-side cover ” on page 84 . 2 Remov e the intake filter ( callout 1). Figure 52. Remove the intake f ilter. 1 1[...]

C9148-90 909 6 Removal and repl acement 87 Forma tter ca g e 1 Grasp the ba ck edge (callout 1 ) of the forma tter-cage c ov er. 2 Pull the cov e r toward the back of the prod uct, and r emov e it. Figure 53. Remov e the formatter -cage cover 3 Remov e two screws (callou t 2). 4 Slide th e f or ma tter cage toward the b ack of the produc t approxim[...]

88 Remova l and re placemen t C9148-909 09 5 T wist th e f or matter awa y from th e right s ide of the pr oduct, an d unplug th e high-spe ed copy conne ct cable (call out 4). 6 Remov e the f o r matte r ca ge. Figure 55. Disconnect the formatter high-speed copy connec t cable Note When r eplacing t he formatt er cag e, align the b ack of the f o [...]

C9148-90 909 6 Removal and repl acement 89 Scan unit 1 Remo v e t he fo llowi ng cov ers an d asse mbli es: • ADF unit. S ee “ ADF unit ” on page 7 8 . • scan-uni t ri ght-side an d left-side cov er s. See “ Scan-u nit r ight-side cov er ” on page 82 through “ S can-unit l eft-side cover ” on page 84 . • formatter cage. See “ F [...]

90 Remova l and re placemen t C9148-909 09 5 Disconn ect the scan unit cable (ca llout 2) und er the gl ass. Figure 58. Disco nnect the sc an unit cable 6 F ace the front of th e product, a nd remov e two screws (callou t 3). 7 Slide th e scan un it toward the back of the prod uct, and r emov e it. Figure 59. Remove the scan un it 2 2 3 3[...]

C9148-90 909 6 Removal and repl acement 91 Printing-unit top cover 1 Remov e the sc an unit. S ee “ Scan unit ” on p age 89 . 2 Open the rear output door . 3 Remov e two screws (cal lout 1) from the back of the prod uct. Figure 60. Remove the top-cover rear-mounting screws 4 F ace th e front of the product, and open the control-pan el door . 5 [...]

92 Remova l and re placemen t C9148-909 09 Glass Note It is not n ecessar y to rem ov e the scan uni t from the pr int u nit (as sh own) to remove the glass. 1 Remo v e t he ADF as semb ly . See “ ADF un it ” on page 78 . 2 Remov e three scre ws (callout 1). Figure 62. Remove the glass mounting screws CA UTION Use cauti on, the thin plastic tab[...]

C9148-90 909 6 Removal and repl acement 93 Scanning lamp 1 Remov e the gl ass. See “ Glass ” on page 92 . CA UTION Do not t ouch the l amp , because s kin oils ca n create h ot spots. Do not touch the m irror , because finger pr ints will affe ct print qual ity . 2 Note the c able routing patte rn , and examine the pin k cable where it re sts o[...]

94 Remova l and re placemen t C9148-909 09 4 Remov e the cable from the c ab l e guides and trough ( callout 4) . 5 Hold the black end (c allout 5), a nd slide the lamp t oward the back of the prod uct (in the direction of the arrow). Figure 65. Remove the scanning lamp CA UTION When i nstallin g the scanning l amp , the wire har ness must be pr op[...]

C9148-90 909 6 Removal and repl acement 95 Optical unit 1 Remove the following assem blies: • glass. See “ Gl ass ” o n page 92 • scanning l amp . See “ Sc anning la mp ” on pa ge 9 3 . CA UTION Do not touch the m irror , bec ause finger prin ts will affect pr int quality . CA UTION It is impor tant to note th e routing an d placemen t [...]

96 Remova l and re placemen t C9148-909 09 3 Center the optical unit in th e scan unit t o allow acce ss to the optical-un it dr ive-belt tensio n brack e t (callout 2) . 4 Loosen, but do n ot remove , the tensi on-sprin g brack et screw (callout 3) and swiv el the brack et to release the ten sion on the drive-belt (c allout 4). S lip both end s of[...]

C9148-90 909 6 Removal and repl acement 97 Reinstall Note An ytim e the glas s is remo ved and re placed, calib rate the ADF/scan u nit. See “ Cal ibration ” on page 47 . Reinstall Note With the optical uni t install ed, plac e the optic al-unit dr ive-belt onto the dr iv e and tension gear s. V er ify that the dr ive-belt teeth f ace in ward a[...]

98 Remova l and re placemen t C9148-909 09 ADF door o pen sensor (PS10) 1 Remov e the glass. See “ Glass ” on page 92 . 2 Unplug one connect or (callo ut 1). 3 Remov e one screw (callout 2 ). 4 Lift the A DF door se nsor up, and remove it from the product . Figure 73. Remove the ADF door open sensor Reinstall Note When re placing the glass, ver[...]

C9148-90 909 6 Removal and repl acement 99 Optical-unit dri ve gear/motor assemb ly 1 Remove the following assem blies: • glass. See “ Gl ass ” o n page 92 . • optical unit. See “ Optic al unit ” on page 95 . 2 Rele as e t he mo tor ca b le (call o ut 1) fr om the wire la nc e on th e in t erlo c k sw i tc h, an d fr o m the two wire-ha[...]

100 Removal and replac ement C9148-909 09 5 Remov e two scr e ws (call out 5). 6 Lift the op tical-uni t drive gear/m otor assem b ly (cal lout 6) up, and remove it from the product. Figure 75. Remove the optical-unit drive gear/motor assembly Note When r eplacing the gear /motor as sembly , alig n the as sembly on t he three locator p ins (c allou[...]

C9148-90 909 6 Removal and rep lacement 101 Scan-unit power suppl y 1 Remove the following assem blies: • glass. See “ Gl ass ” o n page 92 . • optical unit. See “ Optic al unit ” on page 95 . • optical -unit dr ive gear/motor assembly . See “ Optical -unit dr ive gear/motor assembly ” on page 99 . CA UTION The product co ntains c[...]

102 Removal and replac ement C9148-909 09 3 Unplug two co nnecto rs (callou t 2), and rem ov e them from the plastic harn ess re tainers on the power-supp ly chassis. 4 Remov e two scr e ws (call out 3). 5 Remov e one grou nd-clip screw (callout 4). 6 Lift the power suppl y up , and remove it from the scan un it. . Figure 77. Remove the power s upp[...]

C9148-90 909 6 Removal and rep lacement 103 In verter PCB 1 Remov e the gl ass. See “ Glass ” on page 92 . CA UTION The product co ntains c omponents that are sen sitive to electr ostatic dis charge (ESD). Al wa ys perform ser vice wor k at an ESD-prote cted work station. If an ESD-p rotected wor kstation is not av a ilable, discharge body stat[...]

104 Removal and replac ement C9148-909 09 Scan ner contr olle r PCB 1 Remov e the f o llowing ass emblies: • cop y proc essor boa rd (CPB). See “ Cop y pro ces sor bo ard ” on pa ge 8 3 . • glass. See “ Glass ” on page 92 • optical unit. See “ Opt ical unit ” on page 95 . • inv er ter P CB. See “ Inv er ter PCB ” on page 103[...]

C9148-90 909 6 Removal and rep lacement 105 4 Reach thr ough the copy proces sor board cavity , an d grasp the scanner controll er PCB. Figure 80. Grasp the scanner controller PCB 5 Slide th e scanner controller away from th e product to disconn ect it. Then , tilt it u pward, and lift it o ut of the scan unit. Figure 81. Remove the scanner control[...]

106 Removal and replac ement C9148-909 09 Intake fan 1 Remov e the f o llowing ass emblies: • cop y proc essor boa rd (CPB). See “ Cop y pro ces sor bo ard ” on pa ge 8 3 . • glass. See “ Glass ” on page 92 . • optical unit. See “ Opt ical unit ” on page 95 . 2 Unplug the f a n connector from the scanner c ontroller PCB (the 3- pi[...]

C9148-90 909 6 Removal and rep lacement 107 4 Discon nect the 10-p in scanner controller PCB con nector (call out 2) to p rovide acces s to the fan air duct (cal lout 3). Use care wh en removing the f a n air duc t (callou t 3) to prev en t bending or breaki ng its locking t ab . 5 Carefull y lift the f an air duct l ock ing tab (callout 3) and sli[...]

108 Removal and replac ement C9148-909 09[...]

C9148-90 909 7 T rou bleshooting 109 7 T roub leshooting Troublesho oting proce ss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 Prelimin ary operatin g checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Installati on condit ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 12 Media c o[...]

110 Troubles hooting C9 148-90909 Determin e where medi a jams occ ur . . . . . . . . . . . . . . . . . . . . 140 Is the MFP is misfeed ing or cre ating multife ed jam s . . . . . . . . 140 Isolate a media brand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141 Isolate a media ty pe. . . . . . . . . . . . . . . . . . . . . . .[...]

C9148-90 909 7 T rou bleshooting 111 T r ou bleshooting pr ocess The trou bleshooting p rocess is a s ystematic approach that addr esses th e pr imar y pr oblems first, and then o ther pro b lems, to di scover the causes for MFP mal functions an d errors. The “ Basic troubleshooting process flow ” on page 113 illus trates the prim ar y steps fo[...]

112 Troubles hooting C9 148-90909 Preliminary oper ating chec ks V er ify t hat the con ditions in the following list s are me t before troubleshooti ng a speci fic MFP problem. Installation conditions ● The MFP i s plugge d in, and spe cified p ower is delivered. Hint The pr int unit a nd the sc an unit have separate power cor ds and power rece [...]

C9148-90 909 7 T rou bleshooting 113 Basic tr o ub l eshooting process fl ow Figure 85. Basic troubleshooting flowchart[...]

114 Troubles hooting C9 148-90909 Basic tr oubleshooting V er ify t hat the con ditions in the following list s are me t before troubleshooti ng a speci fic MFP problem. T able 15. Basic troub le shooting # Ve rifica t ion step s P ossible pr oblems Solutio ns 1 Is P ower O n success ful? When power is tur ned on the follo wing e vents take place: [...]

C9148-90 909 7 T rou bleshooting 115 4 Is the c op y function operat iona l? Place the configuration page into the ADF input and cop y it. The page should feed smoothly through the flatbed path and copies should pr int without print-quality prob l e ms . Co p y first from the glass and then from the ADF to deter mine if the problem is with the pr i[...]

116 Troubles hooting C9 148-90909 P o wer-on def ects T able 16 . P ower malf unctions Item S olutio n ADF unit o r scan un it does n ot functio n. ● Print a print-en gine test (see the HP LaserJ et 4100 ser ies pr in ter se r v i ce ma nu al for more i nform atio n). This hel ps to isola te the po wer ma lfunction to the print unit or th e scan [...]

C9148-90 909 7 T rou bleshooting 117 T r ou bleshooting wit h the control panel The tables in th is sec tion explain commo n messag es that mi ght appear on the c ontrol-pane l disp la y . Within each table, the mess ages and their meani ngs are listed in a lphabetic al orde r , with numbered m essages li sted at th e end of the tables. Control-pan[...]

118 Troubles hooting C9 148-90909 Interpret the event log Each individual entr y in the log i s called an error , whi le all err ors that occur at th e same pa ge count ar e called an e vent. Events usual ly concl ude with a t ime-out or no respons e from the de vice (error 66.xy in the ev en t log). Use the ev e nt log tables in this se ction to a[...]

C9148-90 909 7 T rou bleshooting 119 Displa y the even t log The dis play ed event log allows th e customer to scroll through the conten ts of the ev e nt log fr om the con trol panel. Se lect this to display the 50 most recent ev ents , with the most re cent first. Us e the navigatio n buttons to scroll through the event log conte nts. If the ev e[...]

120 Troubles hooting C9 148-90909 Contr ol-panel messages Be sur e to rea d the exact te xt o f the con trol-pa nel messag e, includin g the erro r message number (not all error me ssages display an error numb er) and the text, in order to loca te the error message in the tables. The c ontrol panel f or this MFP store s enhanced informatio n. Not a[...]

C9148-90 909 7 T rou bleshooting 121 Check Cables A nd Cycle Po wer Commu nic ati on between the printer f or matter and the cop y processor b oard has f ailed. 1. V er ify that the high-s pee d cop y connect cab le between t he formatter a nd the cop y proc essor boar d i s corr ectly conne c t ed (see “ For m a t t e r c a ge ” on page 87 ). [...]

122 Troubles hooting C9 148-90909 30.0.01 or 30.0.02 SCANNER I/O FAILURE CHECK COPY CON NECT CARD Comm unicat ion has f ailed betw een the cop y proc essor bo ard and t he f or matter . 1. V erify that the high-speed cop y conne ct cab le betw e en the f orm atter and the cop y proce ssor board i s correctly connec ted (see “ F ormatter cage ” [...]

C9148-90 909 7 T rou bleshooting 123 30.1.19 Scan Fai lure The sca nning lam p does not illuminate . Inv er ter PCB or scanni ng lamp f ailure . 1. V erify that the scanning lamp br iefly illumin ate s wh en the prod uc t ’ s pow er is turned on (op en the flat bed cov er to vie w the lamp and then turn the po wer on). -Or- Use the control-p anel[...]

124 Troubles hooting C9 148-90909 T r ou bleshooting with the copy pr ocess or boar d The table in this sec tion is a quick reference sou rce for troubleshoo ting comm on copy proces sor board ( CPB) failures that might occu r after o r during C PB in itialization. The LED p atter n colu mn descr ibes the status of the four LEDs locate d on the bac[...]

C9148-90 909 7 T rou bleshooting 125 T able 19. T roubleshooting copy processor boar d LEDs LED pattern (LJ4100mfp and LJ4101mfp only) Contr ol panel display M FP functionality Action OFF OF F OFF OFF None (n o power) ● Print (a config uration pag e)-no ● Cop y (from the ADF or gl ass)-no ● Send (digi tal sending)-no 1. V erify the MFP pow er[...]

126 Troubles hooting C9 148-90909 User -level and ser vice-le vel diagnostics ADF paper -path test The pape r-path tes t can be us ed to verify that various paper paths are worki ng prope rly or to troubleshoot pr oblems with tray config uration . T o print a paper-path test 1 Press t he MENU button. 2 Select DIAGNOSTICS . 3 Select PAPER PATH TEST [...]

C9148-90 909 7 T rou bleshooting 127 Service-level diagnostics Service men u The se r vice menu MF P comma nds shou ld be use d only by auth orized se r vice pers onnel. Y ou can gai n acce ss to th e ser vice menu only by using the ser vice PIN code 0441000 2 . While in the ser vice m enu, you can do th e f ol lowing: ● Clear the ev ent log. ●[...]

128 Troubles hooting C9 148-90909 Jam tr ou bleshooting Media ja ms occu r when media either does not reach o r does n ot clear the document-d etect sensor (PS1) an d leading-e dge sens or (PS2) in a speci fic amoun t of time ( see “ ADF doc ument- f e ed sy st em ” on pa ge 6 7 and “ ADF componen ts ” on page 56 ). If a paper j am occurs, [...]

C9148-90 909 7 T rou bleshooting 129 Clearing repeated ADF jams 1 Check to see that media is correctl y loaded in tra ys and th at the ADF input tray guides are corr ectly ad juste d (see “ General ADF jam t roubleshooting ” on page 128 ). 2 T r y tur ning ov e r the stack of pa per in th e tra y . If you are using lett erhead pa per , tr y p r[...]

130 Troubles hooting C9 148-90909 Ev alu ate the inf ormation pages F rom th e MFP control panel, you can pr int page s that give details about the MFP a nd its curre nt configura tion. The f o llowing infor mation pages are available: ● Config uration page • JetDire ct page (if a JetDirect card is installed ) ● File-dire ctor y page ● Usag[...]

C9148-90 909 7 T rou bleshooting 131 Figure 89. Sample configuration page Hint If an HP JetDi rect EIO c ard is in stalled, an HP JetD irect conf iguration p age will a lso be pr inted. A C E D F B CPB firmware version (flash DIMM) This migh t not change wh en a remote f irmware update is install ed Fo r m a t t e r firmware (print engine ) version[...]

132 Troubles hooting C9 148-90909 JetDirect pa ge Use the J etDirect pag e to view current ne twork sett ings, to help tro ubleshoot MFP pro b lems, or to verify networ k statisti cs or protoc ol informati on. JetDire ct-page ele ments A. HP JetDirec t con fig uration B. Network statistics C. Protoc ol informa tion Figure 90. Sample J etDirect page[...]

C9148-90 909 7 T rou bleshooting 133 Supplies status page Use the s upplies st atus page to view current prin ter supply status, to help t roubleshoot MF P problems, or to verify MFP informati on. Supplies-page elements A. Supplie s-ord erin g informat ion B. Car tr idge infor mation C. Other sup plies in f or mat ion D. De vice inf or mati on Figu[...]

134 Troubles hooting C9 148-90909 Usage page The us age page is design ed to fit into a pa y-per-page ( PPP) mo del. A r eseller can con figure the usage pa ge with i nstr uctions tha t a user can send the infor mation ba ck to the rese ller in order to prepar e bills. Pri nt a usage page from the M FP con trol pane l (or gain a ccess to th e infor[...]

C9148-90 909 7 T rou bleshooting 135 File director y page Use the fi le directo r y page to view current d irector y str uctures, to help tro ubleshoot MFP problems, or to v e rify s torage capabil ities. File-direc tor y-pa g e ele ments A. Director y informati on Figure 93. Sample file -directory page 2 A[...]

136 Troubles hooting C9 148-90909 Image-formation tr ou bleshooting When wor king wi th users, obtain a p rin t sample b ef ore trou b l eshootin g the MFP . Also , ask the user to descri be the qua lity expected from the MFP . The pr int samp le helps clari fy the user ’ s descr iption of the problem. Hint When tro ubleshooting ima ge defects, t[...]

C9148-90 909 7 T rou bleshooting 137 Checki ng the print car tridge Image-for mation de f e cts are ofte n the resul t of problems with the pr int car t ridge. Us e the following list to verify that the p rint car tr idge is still op erating co rrectly . Hint If toner gets o n y o ur clothi ng while you are hand ling the print car tr idge, wipe it [...]

138 Troubles hooting C9 148-90909 Image-def ect tables Hint The ima ge defects descr ibed i n this sec tion are associ ated with the ADF un it and the scan un it. F or more i nf or ma tion about image d ef ects and their caus es, see the HP LaserJet 4100 ser ies pri nter ser vice manual. The MFP o utput qual ity is sub ject to user judgment. T his [...]

C9148-90 909 7 T rou bleshooting 139 P age sk ew The ADF u nit or scan u nit needs to be calib rated. ● Calibra te the sc an unit. See “ Cali brati on ” on page 47 and/or “ P e r f or ming manual calibr ation ” on page 48 . ADF inpu t tra y guides are not properly adj usted. ● V erify that th e ADF guides are not adjuste d to tigh tly a[...]

140 Troubles hooting C9 148-90909 Media troub leshooting Media defects can c ause ja ms and im age defects. If the previously descr ibed cond itions are corre cted and the pr inti ng problem is n ot correc ted, conti nue to inv es tigate the media as the source of the defect. Problems with p rint media are s ometimes difficult to detect. T o dete r[...]

C9148-90 909 7 T rou bleshooting 141 Isolate a media brand If the M FP jams with only one brand of med ia: ● T r y switching me dia brands. ● If the paper ream in use appears to be ol d, open a fresh ream of the same pap er and load it proper ly into the MFP . If the problem d isappears, investigate sto rage and han dling conditi ons. Isolate a[...]

142 Troubles hooting C9 148-90909 Wiri ng diagrams Figure 94. Wiring diagram[...]

C9148-90 909 8 P ar ts and di agrams 14 3 8 P ar ts and diag rams Orderin g parts, supplie s and getti ng support . . . . . . . . . . . . . . . . . . . 1 44 Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Related d ocumentation and software . . . . . . . . . . . . . . . . . . . . . . 144 Suppo[...]

144 Parts and dia gr ams C9148-9 0909 Ordering par ts, supplies an d gett ing suppor t Pa r t s Order r eplacement p ar ts fr om the following website : http://www .hp.com/ssg/par ts/direc t_order .htm l Related documentation and software Order doc umentati on and soft ware from the si tes listed in table 24. Some d ocumentat ion and software ar e [...]

C9148-90 909 8 P ar ts and di agrams 14 5 Accessories The following items are av ailable thro ugh your local authorized HP dealer. T o find a dealer near you, call the HP Customer Infor mation Ce nter at (1) (800) 752-09 00. Hint Optiona l 2-MB and 4-M B Flash DIMMs ar e a vailab le f or the HP 4100 Las erJet ser ies pr inter . Do not inst all the [...]

146 Parts and dia gr ams C9148-9 0909 Common h ard ware The produc t has si x commo n f astener s. See table 27 for a descr iption of these sc re w types. HP Laserjet 4100 differences The HP L aserJet 41 00mfp and th e HP Lase rJet 4101mfp are based o n the HP 41 00 seri es pri nter . See table 28 f or a li st of majo r differences between the HP 4[...]

C9148-90 909 8 P ar ts and di agrams 14 7 How to use the par ts lists an d diagrams The fig ures in this chapte r illustrate the major subassem blies in the M FP and t heir com ponent par ts. A ta ble (par t numb er list) follows eac h e xploded assembly di agram. Each t able lists the reference designato r , the ass ociated par t number for the it[...]

148 Parts and dia gr ams C9148-9 0909 P ar ts lists a nd diagrams Figure 95. Covers 1 2 3 4 5[...]

C9148-90 909 8 P ar ts and di agrams 14 9 T a ble 29. Cover s P art Numbe r Description Reference RB2-8751 -000CN Handle , face -up 1; Figure 95 RB2-8757 -000CN C ov er , side left 2; Figure 95 RB2-8758 -000CN C ov er , side right 3; Figure 95 C9148-4 0001 C9148-4 0002 C9148-4 0003 C9148-4 0004 C9148-4 0005 C9148-4 0006 C9148-4 0007 C9148-4 0008 Co[...]

150 Parts and dia gr ams C9148-9 0909 Figure 96. Top-c ov er ass embly 1 2 4 3 5 7 6 8[...]

C9148-90909 8 Parts and diagrams 151 Table 30. Top-cover assembly Part Number Description Reference RG5-6563-000CN Control-panel assembly 1; Figure 96 C9148-69002 Exchange Control-panel assembly 1; Figure 96 RB2-8749-000CN Rod 2; Figure 96 RB2-8754-000CN Spring holder, upper 3; Figure 96 RB2-8755-000CN Spring holder, lower 4; Figure 96 RB2-8748-000[...]

152 Parts and dia gr ams C9148-9 0909 Figure 97. Scan unit (1 of 2) 10 2 3 4 5 7 8 1 11 6 9 12 13[...]

C9148-90 909 8 P ar ts and di agrams 15 3 T a ble 31. Scan unit (1 of 2) P art Numbe r Description Reference RH7-3074 -000CN Lamp , scanner 1; Fi gure 97 RG1-4124- 000CN Optical unit (com es with the scan ning lam p and ribbon cable ) 2; Fi gure 97 RA2-2964 -000CN Belt, timi ng 3; Figure 97 RS1-2417 -000CN Spr ing, T ension (tension spr i ng for op[...]

154 Parts and dia gr ams C9148-9 0909 Figure 98. Scan unit (2 of 2) 6 1 4 2 3 5 7 8 9 10 11 12 13 14[...]

C9148-90 909 8 P ar ts and di agrams 15 5 T a ble 32. Scan unit (2 of 2) P art Numbe r Description Reference RG1-4120- 000CN ADF door-open sensor assemb ly (PS10) 1; Figure 98 RG1-4122- 000CN Scan-unit mot or assembly (optic unit driv e gear/motor) 2 ; Figure 98 R G 1 - 4 17 5 -00 0 C N P o w e r s up p ly w i th v e r i s tor c o v e r (does not i[...]

156 Parts and dia gr ams C9148-9 0909 Figure 99. Glass , formatter, CP B, and cables 1 2 3 4 5[...]

C9148-90 909 8 P ar ts and di agrams 15 7 Note T o find the par t numbers for a hard dis k, memor y DIM Ms, JetDirect car d, or oth er accessor ies, see “ Acce ssor ies and supplies ” on page 145 . Table 33. Glass, formatter, CPB, high-speed copy connect cable, and power cord P art Numbe r Description Reference RG1-41 27-000C N Glass a s sembly[...]

158 Parts and dia gr ams C9148-9 0909 Figure 100. ADF unit (1 of 2) 2 3 4 1[...]

C9148-90909 8 Parts and diagrams 159 Note Only replace the entire ADF unit if all attempts to troubleshoot the unit at a component level have failed or if the ADF unit component that has failed is not a service part (it has no part number). See “Troubleshooting” on page 109 . Table 34. ADF unit (1 of 2) Part Number Description Reference RG5-654[...]

160 Parts and dia gr ams C9148-9 0909 Figure 101. ADF unit (2 of 2) 1 2 3 4 5[...]

C9148-90 909 8 P ar ts and di agrams 16 1 Table 35. ADF unit (2 of 2) P art Numbe r Description Reference RF5-380 8-000CN Separ ation-pad assem bly 1; Figure 1 01 RS6-2572 -000CN Spr ing, compre ssion 2; Figure 1 01 RB2-8769 -0000CN Roller , pick up 3; Figu re 101 RG5-6583- 000CN Roller , sepa ration 4; Figure 1 01 RB2-8781 -000CN C ov er , roller [...]

162 Parts and dia gr ams C9148-9 0909 Alphabetical par ts list T able 36. Alphabetical pa rts list P art Nu mber Descript ion Ref. RG1-4120 -000CN ADF door-o pen sens or assemb ly (PS10) 1; Figure 9 8 RG5-6579 -000CN ADF input tra y 1; Figure 1 00 RG5-6549 -000CN ADF uni t (entire assemb ly) Does no t include the ADF inpu t tra y (RG5-6579-000CN) R[...]

C9148-90 909 8 P ar ts and di agrams 16 3 RF5-380 4-000CN Mylar-she et holder 4; Figure 100 RG1-4124- 000CN Op tic al uni t (comes w ith the scan nin g lam p and r ibbon cable) 2; Figure 97 RG5-6644- 000CN P anel cab le 6; Figure 96 RA2-2943 -000CN Plate , Guide low er 14; Figu re 98 RA2-2949 -000CN Plate , Guide upper 13; Figu re 98 C9148-6 0102 P[...]

164 Parts and dia gr ams C9148-9 0909 Numerical par ts list T able 37 . Numerical p arts li st P art Nu mber Descript ion Ref. 5969-866 0 High-speed copy c onnect cab l e 4; Figu re 99 C7844 -679 01 Formatter as se mb ly , 4100mfp an d 4 101mfp without hard disk, DIMMS , or JetDire ct card 2; Figure 9 9 C8541- 67901 Cop y processor boa rd (CPB) wit[...]

C9148-90 909 8 P ar ts and di agrams 16 5 RG1-4124- 000CN Op tic al uni t (comes w ith the scan nin g lam p and r ibbon cable) 2; Figure 97 RG1-4127- 000CN Gl ass assem bly 1; Figure 99 RG1-4131- 000CN Pull ey , carriage assem bly (optic -unit driv e- belt ten sion brac ket) 5 ; Figure 97 RG5-5298- 000CN Co ver , front as sembl y 5; Figure 95 RG5-6[...]

166 Parts and dia gr ams C9148-9 0909[...]

C9148-90 909 Index 167 Inde x Symbols ? (Help) key 30 A accessories included 14 ordering 145 acclimation, environment 112 ADF (automat ic document feeder) blank pages, troubleshooting 138 cable, locating 21 calibrating 47, 48 capacity 14 cleaning 36, 37 components 56 connectors 62 diagrams 158, 160 door-open sensor (PS10) 55, 98, 12 1 error message[...]

168 Index C9148- 90909 copying control panel keys 30, 31 features 15 operations overview 52 resolution 15, 16 skew specifications 17 speed 15, 16 status bar 31 troubleshooting 115, 123 using ADF 28 using glass 29 country of origin 19 counts, clearing 12 7 covers cleaning 36 control panel, removing 79 diagrams 148 formatter-cage, remo ving 87 left-s[...]

C9148-90 909 Index 169 FPGA operations 57, 60 FRUs (field replaceable units) alphabetical list 162 numerical list 164 ordering 144 part numbers 147 removing and replac ing 24, 70 user-replaceable 39 fuse, overcurrent protection 63 G glass calibrating scanner 48, 49 cleaning 36 copying from 29 diagram 156 media specifications 18 part number 157 remo[...]

170 Index C9148- 90909 mylar strip, cleaning 36, 37 N networks, firmw are updates 4 2, 43 numbers, part alphabetical list 162 numerical list 164 NVRAM initialization 46 O operations ADF document-feed system 67 component diagrams 54 copy processor board (CPB) 57 image processing 58 intermediate PCB 63 motor circuits 61 optical unit 65 overview 52 po[...]

C9148-90 909 Index 171 RFUs (remote firmware updates) configuration page 130 HP Web JetAdmin procedures 42 installation 41 troubleshooting 44, 119 Windows parallel connection procedures 43 right-side cover, r emoving 82 rollers diagrams 56, 160 operations 67, 68 part numbers 161 pickup, removing 74 separation, removing 76 user-replaceable 39 S scan[...]

172 Index C9148- 90909 troubleshooting basic steps 111, 114 configuration page 130 control panel 114, 116 copy processor board (CPB) 121 , 124 copying 115 diagnostics 126 error messages 120 file directory page 135 firmware updates 44, 119 flowchart 113 image quality 136, 138 information pages 11 4, 130 installation environment 112 inverter PC B 123[...]

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*C9148 * *C9148 * -90909 -90909 C914 8-90 909 http://www .hp .com/support/lj4100mfp http://www .hp .com/support/lj4101mfp[...]