Lexmark C 76x Printer Service Manual
Contents
1. ooooocoococnrncnnar ano m 2 63 Inpur Sensor service Check adus x a0 cod AURA LE a RR Gd AGER ed KA eRe Tes 2 64 Exit sensor service CHECK sans adbkld RA ERG EA AAA AAA A EUER ro aan 2 64 Dead machine service CHECK aiia Ea Ad Ag ds RA ER A dE A x EAQUE AERE RE E tada RE 2 65 Operator panel service Check 24 0 05 ccecc ua a cu ku ia ERI Era RR ERR ERE a AERA RE 2 66 One or more operator panel buttons fail 0 0 0 ee eee 2 66 Opatatar panel display seras ran ieee ernie eaa E End a ee 2 67 Print quality service Check iia a A A A AA OA 2 68 Print quality backgro id 2 122212 ii A goa ds 2 69 Prnteuali bla k pade calco rias 2 70 Print quality blu rmed or Iuzzy print iius cre Re t RR RR ERE RERTRREGS 2 71 Printq aliby all color Page uaa wd apes qas Red cages Rau Redes Beare equ eae 2 71 Print quality horizontal bandihig 22 cseeickersedeeies Or HERE ee EE posed peed E es 2 71 Print quality Ahofnsontel line o aco nup tke ater dase ad knee names qUR GM E Greta 2 72 Pint qualitvy INGuinicionitNSinG baca 2 72 Print quality Missing Image alc ede axe ovrel o I EREIYHEY e ie 2 72 Print quality mottle 2 5mm speckles s srosicrtorisa rr arar pieis o ddaa ia 2 72 Print quel Rarrow vertical lille se atasca a dde tB ars 2 72 Pint qualiby randontqnarKS coat AAA A 2 72 Print quality residual mage i es IA er PRESA Geese ds a se cds 2 73 Puntqualty solid color page ciar A 2 73 Print quality vertical bandi 92x2. Mali COMPONSE ua dede det der ductis P PV es dd i area ars i e dob Be 1 16 Printmedia WANSPOM roger riscos 1 17 Mechanical CIWS sioe pass ai sailor capi 1 21 Paper Sensing osos iere sss da AI 1 25 Paper Jams xusscgucs xke AR CR UR A GR RR RE Ce C EE RISO AA 1 27 Electrophotographic EP process 0 cece eee eee eee eee eee ee eee 1 28 Mall COMPONEN ug ipe easi qoe karo ds S Sees Mees Se E 1 28 foco E Cr erario 1 29 ciis lp P m 1 34 DOeVveloBinl Lister isco soscedsea Dee re Eod oio PR Ba dE A A Rode e 1 35 Wish E ems 1 36 FUSING Lue st Eb Leerxs cee hs PREGA b pir QSsceqi ac deme Pd apod d du Hco s Citar ies 1 37 er uj EP nm 1 38 o RW TUTTI TIT TII lit il A 1 39 SV IMCHOCK SWIC aristides PPEFENa4 SEE 1 39 PAY INIGNOCK SWIIG rosas geirio d due ERR ESSE Cp dams qd edis 1 40 Table of contents iii 5022 xxx Diagnostic information 2 1 o Ar Un 2 1 SVO TRIS iios dezqus bbs dire oq Respeiaieq dq dead ebsneeassawareaagase 2 1 Service errore AKER SOMONE iubes sub bene ns P Race wer Rd quedo duds 2 1 User status and attendance messages 2 0 e eee eee eee eee 2 1 Understanding the operator panel 00 cece eee eee ee eee eee eee eee nnn 2 2 ldicator Bh i4 iuda koc dies RR CI OR ACAD EERE ee a RC RUN CUR RRO EE REOR Ee RRO 2 2 ilio eC 2 3 Power on self test POST sequence 2 00 c cece eee cence eee n n nn nnn 2 4 SUmDIOmIgbIBS Lic danos P bui I A A t aei o ds Iq pee
3. eee eee eee 2 45 920 08 POST power on self test error service check 00ce cece eee eee eee 2 46 920 09 12 POST power on self test error service check Ls 2 47 920 13 POST power on self test error service check seseseeeeeeeee 2 49 920 14 POST power on self test error service check 002ce cece eee eee eee 2 50 920 15 POST power on self test error service check 20e cece eee eee een 2 51 920 16 POST power on self test error service check 202 ce cece eee eee eee 2 51 920 17 POST power on self test error service check Lesllssless 2 52 920 18 POST power on self test error service check 0000 cee eee eee eee eens 2 52 920 19 POST power on self test error service check 200ce cece eee e eee 2 53 925 01 Fan error service check oooooocooccoconocac eee eee eee eens 2 53 945 00 946 00 947 01 Transfer roll yellow error service check see 2 54 945 01 946 01 947 02 Transfer roll cyan error service check esee 2 56 945 02 946 02 947 03 Transfer roll magenta error service check 2 58 945 03 946 03 947 04 Transfer roll black error service check lesse 2 60 950 00 through 950 29 EPROM mismatch failure 00 0c eee eee eee 2 62 iV Service Manual 5022 xxx 950 30 through 950 60 EPROM mismatch failure
4. nga denied 2 5 Printer symptom taDIE 22522 sab b na tl RECIEN ARA eee eee an Ed Roos KR dod e 2 5 Printquality symptom 18DIe a mass d cr 39 408 ASADA ADA 2 5 ee ee ere RR RA AAA ARAS CERERI RR ERG E ee ee 2 5 Service uror COS 22 beside Sad OE MARS Eder Seeks pais SUE UR RENS dai 2 6 Userattendance MESSAGES sruekssaatasuska oda ase Eb EANET EATE saw RURAL ERROR ee 2 11 User attendance messages paper jams and paper handling errors 2xx xx 2 19 Printer service CHECKS orinar En OG Papa d Rea RA RE Ed eae dE RR ERR ERR we we B 2 27 110 xx Mirror motor service check ooooooocococcocon nnn 2 27 111 xx Printhead error service check 000 c cece eee eee tence eee eens 2 27 112 xx Printhead error service check 0c e cece eee eee eee eee eens 2 28 113 xx Printhead error service check 00 c cece eee eee eee eee eee eee 2 29 114 xx Printhead error service check 00 c cece eee eee eee eee eee nnn 2 30 120 01 02 08 10 13 15 Fuser error service check esee 2 31 120 03 Fuser error service check 0c cece eee ee eee eee eee eee eee 2 33 120 04 07 Fuser error service check 0 ccc cece cece eee eee eee eee eee ne eeee 2 33 140 01 03 08 Autocomp tray 1 motor error service check 00 0c eee cece eee eee 2 35 140 02 Autocomp tray 1 motor error service check 00 cece eee ee eee eee 2 35 142 xx Motor fuser error service check 0
5. 00s cece cece eee eee eee eens 2 35 143 09 11 15 17 18 20 25 Motor EP drive asm top cartridge error service check 2 36 143 12 14 16 Motor EP drive asm top cartridge error service check 2 37 144 09 11 15 17 18 20 25 Motor EP drive asm bottom cartridge error service check 2 37 144 12 14 16 Motor EP drive asm bottom cartridge error service check 2 38 145 xx Motor bump aligner error service check ooooooccnccoononan oo 2 38 146 xx Motor duplex error service check 0 00 eee cece eee eee eee eee 2 39 147 xx 149 xx Motor 500 sheet option tray2 motor error service check 2 40 148 xx MPF motor error service check 00sec cere cece eee eee enn nnn nnn 2 41 910 01 Engine error Service check oooommoccoccroraar sahen haa 2 41 920 01 POST power on self test error service check Lesllssleus 2 42 920 02 POST power on self test error service check lesllsleus 2 42 920 03 POST power on self test error service check 00 2 cece cece renee eee 2 43 920 04 POST power on self test error service check oooooocooccncnn oo 2 43 920 05 POST power on self test error service check Leslslseeus 2 44 920 06 POST power on self test error service check 000c cece eee renee eee 2 45 920 07 POST power on self test error service check 000ce cece
6. 46 System card removal 2s leue RR URERR bes ERE CE RESSEUE P E a 4 47 System card support shield removal eeeseeeeeee n nnn 4 49 Smart chip card removal 1 o e ae pr p rrr Rus a a beats 4 51 Printhead remov l aussechtr EXE RE RAGG E RECTA ARR Hee eRe ne RR WEEE IKE KE ES ES 4 52 Left side removals isiro id eni abes vire d Pace da Dele wale ale da ete ira RUNE REOR Rl RR we a 4 54 High volt power supply HVPS removal oocococccccco IRI 4 55 Conto t springs TEMOVAl edes dude ean o md Rp bare 4 56 Transfer contact assembly removal 0 ccc cree eee ee eee eee da irka tintis 4 57 Toner level Sensor removal iba n3 addu dass cda s 2X Ed PR Rea ad dad ad NE 4 58 Vi Service Manual 5022 xxx Top TEMOV S xx tana o E EUER RE CR ACA AS NEAR AAA 4 59 Top access door 24V interlock switch removal eeeeeeeee nnne 4 60 Top cover camshaft assembly removal eee eee eee n nnne 4 61 Top cover camshaft assembly installation 0 0c e cece eee eee eee eee eee eee 4 62 Locations and connectors isasuasa ossa Rau ER RRRREURERRQEERE ERR RSRRRAAXNICAENE RI 5 1 LOGGUODS dada qud foeda bobo dodo ca bae ARANA RR cie Ro AAA RUD obo de SRR 5 1 GOnBO S oic be ci Sad dud a Ru EE cubes cease d Rudi dud aded De cod 5 1 MOTOS tht ee errr Vosa cd ADA RANA B ERU bd E RR 5 3 Per COS cosa E ber Sx bed A 5 4 CONNGCIONS Luise casadues rkAteERGGA REGUG C EGUEGGRGP can A A AA e d
7. For the complete PDF manual please visit www LaserPros com Lexmark C520 C522 and C524 S Nes N Service Manual 5022 xxx e Table of contents e Start diagnostics e Safety and notices e Trademarks e Index 5022 xxx Edition September 28 2005 The following paragraph does not apply to any country where such provisions are inconsistent with local law LEXMARK INTERNATIONAL INC PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This publication could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in later editions Improvements or changes in the products or the programs described may be made at any time Comments may be addressed to Lexmark International Inc Department D22A 032 2 740 West New Circle Road Lexington Kentucky 40550 U S A or e mail at ServicelnfoAndTraining 9 Lexmark com Lexmark may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you You can purchase additional copies of publications related to this product by calling 1 800 553 9727 In oth
8. e sad rea s Os seed aac ad a dis a Sa qus addi doe els 3 13 Della obe caius Aube ed eU RN Qni spes a CES OE RU d Rr ecacba e added Una 3 13 Page GOUDS esce pearen PSY que LEE RIIEQ OY A 3 13 serial NOMDE cide hk ousce dean AS bag DC AES ated dada 3 13 Engine Setting Touga anoo bio poren paria PE Y RP UU PE n PR VE PEE PLES 3 13 Model INGUIN Lis a Seated is dta Esca ab eit Mitt eed dol ali aor tea dure Hd due fidei ud 3 13 Configuration D 354 2cxp rd OSTR RESTE RR RECTE A 3 14 Edge 10 EUUO ios se d eR rhe EA HET PUT M d HEU MEUS qa idee Caren edes 3 14 ail Peers Ed ERA SERE BUSES RUE Te eee eee ee rr ere ere Tere sar 3 14 EP Detalle esee stot eee Ree deb hohe dian QI RM T QR P dE P Pda 3 14 Fuser Temperature Fuser Temp s aacbderhbsri RENE RAP ER RE Rem aede xdg 3 15 DC Charge Adjust Dev Bias Adj Transfer Adjust liliis 3 15 Table of contents V 5022 xxx Event IU i ee re COE RAD d RAS CR ee ere C CUNEO c CUR RR RR LR RU 3 16 Display LOG chat essere he voces Meee beet Ae woes ESZead icd equa A 3 16 PULO ao ccd ca came ste S d AEE AE TE E TRUE eens ime dp Peu 0E rdiet 3 16 Cleat A rum 3 16 Configuration menu CONFIG MENU oooocococccc RR RR nn nn nnn 3 17 Leer Tee ete eee eee ere eee eee eT Ue rere eee PS Id ssepe Mb 3 22 Repair MOTI AMA 4 1 Removal and cleaning precautions cccencriVina rr a RRERSTA RASA Kd bea KH CE RR Ra 4 1 Handling ESD sensiBve parts 12b ond ria id a SNAM ARR AR AREE 4 1 PHOLOCONGUCION BBIE 52a
9. ean 5 5 Network system card ass s ekxa CRX a dade AAA KLAR EK COR RURAL CRRA ORD 5 5 Parallel systemi card icici cect cade see hm raa RR EROR RR RR RR GA REESE RE RE MR Ma 5 6 Wiring diagrams uuu side ap ko RR eR CARD CR RC RR AA RC CO ARR RR RR RR A 5 7 xt duci Ae UUTUMM 6 1 Pans Catalo MP 7 1 How to use this parts catalog oocoococcoccnno err n nh hh hmm n 7 1 Assembly AE CRUS 2h cccid cress cut tue deese q ee ARA dee denne duda Boe 7 2 Assembiy 2 COVES kha dish eiabs basse as SPP E M EREERE ra 7 4 Assembly S FON V ooo retomar dees CRE UU HUM na deren n a QUE mee 7 6 Assembly AS RIONE c22cccscsras stat cR DG RAE RR AAA dde e Ead 7 8 Assembly 5 Ad ys reia heard EP ARE HER E PE renee nese hated dee qa viae dada we 7 10 Assembly 6 E acecessakine ip RSEN E E E e EA dead es 7 12 Assembly 7 TOD iio ib RE e drea eare REEqr RIS ERR a 7 14 Assembly 8 Contact Springs Packet 00 cece ele 7 16 Assembly 9 Cable Parts Packet 0 0 es 7 18 Assembly 10 Miscellanedus 2255204644 0205 do e xung mur Rene a a de 7 20 jp AA UR 1 1 So AA l 5 For the complete PDF manual please visit www LaserPros com Table of contents vii
10. emoval 00 c eee e eee e eee eee nnn 4 21 Operator panel inner bezel removal seeeeeeeeeee eee eee 4 21 Operator panel assembly removal 0 0 e cece eee eee eR n n n nnn 4 22 Top access cover assembly removal 412222342232 ra RACK OCA ROS can A wad as 4 23 Fr ntremoval ossis edad EA Rad c eA da RE ARCA ee ee a Ra b el d 4 26 Fuser cable cover remov l iiic d pack AR UE 9D RO UC OU E OCC CAU ROC RC CUR AAA 4 27 Machine pad removal 1 246226 ea chakaxasa ueque A e a RU RR a Rd 4 27 Multipurpose feeder MPF swing arm assembly removal L sess 4 28 Paper pick mechanism assembly removal 0000 cee eee ee eee eee nnn nn nnn 4 30 Bump aligner gear removal 00000 Ro IR ee ee ew RC OCC Re RO RC OCC AAA 4 31 Front door assembly removal 2 ira eor wie ee new we Ra eae teea eels eee Rs 4 32 Duplex front door assembly removal ooocooccccn n n n nnn 4 34 Front door assembly restraint cable removal esee nnn 4 36 High side TOMOVA S cos ci a AAA EA Ub OR HEU EDDA AA 4 37 Low volt power supply LVPS removal 122 c nun nma barda a 4 38 Electrophotographic Process EP drive assembly removal eeeeeesee 4 40 Front access door 5V interlock switch removal leeren 4 43 Bump aligner motor removal 20 0 cece rinds eee eee eee cree ee teen hm nmm nn 4 45 Rear removals iux ii pei CARO RC RC RR we A CREM ORT RR OR di TERR RE RR NR RU A 4
11. er countries contact your point of purchase Lexmark Lexmark with diamond design MarkNet and MarkVision are trademarks of Lexmark International Inc registered in the United States and or other countries ImageQuick and PrintCryption are trademarks of Lexmark International Inc Other trademarks are the property of their respective owners 9 28 05 Lexmark International Inc All rights reserved UNITED STATES GOVERNMENT RIGHTS This software and any accompanying documentation provided under this agreement are commercial computer software and documentation developed exclusively at private expense P N 12G9601 5022 xxx Table of contents o ioaaeweuwsqA 444 Vx AXbeWekra qui Td sdeveueveecurdoqeddqg M 1004 ix Safety information iusao rn sada RR RUREA ARR ORR RR AGRAR ROCROCE A ARACRCR RR a XV gi a a re re ROCCO a ee eee xviii DeNNHIONS 22s esa hescueRedechie Pia REG e ewe MRERGRREGSI RES RR d EE ii xviii ip Rule Merc H 1 1 Maintenance approach coi llis ker sd cee a eum we dh ba RR A EP RR ER BERE S RR a maid 1 1 Options and features sico cms ca re Ex eb ORARE A Gr DERE AREE REG 1 1 Speciaol fM T CC M PEUT 1 2 Gos tere etre te ee eT d Rode ACER GE B UE OR EA A o d ee 1 2 Bala Seas a5 aa 3 242 cna IDAS EA bd Ke aia abb der ized Kid M fama 1 2 Print speed and performance print speed 0 cece eee enn nnn 1 2 PONCUMANCE science Rae e MAS RSIS rana ow RSA ROLE 1 2 Memory GONTIQUIATION cic cide etee ka
12. od edo cO did ARRANCA a mae aeRO 4 2 During transportallon storage suus x ERR A Sehr EGG EG ERG ERE 4 2 A TRIX RENI YEARS REA EHE ES FERE RPM E eR S RR V ened 4 2 Parts not to be touched cic ccxat di UA ROCA RC CaN em ee RC EO Ke Ko DRE 4 2 Printer adjuslmehls a a kou he Rond deme d Need belay PARRA dE XR S RR IRR EV E dele Rd 4 8 Printhead alignment x32 3a AAA A ewes ORC RC Re POR CROCO CR RU B 4 3 D d Mee CU AAA AAA a 4 3 Printer removal prOCedlF6S riscos exa radia d sewed tae ERES AA 4 11 Precautions to take before maintenance work seeeeeeee nnn 4 11 CRU FRU and supplies removals 0000 e cece eee eee eee eee eee n hh nnn 4 12 Fuser removal danes ees cane meus tee va Nose aes ee TOS KDE ded dud d Sd uf 4 13 Photocondi ctor nit rFemOoVal ssc csc cecacs ccc rra cess RUE AAA 4 14 Arans Ier belt removal cias od cad aiken peed add do oka Rd ae 4 15 Waste toner assembly removal s s isser raast teert rra dr ere eee ee eee nnn nn 4 15 Cover removals i io qua dodo oe dup ok AA Eee ees thee anda RR RR RU Rd 4 16 Exit tray cover removal 1 55246 was dba a AA NUR Ma bale de 4 16 Rear cover removal oc sap ereEAa a ROG OR REG AR KK OA i RS eee eee d RR RO 4 17 Right cover removal lt cci skeet seca kasd pend Rn sa dead RENE xS ERRASSE ee a 4 18 Front access cover assembly removal 00 0 c cece eee eee eee eee n nnn nn 4 19 Left 60VOI FOIOUM gt lt caridad sided sited Caddo ade eof dauid e 4 20 Operator panel outer bezel r
13. ra wns Shonen erae RR ie RUE m Rina RR RU AC RR Ud a 1 2 DIMENSIONS aux iq ara Qu AUR OON RR CURRERE OC AA AAA o UR D ul 1 3 Power r auiremelils ic eso pe 3A REED RENE Faits iue Amira lien donde dca qa pee dur ed 1 3 Electrical specifications aa corr A A Re Rae RRR RR RC 1 4 ENVIO AMEN Keehn dake Edu V PRO RLRE QUEE AUR RE A ewe SI EUR RR E ele ale eed 1 4 ACOUSTICS conri RA KR AAA Re UR UR RAD tod 1 5 Media SDBOIICHIDUS cordialidad 1 6 Paper and specialty media guidelines ccc cece eee ee eee ence eee e eee ee eens 1 6 Suppor pntmella 22255502254 2653 E53 rr SS EP se Redes Ed 1 6 INPUEANO oOuIpUEL CapaciliGS unas tex exacta dede ds ad as nikna eran 1 10 Additional guideliniBs sisas aos ariba aud cee Rp ER dM E dd 1 10 dee eee eee Tee Ea a RR IR ee AAA eee ere E eio AA 1 10 Envelop8S ia mico d XO dog dann se DON RI OUR nd mes AAA Re RON CR REG CUP RC CR ORT 1 11 Transparencies rcr 1 11 Labels xsara EUER SEES ORE Ro A RAE ER TREE ORS 1 11 PigcpeDgrip m rr 1 11 Print area 0 oa a AAA AA RA AAA ARA 1 11 Tools required Tor Service esco a aredaceradsce bae d Anas ana ES E RE RR RR eas 1 12 Serial number TLI and machine type ocoooooororacaraca cam ran eee een nx 1 12 pic Meer eee ee Ce Tee eee eee dard dU dE Ku B ee NADA 1 13 Printer theory of GDOrallOBR s 2260ccc0620c00c2 badd Ede EAR IRR AER RE eka R RU ne Rares amas eons 1 14 Payer Pal aspas 0 dud edad arder Qd due qur duR Scu da A Rud WU A EU UR CE d Rd d ome 1 14 mE 1 15
14. rr RR RE RIA 2 74 DIAGHOSNO DIIS secarse DH da esa LER siesta basada iii 3 1 Accessing SETVICS MEN S 0 00 0 A RRA RAE AER AA AA 3 1 Diagnostic mode sein A A AA a RS d 3 2 Diagnostics menu structure coc AE ARRE AA AA A 3 2 AVAN ADICTOS ii rr 3 2 pic Ce a a AAA AAA AAA 3 5 QUICK TERT 12 ceo pea dod bd oS deb ees ee 38g d geass bd d 5 d qud db dd 05 3 6 AlGBIneDE a ee ee TT ee eT Tee CR DR ee ca Re o C o e A 3 7 ot ood Go asbl So ber DR b Da bad used Robe dd Sd ee I eRe Tee cd dor Sii 3 7 General motor tOBL mx cons rr sre tr vos ome A E E antes dE cates ee 3 7 ilie Bei RI D MNEERETTETETIT crios i tas DD 3 8 Selvo lasgr Gl iusd eset peek use id P dd d pde Eau eed edi dria ed dd 3 8 Motor CANNON estacion 3 8 P nt 6515 e casi aegra 6 ados dee has d exes Dass DA DE AR RE AE EE Dead Rc dE dE Rd Ra 3 9 INBULSOURCENESIS M X UD 3 9 Print quality pages PrtQuality Pgs s 0cc2cs 2 544545 bose eer dita eh PI TP X IgE ee d 3 9 Duplex tesis 202 rr xor ex 0n 9 IRR d Rue CR p Is a o QU RA CURE C ORO eR 3 10 Quick TesbiduplBX soria ideo error 3 10 Print Test HUDIGX cesa dd 3 10 Lilo og o P atone a cuadecsdeeg ced agendivendaaeceare 3 10 Motor Test CIUplexX sonda cand wi are ident A Teque ad aA E eee we 3 11 Base Gensel tes iod ii baa ime da qued S44 id bud id de Ead d R bd xs ba paa 3 12 Bii Vest ici hae b edv Roble dodo dun een Sb Me ha ee aid dius dg ues 3 12 SENSO TES Esp Ie tp did dep ED pent bise ae o 3 12 P nter SON ici o A dea bu
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