Lexmark 5021-0XX User Manual

5021-0XXLexmark C510Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or othe

x Service Manual5021-0XXPreventive maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1Parts catalog . . . . . . . . . .

2-22 Service Manual5021-0XXPaper jam messagesThe following illustration lists paper jam messages indicating where paper jam occurred.CAUTION: When cl

Diagnostic information 2-235021-0XXMessageTo locate the jam…Action201 Paper JamOpen Rear Door Open rear cover assemblyIndicates media is jammed in inn

2-24 Service Manual5021-0XX230 Paper JamOpen Duplex DoorOpen duplex doorIndicates media is jammed between duplex redrive and duplex door.• Open duplex

Diagnostic information 2-255021-0XXSymptom tables Printer symptom table Symptom ActionOperator panel buttons do not workSee “Operator panel service ch

2-26 Service Manual5021-0XXThe transfer roll is not transferring images or does not turnSee “White band service check” on page 2-121. No power See “Pr

Diagnostic information 2-275021-0XXPrint quality symptom table Symptom ActionBackground See “Background service check” on page 2-101. Missing image at

2-28 Service Manual5021-0XXColor misregistration See “Color misregistration service check” on page 2-105. Mottle See “Mottle service check” on page 2-

Diagnostic information 2-295021-0XXPrinter service checks 901—Yellow developer clutch service checkStep Questions / actions Yes No1 Turn printer off a

2-30 Service Manual5021-0XX5 If waste toner bottle is removed, reinsert it. Ensure rear cover assembly cover is shut. Override top and front cover int

Diagnostic information 2-315021-0XX902—Magenta developer clutch service check Step Questions / actions Yes No1 Turn printer off and remove right cover

Laser notices xi5021-0XXLaser noticesThe following laser notice labels may be affixed to this printer as shown: Laser advisory label

2-32 Service Manual5021-0XX5 If waste toner bottle is removed, reinsert it. Ensure rear cover assembly cover is shut. Override top and front cover int

Diagnostic information 2-335021-0XX903—Cyan developer clutch service check Step Questions / actions Yes No1 Turn printer off and remove right cover. S

2-34 Service Manual5021-0XX5 If waste toner bottle is removed, reinsert it. Ensure rear cover assembly cover is shut. Override top and front cover int

Diagnostic information 2-355021-0XX904—Black developer clutch service check Step Questions / actions Yes No1 Turn printer off and remove right cover.

2-36 Service Manual5021-0XX5 If waste toner bottle is removed, reinsert it. Ensure rear cover assembly cover is shut. Override top and front cover int

Diagnostic information 2-375021-0XX905—Yellow toner retract solenoid service checkStep Questions / actions Yes No1 Turn printer off and remove I/O boa

2-38 Service Manual5021-0XX5 Reassemble and retest printer. Does 905 error reappear?Turn printer off and replace engine controller board. See “Engine

Diagnostic information 2-395021-0XX906—Magenta toner retract solenoid service checkStep Questions / actions Yes No1 Turn printer off and remove I/O bo

2-40 Service Manual5021-0XX5 Reassemble and retest printer. Does 906 error reappear?Turn printer off and replace engine controller board. See “Engine

Diagnostic information 2-415021-0XX907—Cyan toner retract solenoid service checkStep Questions / actions Yes No1 Turn printer off and remove I/O board

xii Service Manual5021-0XXClass 1 Laser statement label

2-42 Service Manual5021-0XX5 Reassemble and retest printer. Does 907 error reappear?Turn printer off and replace engine controller board. See “Engine

Diagnostic information 2-435021-0XX908—Black toner retract solenoid service checkStep Questions / actions Yes No1 Turn printer off and remove I/O boar

2-44 Service Manual5021-0XX5 Reassemble and retest printer. Does 908 error reappear?Turn printer off and replace engine controller board. See “Engine

Diagnostic information 2-455021-0XX910—Developer motor service checkStep Questions / actions Yes No1 Are there any unusual noises heard around develop

2-46 Service Manual5021-0XX5 If waste toner bottle is removed, reinsert it. Ensure rear cover assembly is shut. Override top and front cover interlock

Diagnostic information 2-475021-0XX7 Disconnect cable from DCN13 on I/O board. Check the following on disconnected cable connector:Pin 1 to pin 2—24VD

2-48 Service Manual5021-0XX911—Main motor service checkStep Questions / actions Yes No1 Turn printer off and remove right cover. See “Right cover remo

Diagnostic information 2-495021-0XX6 If waste toner bottle is removed, reinsert it. Ensure rear cover assembly cover is shut. Override top and front c

2-50 Service Manual5021-0XX8 Disconnect cable from DCN13 on I/O board. Check the following on disconnected cable connector:Pin 1 to pin 2—24VDCPin 9 t

Diagnostic information 2-515021-0XX912—Power supply fan service checkStep Questions / actions Yes No1 Turn printer off and remove I/O board shield. Se

Laser notices xiii5021-0XXLaser noticeThe printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR Subchapter J for Class I (1)

2-52 Service Manual5021-0XX913—Fuser fan service checkStep Questions / actions Yes No1 Turn printer off and remove I/O board shield. See “I/O board re

Diagnostic information 2-535021-0XX914—Laser fan service checkStep Questions / actions Yes No1 Turn printer off and remove I/O board shield. See “I/O

2-54 Service Manual5021-0XX915—Erase lamp service checkStep Questions / actions Yes No1 Turn printer off and remove toner cartridges and photodevelope

Diagnostic information 2-555021-0XX5 Disconnect cable from erase lamp and DCN15. Check DCN15 pin 11 to erase lamp cable connector pin 1 and DCN15 pin

2-56 Service Manual5021-0XX916—Toner empty sensor (sender-TPD) service checkStep Questions / actions Yes No1 Turn printer off and remove I/O board shi

Diagnostic information 2-575021-0XX917—Toner empty sensor (receiver-TTR) service checkStep Questions / actions Yes No1 Turn printer off and remove I/O

2-58 Service Manual5021-0XX918—HVPS connection service checkStep Questions / actions Yes No1 Turn printer off and remove engine controller board shiel

Diagnostic information 2-595021-0XX919—Lower feed unit (secondary paper assembly) service checkStep Questions / actions Yes No1 Turn printer off and r

2-60 Service Manual5021-0XX920—Fuser thermistor service checkStep Questions / actions Yes No1 Remove and reinstall fuser assembly. See “Fuser assembly

Diagnostic information 2-615021-0XX921,922,923,924,925—Fuser assembly service checkStep Questions / actions Yes No1 Check for proper input line voltag

xiv Service Manual5021-0XXAvis relatif à l’utilisation de laserPour les Etats-Unis : cette imprimante est certifiée conforme aux provisions DHHS 21 CF

2-62 Service Manual5021-0XX930,931,932—Laser unit assembly service checkStep Questions / actions Yes No1 Check LCN connection on laser assembly LDU bo

Diagnostic information 2-635021-0XX985—Duplex connection error 1 service checkStep Questions / actions Yes No1 Check duplex unit cable. is cable prope

2-64 Service Manual5021-0XX986—Duplex connection error 2 service checkStep Questions / actions Yes No1 Check duplex unit cable. is cable properly conn

Diagnostic information 2-655021-0XX990—Transfer belt unit service checkStep Questions / actions Yes No1 Open rear cover assembly and check transfer be

2-66 Service Manual5021-0XX5 Reconnect DCN16 and disconnect cable from DCN13. On cable, check for 5 VDC from pin 9 to ground (you can touch negative l

Diagnostic information 2-675021-0XX991—Transfer roller clutch service checkStep Questions / actions Yes No1 Turn printer off and remove printer right

2-68 Service Manual5021-0XX992—Transfer belt cleaning roller clutch service checkStep Questions / actions Yes No1 Turn printer off and remove printer

Diagnostic information 2-695021-0XX993—Fuser clutch service checkStep Questions / actions Yes No1 Turn printer off and remove printer right cover. See

2-70 Service Manual5021-0XX994—OPC belt marker sensor service checkStep Questions / actions Yes No1 Remove photodeveloper cartridge and observe marker

Diagnostic information 2-715021-0XX4 Reconnect DCN5 and disconnect cable from DCN13. On cable, check for 5 VDC from pin 11 to ground (you can touch ne

Laser notices xv5021-0XXAvisos sobre el láserSe certifica que, en los EE.UU., esta impresora cumple los requisitos para los productos láser de Clase I

2-72 Service Manual5021-0XX995—High voltage power supply (HVPS) service check StepQuestions / actionsYes No1Remove photodeveloper cartridge and ensure

Diagnostic information 2-735021-0XX5 Replace HVPS. See “High voltage power supply (HVPS) removal” on page 4-59. Has error cleared?Problem solved. Go t

2-74 Service Manual5021-0XX996—Low voltage power supply (LVPS) service checkStep Questions / actions Yes No1 Check cable for continuity between engine

Diagnostic information 2-755021-0XXCover open service checkStep Questions / actions Yes No1 Turn printer off and remove right cover. See “Right cover

2-76 Service Manual5021-0XX3 Turn printer on. Check for 5 VDC between front cover interlock switch pin 1 (top pin) and ground. Is 5 VDC present?Go to

Diagnostic information 2-775021-0XX8 Check following cables for continuity:• I/O DCN18 pin 1 to rear cover interlock switch pin 3• I/O DCN18 pin 3 to

2-78 Service Manual5021-0XXIncorrect media service checkStep Questions / actions Yes No1 Turn printer off and remove I/O board shield. See “I/O board

Diagnostic information 2-795021-0XX5 Turn printer off. Check cable for continuity that connects DCN16 pins 10, 11, 12, and 13 to OHP sensor sensor. Al

2-80 Service Manual5021-0XXMissing photodeveloper cartridge service check Step Questions / actions Yes No1 Check photodeveloper cartridge for proper i

Diagnostic information 2-815021-0XXMissing toner cartridge service checkStep Questions / actions Yes No1 Remove toner cartridge in question. Holding t

xvi Service Manual5021-0XXLaserinformatieDe printer voldoet aan de eisen die gesteld worden aan een laserprodukt van klasse I. Voor de Verenigde State

2-82 Service Manual5021-0XX6 Push toner cartridge fully in. Check voltage level on DCN2 pin 1. Is 0 VDC present?Replace I/O board. See “I/O board remo

Diagnostic information 2-835021-0XXOPC belt (photodeveloper) cartridge drive service check Step Questions / actions Yes No1 Check photodeveloper cartr

2-84 Service Manual5021-0XXOperator panel service checkPrinter emits 5 beeps when it detects a problem with operator panel assembly, operator panel ca

Diagnostic information 2-855021-0XXOutput tray full service checkStep Questions / actions Yes No1 Ensure output tray full sensor flag swings with ease

2-86 Service Manual5021-0XX6 Turn printer off. Check cable for continuity that connects DCN7 pins 7, 8, and 9 to output tray full sensor. Also check f

Diagnostic information 2-875021-0XXPaper size sensing service checkStep Questions / actions Yes No1 Turn printer off and remove I/O board shield. See

2-88 Service Manual5021-0XX5 If paper tray is removed, set paper tray for desired paper size and insert paper tray into printer. Using table below, ch

Diagnostic information 2-895021-0XXPrinter no power service checkNote: If secondary paper feed assembly or duplex unit is installed, disconnect or re

2-90 Service Manual5021-0XX6 Remove items (see “RIP board cage removal” on page 4-57) from left side of printer to expose power supply bracket. Using

Diagnostic information 2-915021-0XXToner feed service check Step Questions / actions Yes No1 Check toner cartridge for damage. Check to see if toner c

Laser notices xvii5021-0XXHuomautus laserlaitteestaTämä kirjoitin on Yhdysvalloissa luokan I (1) laserlaitteiden DHHS 21 CFR Subchapter J -määrityksen

2-92 Service Manual5021-0XXToner low/empty service checkStep Questions / actions Yes No1 Turn printer off and remove I/O board shield. See “I/O board

Diagnostic information 2-935021-0XXTransfer roller missing service checkStep Questions / actions Yes No1 Turn printer off and check transfer roller co

2-94 Service Manual5021-0XX2 Replace engine controller board. See “Engine controller board removal” on page 4-55. Does error clear?Problem solved. Rep

Diagnostic information 2-955021-0XXTray empty service checkStep Questions / actions Yes No1 Remove paper tray from printer. Press bottom of spring pla

2-96 Service Manual5021-0XX6 Remove paper tray, fill with paper and reinsert. Check voltage level on DCN16 pin 8. Is 0 VDC present?Replace I/O board.

Diagnostic information 2-975021-0XXWaste toner bottle service checkStep Questions / actions Yes No1 Remove waste toner bottle from printer. Inside was

2-98 Service Manual5021-0XXWaste toner feed service checkStep Questions / actions Yes No1 Is transfer belt unit cleaning roller properly installed. Go

Diagnostic information 2-995021-0XXPaper feed service checks Printer paper feed service check Problem area Action1 Check for recommended paperEnsure p

2-100 Service Manual5021-0XX7 Fuser assembly Ensure fuser assembly is not damaged or dirty. Ensure fuser assembly guides and gears are not broken and

Diagnostic information 2-1015021-0XXPrint quality service checks Background service check Background is smeared due to toner spread. Problem area Acti

xviii Service Manual5021-0XXLaser-meldingSkriveren er godkjent i USA etter kravene i DHHS 21 CFR, underkapittel J, for klasse I (1) laserprodukter, og

2-102 Service Manual5021-0XXBack stain service check Backside of paper is stained. Problem area Action1 Fuser assembly • Fuser roller and back-up roll

Diagnostic information 2-1035021-0XXBanding service check A banding line appears in horizontal direction. Problem area Action1 Photodeveloper (OPC) ca

2-104 Service Manual5021-0XXBlack line service check A fine black line appears in printer image. Problem area Action1 Toner cartridge Toner cartridge

Diagnostic information 2-1055021-0XXColor misregistration service check Color misregistration between two colors. Problem area Action1 Transfer roller

2-106 Service Manual5021-0XX4 Transfer belt unit Transfer belt is off track.Replace transfer belt unit. See “Transfer belt unit removal” on page 4-7.P

Diagnostic information 2-1075021-0XXInsufficient fusing service check Printed image is partially missing. Problem area Action1 Fuser tension release l

2-108 Service Manual5021-0XXInsufficient gloss service check Gloss on paper is not sufficient. Problem area Action1 Driver media settings Driver media

Diagnostic information 2-1095021-0XXJitter service check Uneven optical density appears periodically in horizontal direction. Problem area Action1 Pho

2-110 Service Manual5021-0XXMissing image at edge service check Image has missing or peeling toner at edge. Problem area Action1 Toner cartridge Too

Diagnostic information 2-1115021-0XXMixed color image service check Mixed color image appears. Problem area Action1 Toner cartridge Ensure toner cartr

Laser notices xix5021-0XXJapanese laser noticeChinese laser notice

2-112 Service Manual5021-0XXMottle service check Variation of optical density is found in image. Problem area Action1 Rear cover assembly Rear cover a

Diagnostic information 2-1135021-0XXResidual image service check Image of preceding page appears on every other page. Problem area Action1 Transfer un

2-114 Service Manual5021-0XXRibbing service check Light print occurs in right or left side of image. Problem area Action1 Printer is not level Table p

Diagnostic information 2-1155021-0XX6 Toner retract system Toner retract solenoid assembly is failing for specific toner cartridge.Replace toner retac

2-116 Service Manual5021-0XXToner drop service check A toner spot stain on paper is caused by ambient toner within printer engine. Problem area Action

Diagnostic information 2-1175021-0XX3 Toner cartridge Replace faulty toner cartridge.Problem area Action

2-118 Service Manual5021-0XXVertical line service check A vertical line appears in printed image. Problem area Action1 Photodeveloper cartridge (OPC b

Diagnostic information 2-1195021-0XXVertical staggering image service check Printed image staggers in vertical direction. Problem area Action1 Printer

2-120 Service Manual5021-0XXVertical white band service check White band appears in vertical direction of printed image. Problem area Action1 Toner ca

Diagnostic information 2-1215021-0XXWhite band service check Horizontal white banding creates missing portion of image. Problem area Action1 Transfer

Edition: March 24, 2006The following paragraph does not apply to any country where such provisions are inconsistent with local law: LEXMARK INTERNATIO

xx Service Manual5021-0XXKorean laser notice

2-122 Service Manual5021-0XXWhite line I service check Vertical white line appears in a specific color area when print quality test print is run. Prob

Diagnostic information 2-1235021-0XXWhite line II service check Vertical white line appears from leading edge to trailing edge of printed image. Probl

2-124 Service Manual5021-0XXWhite spot / black spot service check A white spot and black spot appear on paper. Problem area Action1 Photodeveloper car

Diagnostic information 2-1255021-0XXWhite print service check Blank page (no print at all) is printed or a specific color is missing. Problem area Act

2-126 Service Manual5021-0XXWrinkle / image migration service check Banding shadows of different optical density appear due to wrinkle, image migratio

Diagnostic information 2-1275021-0XXUneven density (right and left)Optical density is different between right and left side of printed image.Problem a

2-128 Service Manual5021-0XX6 Transfer belt unit Replace faulty transfer belt unit. See “Transfer belt unit removal” on page 4-7.7 Toner retract syste

Diagnostic information 2-1295021-0XXSpacing table Roller specifications Name of rollerDiameter(mm)Number of rotation(rpm)Repeating defect on print(mm)

2-130 Service Manual5021-0XX

Diagnostic aids 3-15021-0XX3. Diagnostic aids This chapter explains the tests and procedures to identify printer failures and to verify repairs have

Safety information xxi5021-0XXSafety information• The safety of this product is based on testing and approvals of the original design and specific com

3-2 Service Manual5021-0XXPaper jam sequenceGo to “Paper jam messages” on page 2-22 for more information. Paper Jam 201 - Indicates media is jammed in

Diagnostic aids 3-35021-0XXPaper Jam 23X • 230 Duplex - Indicates that media is jammed between duplex redrive and duplex door. Open duplex door to acc

3-4 Service Manual5021-0XXDiagnostic modeTo enter the diagnostic mode:1. Turn the printer Off.2. Press and hold the Go and Return buttons.3. Turn the

Diagnostic aids 3-55021-0XX• Device tests (displayed only if the flash or disk options are installed– Quick disk test (only when disk is installed)– D

3-6 Service Manual5021-0XXTo run the print quality test pages:1. Turn the printer Off.2. Press and hold Select and Return, while turning On the printe

Diagnostic aids 3-75021-0XXTwo alignment pages automatically print for the change made. A correct adjustment is determined when the pages are held to

3-8 Service Manual5021-0XXThe contents of the print test page vary depending on the media installed in the selected input source. If a source is selec

Diagnostic aids 3-95021-0XXLCD testTo run the LCD test:1. Select LCD Test from the diagnostic menu. The LCD test continually executes the LCD display

3-10 Service Manual5021-0XXOnce the maximum pass or fail count is reached, the test stops and the final test results are displayed. 3. Press Return or

Diagnostic aids 3-115021-0XXOnce the maximum pass or fail count is reached, the test stops and the final results display on the screen.DRAM memory tes

xxii Service Manual5021-0XXNorme di sicurezza • La sicurezza del prodotto si basa sui test e sull'approvazione del progetto originale e dei compo

3-12 Service Manual5021-0XX3 = operational serial port #3.• P represents the number of times the test has passed (finished successfully). Initially 00

Diagnostic aids 3-135021-0XXDuplex testsDuplex left margin The left margin adjust lets the user set the left margin for the duplex option so it matche

3-14 Service Manual5021-0XXDevice tests Quick disk testThis test performs a non-destructive read/write on one block per track on the disk. The test re

Diagnostic aids 3-155021-0XXIf the test passes, then the following message is displayed:• Disk Test/CleanTest PassedIf the test fails, then the follow

3-16 Service Manual5021-0XXPrinter setupNote: Defaults within this printer can be set to either U.S. or Non-U.S.Setting the page count This lets the

Diagnostic aids 3-175021-0XXSerial numberThe serial number is set at the factory and cannot be changed. This is for viewing the serial number only. Th

3-18 Service Manual5021-0XX• If the ID is valid then the ID is saved in NVRAM and the printer automatically PORs to activate the new setting. Note: W

Diagnostic aids 3-195021-0XXError logViewing the error logThe error log provides a history of printer errors. The error log contains the 12 most recen

3-20 Service Manual5021-0XXClearing the error logTo clear the error log:1. Select Clear Log from the error log menu.2. Select YES to clear the error l

Diagnostic aids 3-215021-0XXExiting diagnostic modeSelect Exit Diagnostics to exit the diagnostics mode and return to normal mode.

Safety information xxiii5021-0XXPautas de Seguridad • La seguridad de este producto se basa en pruebas y aprobaciones del diseño original y componente

3-22 Service Manual5021-0XX

Repair information 4-15021-0XX4. Repair informationRemoval and cleaning precautionsObserve the following precautions whenever you service the printer

4-2 Service Manual5021-0XXHandling the printed circuit boards with MOS ICsThe following precautions must be observed when handling circuit boards with

Repair information 4-35021-0XXPhotodeveloper cartridge The following precautions must be observed when handling the photodeveloper cartridge or common

4-4 Service Manual5021-0XXPrinter removal proceduresPrecautions to take before maintenance workDo not implement any operation, removal, or modificatio

Repair information 4-55021-0XXCRU/FRU and supplies removalsThere are FRU/CRUs and supply items that will need to be removed prior to some of the remov

4-6 Service Manual5021-0XXCleaning roller cover removal1. Open top cover.2. Depress tabs and remove cleaning roller cover.Transfer belt cleaning rolle

Repair information 4-75021-0XXTransfer belt unit removalNote: If the duplex unit is installed, remove it to allow greater rear cover assembly clearan

4-8 Service Manual5021-0XX3. Pull transfer belt unit toward rear of printer, lift and remove.Transfer roller removal1. Open rear cover assembly.2. Rot

Repair information 4-95021-0XXFuser assembly removal 1. Push rear cover assembly latch and lower rear cover assembly.2. Turn two green fuser release l

xxiv Service Manual5021-0XXInformació de Seguretat • La seguretat d'aquest producte es basa en l'avaluació i aprovació del disseny original

4-10 Service Manual5021-0XXWaste toner bottle removal1. Open front cover.2. Remove waste toner bottle.Warning: Ensure that waste toner bottle is secu

Repair information 4-115021-0XXPhotodeveloper cartridge removalWarning: Follow precautionary procedures (see “Photodeveloper cartridge” on page 4-3)

4-12 Service Manual5021-0XX5. Cover photodeveloper cartridge with a piece of paper as shown.

Repair information 4-135021-0XXDuplex unit assembly removal1. Unplug duplex connector.2. Turn bracket mounting screw counterclockwise to loosen it. Un

4-14 Service Manual5021-0XX3. Open duplex rear door (A) and pull down redrive assembly (B).4. Pull green thumbscrews (C) out and turn counterclockwise

Repair information 4-155021-0XX5. Lift duplex unit up and away from printer.

4-16 Service Manual5021-0XXSecondary paper feed assembly removal1. Remove left secondary paper feed assembly cover. Repeat for the right side.2. Loose

Repair information 4-175021-0XXCover removals

4-18 Service Manual5021-0XXTop cover assembly removal1. Remove cleaning roller cover. See “Cleaning roller cover removal” on page 4-6.2. Remove photod

Repair information 4-195021-0XX10. Release tabs on front of top cover assembly.11. Lift top cover assembly and remove.Front cover assembly removal1. O

Safety information xxv5021-0XX

4-20 Service Manual5021-0XX3. Disengage support strap from printer.4. Release tabs on front cover.5. Remove front cover from inner front cover.6. Rais

Repair information 4-215021-0XX7. Rotate support pin away from printer and slide toward center of printer to remove. Repeat for other support pin.8. R

4-22 Service Manual5021-0XXRight cover removal1. Remove waste toner bottle. See “Waste toner bottle removal” on page 4-10.2. Remove top cover assembly

Repair information 4-235021-0XX4. Disconnect rear cover assembly connector (A).5. Remove support pin (B), disconnecting support cable from printer.6.

4-24 Service Manual5021-0XXLeft cover removal1. Remove rip board. See “RIP board removal” on page 4-45.2. Remove top cover assembly. See “Top cover as

Repair information 4-255021-0XX5. Remove two screws (A) from laser unit assembly cover. Photograph shows looking through opening in top cover assembly

4-26 Service Manual5021-0XX7. Remove four screws (B) from laser unit assembly.8. Remove laser unit assembly from printer.9. Disconnect connector from

Repair information 4-275021-0XX5. Disconnect laser unit fan assembly connector (A).6. Remove screw (B).7. Remove fan assembly.Erase lamp removal1. Rem

4-28 Service Manual5021-0XX4. Disconnect erase lamp cable (A).5. Remove two screws (B).6. Remove erase lamp.

Repair information 4-295021-0XXRight side removalsFront door interlock switch removal1. Remove top cover assembly. See “Top cover assembly removal” on

xxvi Service Manual5021-0XXPrefaceThis manual contains maintenance procedures for service personnel. It is divided into the following chapters:1. Gene

4-30 Service Manual5021-0XX2. Disconnect interlock switch cable from interlock switch.3. Remove interlock switch from switch bracket.

Repair information 4-315021-0XXFront door interlock switch with bracket1. Remove developer drive assembly. See “Developer drive assembly removal” on p

4-32 Service Manual5021-0XXWaste toner bottle holder removal1. Remove right cover. See “Right cover removal” on page 4-22.2. Disconnect waste toner bo

Repair information 4-335021-0XX3. Remove four clips and developer drive gears (A) from inside of printer.Note: The cables that connect to the develop

4-34 Service Manual5021-0XX6. Disengage developer drive assembly from retaining tabs (C) and remove developer drive assembly from printer.

Repair information 4-355021-0XXToner sensor (sender) removal 1. Remove developer drive assembly. See “Developer drive assembly removal” on page 4-32.2

4-36 Service Manual5021-0XXCleaning roller clutch removal1. Remove transfer belt cleaning roller. See “Transfer belt cleaning roller removal” on page

Repair information 4-375021-0XX4. Remove wires from cable guide on front of cleaning roller clutch (A).5. Disconnect cleaning roller clutch cable (B).

4-38 Service Manual5021-0XXMain motor assembly removal1. Remove right cover. See “Right cover removal” on page 4-22.2. Remove clutch wires from wire g

Repair information 4-395021-0XX4. Remove 4 screws (B) from the main motor assembly.5. Remove main motor assembly from printer.

General information 1-15021-0XX1. General informationThis Lexmark™ C510 color laser printer is the ideal printer for presentations, business graphics

4-40 Service Manual5021-0XXClutch removalNote: This procedure applies to the fuser clutch, transfer roller clutch, registration clutch, and the paper

Repair information 4-415021-0XXMain drive gear assembly removal1. Remove cleaning roller clutch. See “Toner sensor (sender) removal” on page 4-35.2. R

4-42 Service Manual5021-0XX8. Remove main drive gear assembly from printer.Note: When reinserting the main drive gear assembly, ensure that you start

Repair information 4-435021-0XX3. Remove screw (B) from waste toner feeder pipe.4. Remove waste toner feeder pipe from waste toner bottle holder.5. Pu

4-44 Service Manual5021-0XXRear removals

Repair information 4-455021-0XXRIP board removal1. Disconnect any attached cables.2. Remove four screws (A).3. Slide RIP board out of printer.Bracket

4-46 Service Manual5021-0XX4. Disconnect connector (C) from toner density sensor.5. Lift and remove bracket assembly.Paper guide assembly removal1. Re

Repair information 4-475021-0XX3. Remove two screws (A) that attach paper guide assembly to printer. Screws are located in holes.4. Open rear cover as

4-48 Service Manual5021-0XX3. Remove support pin, disconnecting support cable (A) from printer.4. Remove two screws (B) that attach paper guide (C) as

Repair information 4-495021-0XXPaper exit assembly removal1. Open rear cover assembly.2. Remove plastic bracket (A).3. Disconnect cable (B).

1-2 Service Manual5021-0XXSerial number Look for the label on the rear cover of your printer for serial number information. The serial number is also

4-50 Service Manual5021-0XX4. Remove two screws (C).

Repair information 4-515021-0XX5. Disconnect cable (D).6. Remove two screws (E).7. Remove paper exit (F).

4-52 Service Manual5021-0XXRegistration assembly removal1. Remove transfer roller. See “Transfer roller removal” on page 4-8.2. Remove three metal scr

Repair information 4-535021-0XXLeft side removals

4-54 Service Manual5021-0XXOperator panel cable removal1. Remove left cover. See “Left cover removal” on page 4-24.2. Remove three screws (A) from eng

Repair information 4-555021-0XXEngine controller board removal1. Remove left cover. See “Left cover removal” on page 4-24.2. Remove RIP board. See “RI

4-56 Service Manual5021-0XX5. Remove four screws (B) from engine controller board; remove engine controller board.Note: When reinstalling flat cables

Repair information 4-575021-0XXRIP board cage removal1. Remove engine controller board. See “Operator panel cable removal” on page 4-54.2. Remove scre

4-58 Service Manual5021-0XX4. Remove ducting.

Repair information 4-595021-0XX5. Remove three screws (B) from RIP board cage.6. Remove RIP board cage.High voltage power supply (HVPS) removal1. Remo

General information 1-35021-0XXAcronymsASIC Application-Specific Integrated CircuitCS Customer OrderedCSU Customer SetupDRAM Dynamic Random Access Mem

4-60 Service Manual5021-0XX3. Remove 11 screws (A) (4 corner screws are gold in color (metal), inner screws are silver (plastic)); remove HVPS.Low vol

Repair information 4-615021-0XX3. Remove grounding terminal screw (A).4. Disconnect power supply bracket connector (B).5. Remove three screws (C) that

4-62 Service Manual5021-0XXHVPS cage removal1. Remove HVPS. See “High voltage power supply (HVPS) removal” on page 4-59.2. Remove LVPS with cage. See

Repair information 4-635021-0XX5. Remove four screws (C); remove HVPS cage.Toner present sensor removal1. Remove HVPS cage. See “HVPS cage removal” on

4-64 Service Manual5021-0XXToner sensor (receiver) removalNote: The toner sensor is comprised of two separate parts: the sender and receiver. The sen

Repair information 4-655021-0XX4. Remove two screws (B); remove toner retract solenoid and toner retract cam.Left tray guide assembly removal1. Remove

4-66 Service Manual5021-0XX3. Disconnect cable from DCN19 on I/O board.4. Remove two (B) screws that secure left tray guide assembly to printer frame.

Repair information 4-675021-0XX6. Using a flat blade tool, disengage tabs on left tray guide assembly from printer frame.7. Slide left tray guide asse

4-68 Service Manual5021-0XXTop removals

Repair information 4-695021-0XXMarker sensor assembly removal1. Remove all toner cartridges.2. Remove photodeveloper cartridge. See “Photodeveloper ca

iii5021-0XXTable of contentsLaser notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiSafety information.

1-4 Service Manual5021-0XXSpecificationsResolution600 x 600 dpi2400 image qualityModel differencesTechnical specificationsToner darknessThere are five

4-70 Service Manual5021-0XXI/O board removal1. Remove top cover assembly. See “Top cover assembly removal” on page 4-18.2. Remove five (A) screws from

Repair information 4-715021-0XX4. Remove six screws (B) from I/O board; remove I/O board.Note: When reinstalling flat cables, ensure blue side of cab

4-72 Service Manual5021-0XXWaste toner auger removal1. Remove photodeveloper cartridge. See “Photodeveloper cartridge removal” on page 4-11.2. Remove

Repair information 4-735021-0XXWaste toner agitator removal1. Remove waste toner auger. See “Waste toner auger removal” on page 4-72.2. Remove gear (A

4-74 Service Manual5021-0XXPower supply fan removal1. Remove top cover assembly. See “Top cover assembly removal” on page 4-18.2. Remove 5 (A) screws

Locations and connectors 5-15021-0XX5. Locations and connectorsPrinter

5-2 Service Manual5021-0XXPart name Description Paper stopper Stopper for exited papers. Operator panel/cover Displays status of printer operation.Top

Locations and connectors 5-35021-0XXOptions

5-4 Service Manual5021-0XXElectronic components Sensor locations Name Code FunctionPaper size sensor PSUDetects paper size. Registration sensor PT1Det

Locations and connectors 5-55021-0XXWaste toner sensor WTS(LED/TR)Detects when waste toner bottle is full. Temperature sensor for fuser unit THThermis

General information 1-55021-0XXManual: Allows users to customize color correction output from the operator panel. Setting selectable from the driver.P

5-6 Service Manual5021-0XXPrinter circuit board locations Name FunctionEngine controller boardControls the following printer processesFuser temperatu

Locations and connectors 5-75021-0XXFan/motor locations Name Code FunctionMain motorM MDrives OPC belt and paper transport system.Developer motorD MDr

5-8 Service Manual5021-0XXInterlock switch locationsName Code FunctionFront cover interlock switchDSW1Safety interlock switches that break power when

Locations and connectors 5-95021-0XXSolenoid/clutch locations Name Code FunctionPaper feed clutchPCLUFeeds paper by coupling feed roller to the main g

5-10 Service Manual5021-0XXToner retract solenoidDSL(Y,M,C,K)Places selected toner cartridge in development position during development phase.Transfer

Locations and connectors 5-115021-0XXSymbol and part name table Symbol Part nameBR Back-up roller CTFAN Control fan motor (cooling fan PS) DCLKDCLYDCL

5-12 Service Manual5021-0XXLDU Laser drive unit P.W.B. LFU Lower paper feeding unit LVPS Power supply unit MCTL Main engine (MCTL P.W.B.) board MM Mai

Locations and connectors 5-135021-0XXTH ThemistorTNK Toner key sensor TPDTTRToner empty sensor TRCM Transfer cam clutch Symbol Part name

5-14 Service Manual5021-0XXWiring diagram / cable harness referenceNotes: – See cable diagram foldout in the back of this manual.– Cables are marked,

Locations and connectors 5-155021-0XXRIP board

1-6 Service Manual5021-0XXOperating clearancesPackaging and shipping dimensionsPrinter sides C510 & C510n C510 & C510n with 530-sheet trayC51

5-16 Service Manual5021-0XXEngine controller board

Locations and connectors 5-175021-0XXInput/output (I/O) board

5-18 Service Manual5021-0XXLow voltage power supply (LVPS) board High voltage power supply (HVPS) board

Locations and connectors 5-195021-0XXPrinter cables Cable 1 connector assignments Cable 1 connector pin assignmentsEngine controller board I1CN—I/O bo

5-20 Service Manual5021-0XX28 DSL(M)ON-P 1227 DSL(Y)ON-P 1326 TH3 1425 IDATA 1524 ILOAD 1623 ISCK 1722 SGND 1821 LEDON-N 1920 HTFANON-P 2019 CTFANON-P

Locations and connectors 5-215021-0XX3I/OAD1 372I/OAD2 381SGND 39 I1CNPin No.Signal nameDCN1Pin No.

5-22 Service Manual5021-0XXCable 2 connector assignments Cable 2 connector pin assignmentsEngine controller board I2CN—I/O board DCN3I2CNPin No.Signal

Locations and connectors 5-235021-0XX18 MMENC 1417 MMGAIN 1516 GARESET-N 1615 RECLON-P 1714 FBCLON-P 1813 FBSLON-P 1912 TRSLON-P 2011 HTFANON-P/* OZFA

5-24 Service Manual5021-0XXCable 3 connector assignments Cable 3 connector pin assignmentsEngine controller board HVCN—HVPS CN1HVCNPin No.Signal nameC

Locations and connectors 5-255021-0XX9 THVRON-N 138 DBV(MC)PWM-N 147 THVPWM-N 156 DBV(KY)PWM-N 165THV-I 174 FCBVPWM-N 183ID (PGND) 192PGND 201 HVUCNCH

General information 1-75021-0XXPrint speed and performanceTime to first printProcessor500 MHzSimplex printing Duplex printingpages/minute) (sides/minu

5-26 Service Manual5021-0XXCable 4 connector assignmentsCable 4 connector pin assignmentsEngine controller board P2CN—Operator panelP2CNPin No.Signal

Locations and connectors 5-275021-0XXCable 5 connector assignmentsCable 5 connector pin assignmentsI/O board DCN13—LVPS ACN1DCN13Pin No.Signal nameACN

5-28 Service Manual5021-0XXLVPS ACN2—Interlock switchesI/O board DCN18—Interlock switchesInterlock switches—Interlock switches11 +5V-1 1212 SGND 11ACN

Locations and connectors 5-295021-0XXLVPS ACN5—Engine controller board DCN21LVPS ACN5—Engine controller board LVCNACN5Pin No.Signal nameDCN21Pin No.1

5-30 Service Manual5021-0XX21 no connection N/A22 no connection N/AACN5Pin No.Signal nameLVCNPin No.

Locations and connectors 5-315021-0XXEngine controller board POCN—LVPS ACN3POCNPin No.Signal nameACN3Pin No.1 +5V-2(CNT) 22 SGND(CNT) 13 +5V-2(CNT) 44

5-32 Service Manual5021-0XXCable 6 connector assignments Cable 6 connector pin assignmentsI/O board DCN4—Toner retract solenoidsDCN4Pin No.Signal name

Locations and connectors 5-335021-0XXI/O board DCN5—Photodeveloper (OPC) marker sensorI/O board DCN8—Laser fanI/O board DCN15—Toner present sensor, er

5-34 Service Manual5021-0XX9 TLESCHK 210 SGND 3Erase lamp11 +24V-1DF3 112 ELON-N 3DCN15Pin No.Signal nameSensorPin No.

Locations and connectors 5-355021-0XXI/O board DCN16—SensorsDCN16Pin No.Signal nameSensorPin No.Transfer belt unit marker sensor1 +5V-S no number2 TBE

1-8 Service Manual5021-0XXDuty cycleMaximum duty cycle-35,000 pages (one month's usage)Machine life-120,000 pages/300,000 imagesPrinter memoryMem

5-36 Service Manual5021-0XXCable 7 connector assignments Cable 7 connector pin assignmentsI/O board DCN7—Rear cover assemblyDCN7Pin No.Signal name Pin

Locations and connectors 5-375021-0XX9SGND no numberExit fan10 HTFANON-P no number11 PGND no number12 HTFANERR no numberDCN7Pin No.Signal name Pin No.

5-38 Service Manual5021-0XXI/O board DCN10—Developer drive assembly, clutches, and waste toner sensorDCN10Pin No.Signal nameSensor/solenoid/clutchPin

Locations and connectors 5-395021-0XX16 SGND no numberCyan developer clutch17 +24V-1DF3 no number18 DCL(C)ON-N no numberMagenta developer clutch19 +24

5-40 Service Manual5021-0XXI/O board DCN11—Developer motorI/O board DCN12—Main motorDCN11Pin No.Signal nameDeveloper motorPin No.1 DMRDY-N 12DMON-N 23

Locations and connectors 5-415021-0XX8PGND 89SGND 910 +5V-1 1011 MMENC 1112 MMREV-N 1213 MMGAIN 1314 MMOVLD 14DCN12Pin No.Signal nameMain motorPin No.

5-42 Service Manual5021-0XXCable 9 connector assignmentsCable 9 connector pin assignmentsEngine board LCN—Printhead LDULCNPin No.Signal nameLDUPin No.

Locations and connectors 5-435021-0XX17 SGND 1718 SGND 1819 SCMRDY-N 1920 SCMCLK 2021 PGND 2122 SCMON-N 2223 +24V-1 2324 +3.3V 24LCNPin No.Signal name

5-44 Service Manual5021-0XXCable 10 connector assignments Cable 10 connector pin assignmentsI/O board DCN14—Lower feeder unitDCN14Pin No.Signal nameLo

Locations and connectors 5-455021-0XX13 +5V-S 1314 NC 915 +5V-1 1116 connects to DCN14 pin 1LFCN-CHK-N N/ADCN14Pin No.Signal nameLower feeder unit Pin

General information 1-95021-0XXInput and output configurationsThe following table shows the standard number of input sources and output destinations,

5-46 Service Manual5021-0XXCable 11 connector assignments Cable 11 connector pin assignmentsI/O board DCN19—Paper size sensor and temperature thermist

Locations and connectors 5-475021-0XXCable 12 connector assignments Cable 12 connector pin assignmentsFuser connector—LVPS (120V Printer) Fuser connec

5-48 Service Manual5021-0XXCable 13 connector assignments Cable 13 connector pin assignmentsEngine controller board FUCN—fuserFUCNPin No.Signal nameFu

Locations and connectors 5-495021-0XXEngine controller board DPCN—Duplex unit DUPLLVPS ACN4—Duplex unit (DUPL) and duplex powerDPCNPin No.Signal nameD

5-50 Service Manual5021-0XX9 connects to ACN4 pin 2CN-CHK N/ADuplex power5 +24V-2 17 +24V-2 38PGND 210 PGND 4ACN4Pin No.Signal nameDUPLPin No.

Preventive maintenance 6-15021-0XX6. Preventive maintenanceThere is no preventive maintenance for the Lexmark C510.

6-2 Service Manual5021-0XX

Parts catalog 7-15021-0XX7. Parts catalogHow to use this parts catalog• SIMILAR ASSEMBLIES: If two assemblies contain a majority of identical parts,

7-2 Service Manual5021-0XXAssembly 1: Base printer

Parts catalog 7-35021-0XXAssembly 1: Base printerIndex P/N Units Description1-1 56P1611 1 Cover, cleaning roller2 56P1607 1 Roller, cleaning3 56P1651

1-10 Service Manual5021-0XXMedia input types and weightsSource Type Standard tray Legal tray530-Sheet trayDuplex Printer menu ItemPapertypePaperweight

7-4 Service Manual5021-0XXAssembly 2: Covers

Parts catalog 7-55021-0XXAssembly 2: CoversIndex P/N Units Description2-1 56P1676 1 Assembly, paper ramp and stop2 56P1612 1 Cover assembly, top3 56P1

7-6 Service Manual5021-0XXAssembly 3: Front

Parts catalog 7-75021-0XXAssembly 3: FrontIndex P/N Units Description3-1 56P1688 1 Cover, laser unit assembly lens2 56P1632 1 Laser unit assembly (pri

7-8 Service Manual5021-0XXAssembly 4: Right

Parts catalog 7-95021-0XXAssembly 4: RightIndex P/N Units Description4-1 56P1625 1 Gear assembly, main drive2 56P1622 1 Clutch, fuser3 1 Packet, parts

7-10 Service Manual5021-0XXAssembly 5: Rear

Parts catalog 7-115021-0XXAssembly 5: RearIndex P/N Units Description5-1 56P1678 1 Assembly, bracket (includes marker sensor (transfer belt unit), ton

7-12 Service Manual5021-0XXAssembly 6: Left

Parts catalog 7-135021-0XXAssembly 6: LeftIndex P/N Units Description6-1 56P1640 1 Power supply, high voltage2 56P1683 1 Assembly, toner retract3 56P1

General information 1-115021-0XXMedia sizesMedia sizes Dimensions Input OutputStandard 250-sheet tray 1Optional legal trayOptional 530-sheet tray 2Opt

7-14 Service Manual5021-0XXAssembly 7: Top

Parts catalog 7-155021-0XXAssembly 7: TopIndex P/N Units Description7-1 56P1618 1 Cover, I/O board2 56P1637 1 Auger, waste toner3 56P1638 1 Agitator,

7-16 Service Manual5021-0XXAssembly 8: RIP board

Parts catalog 7-175021-0XXAssembly 8: RIP boardIndex P/N Units Description8-1 56P2714 1 Board, Base RIP2 56P2715 1 Board, Network RIP3 12G7229 1 Card

7-18 Service Manual5021-0XXAssembly 9: Miscellaneous/Options

Parts catalog 7-195021-0XXAssembly 9: Miscellaneous/OptionsIndex P/N Units Description9-1 56P1663 1 Assembly, duplex unit2 56P1664 1 Assembly, seconda

7-20 Service Manual5021-0XXNS 56P1436 1 Card, RS-232C serialNS 56P1741 1 Card, N2100t Token RingNS 56P1742 1 Card, N2101e 10/100TXAssembly 9: Miscella

I-15021-0XXIndexAacronyms 1-3Bbelt cleaning process 1-36belt discharge (erase lamp) process 1-35Ccharging process 1-29control system 1-47con

I-2 Service Manual5021-0XXwiring diagram and cable harness reference 5-14Mmaintenance approach 1-1messagesoperator 2-9Ooptical system 1-40opti

I-35021-0XXwaste toner feeder 4-42repair information 4-1Ssafety information xxisecond transfer (paper) process 1-38Serial Number 3-17service c

1-12 Service Manual5021-0XXOutput capacity by media and sourceMedia guidelinesWith the Lexmark C510 print technology, paper designed for use with xero

I-4 Service Manual5021-0XX

I-55021-0XX Part number indexP/N Description page11A6199 Cable, 50-foot serial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

I-6 Service Manual5021-0XX56P1604 Cable, operator panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-556P1607 Cover, cleani

I-75021-0XX56P1666 Cover, operator panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-556P1667 Shield, INA . . . . . . .

I-8 Service Manual5021-0XX

General information 1-135021-0XX• If envelope wrinkling occurs, refer to the User's Reference for correct loading and stacking of envelopes.• All

iv Service Manual5021-0XXBasic structure of the print system . . . . . . . . . . . . . . . . . . . . .1-27Details of the print system . . . . . . .

1-14 Service Manual5021-0XX• Glossy paper is only supported from tray 1 (standard or legal trays).ConnectivityCablesPersonal computers• A parallel pri

General information 1-155021-0XXPower and electrical specificationsPrinting states C510 C510n C510dtnOff 0 W O W O WAverage power while printing C

1-16 Service Manual5021-0XXEnvironmentEnvironment SpecificationsOperating Air temperature - product operating 10 to 32.5°C (50 to 90.5°F) Air temper

General information 1-175021-0XXPrinter identification

1-18 Service Manual5021-0XXOptions identification

General information 1-195021-0XXPrinter theory of operationThe following diagram shows the major parts of the printer and paper path.

1-20 Service Manual5021-0XXPrinter paper pathThe following illustration shows the paper path and the associated paper jam messages for jams at specifi

General information 1-215021-0XXPrinter systems description See the illustration “Printer component systems” on page 1-23, for more information.Basic

1-22 Service Manual5021-0XXControl systemThe control system consists of four control parts and runs the printer by processing the interface signals tr

General information 1-235021-0XXPrinter component systems

v5021-0XX914—Laser fan service check. . . . . . . . . . . . . . . . . . . . . . . . 2-53915—Erase lamp service check . . . . . . . . . . . . . . . . .

1-24 Service Manual5021-0XXBasic process of color printing1. This printer has a toner cartridge for each color — yellow, magenta, cyan, and black.2. T

General information 1-255021-0XXPrint system and transfer systemThis illustration shows the basic structure of the print system having the OPC belt as

1-26 Service Manual5021-0XXStructure of OPC belt (photo developer cartridge) The OPC belt consists of a surface layer having an optical photoconductor

General information 1-275021-0XXBasic structure of the print systemThe print system process consists of the following:1. The OPC belt is biased to the

1-28 Service Manual5021-0XX5. Variation of the OPC belt potential: a. The OPC belt is biased to -CBV(V).b. The OPC belt surface is evenly charged to -

General information 1-295021-0XXDetails of the print system Charging process In the charging process, the OPC belt is evenly charged by the charger. S

1-30 Service Manual5021-0XX3. Before charging, the OPC belt surface is -CBV(V).The charger unit evenly charges the OPC belt surface to -Vo(V) by gener

General information 1-315021-0XXExposing process In the exposing process, the OPC belt surface is exposed to the laser light which forms an electrosta

1-32 Service Manual5021-0XXDeveloping process In the developing process, an electrostatic latent image attracts printer toner and becomes visible on t

General information 1-335021-0XXThe first illustration shows the relationship between the toner, the -Vo(V) at the non-exposed area of the OPC belt an

vi Service Manual5021-0XXInsufficient gloss service check . . . . . . . . . . . . . . . . . . . . . .2-108Jitter service check . . . . . . . . . . .

1-34 Service Manual5021-0XXFirst transfer (drum) process The first transfer process consists of toner images on the OPC belt being transferred to the

General information 1-355021-0XX4. The toner image is then transferred to paper. Belt discharge (erase lamp) process Electrical belt cleaning is accom

1-36 Service Manual5021-0XXBelt cleaning process In the belt cleaning process, residual toner adhering to the OPC belt surface is mechanically removed

General information 1-375021-0XXThe residual toner is collected in a waste toner container located by the waste toner feeder. OPC beltOPC belt cleanin

1-38 Service Manual5021-0XXDetails of the transfer system Second transfer (paper) process In the second transfer process, the toner image on the trans

General information 1-395021-0XXTransfer belt cleaning process The residual toner on the surface of the transfer belt is removed after the paper trans

1-40 Service Manual5021-0XXDetails of the optical system In the optical system process, the printer utilizes a semiconductor laser diode as a light so

General information 1-415021-0XX8F-lens: laser beam focus lens 9Mirror: laser beam path reflecting mirror No. Description

1-42 Service Manual5021-0XXDetails of the paper transportation system In the paper transportation process, paper is automatically fed by the pick-up r

General information 1-435021-0XX4Transfer roller Works in conjunction with the transfer belt to transfer the image to paper and to transport the paper

vii5021-0XXFlash test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15Printer setup . . . . . . . . . . . . . . .

1-44 Service Manual5021-0XXFusing unit The fusing unit utilizes a thermal fusing system that contains a heated fusing roller and a belt-like backup ro

General information 1-455021-0XX4Thermistor Sensor that detects the temperature of the fuser roller’s surface.5Thermal fuse Protective device that pre

1-46 Service Manual5021-0XXFusing process 1. When the paper reaches the fuser, the toner image is transferred on the paper, but not yet fused to the p

General information 1-475021-0XXControl system structure Electrical system and function The engine board controls most of the main electrical parts in

1-48 Service Manual5021-0XXControl of print process Control block diagram Note: A micro CPU mounted on the engine board controls the print processes.

General information 1-495021-0XXPrint sequence diagram

1-50 Service Manual5021-0XXLaser drive control circuit The laser drive control circuit (LDC) consists of a video signal input circuit, laser drive cir

General information 1-515021-0XXInterface control Interface type Through the video interface, the RIP controls the printer and operator panel using co

1-52 Service Manual5021-0XX

Diagnostic information 2-15021-0XX2. Diagnostic informationStart CAUTION: Remove power from the printer before you connect or disconnect any cable,

viii Service Manual5021-0XXLaser unit assembly (printhead) removal . . . . . . . . . . . . . . . .4-24Laser unit fan assembly removal . . . . . . . .

2-2 Service Manual5021-0XXService error codesError code Action 900 RIP Software Contact customer service center, or Lexmark support center 901 Yello

Diagnostic information 2-35021-0XX910Developing motor (DM) error Go to “910—Developer motor service check” on page 2-45.911Main motor (MM) errorGo to

2-4 Service Manual5021-0XX920Fuser thermistor errorGo to “920—Fuser thermistor service check” on page 2-60.921/922/923/924/925 Fuser temperature error

Diagnostic information 2-55021-0XX946Engine controller hardware errorTurn power off and then back on.If error still exists, replace engine controller

2-6 Service Manual5021-0XX961Memory errorIndicates RAM in slot 1 is bad. Replace memory in slot 1. If error persists, replace RIP board. Go to “RIP bo

Diagnostic information 2-75021-0XX979Flash parts failed while programming network portIndicates a problem with the network port. • Network printerRepl

2-8 Service Manual5021-0XX990Transfer belt (transfer unit) errorIndicates unstable transfer belt rotation; color matching cannot be secured.Go to “990

Diagnostic information 2-95021-0XXOperator messagesMessage Description ActionChange Tray <x><type> <size>Printer is requesting diffe

2-10 Service Manual5021-0XXDid you replace Fuser? Fuser page counter has exceeded fuser page limit.Replace fuser. Note: This is a customer ordered pa

Diagnostic information 2-115021-0XXMenus Disabled Printer menus have been disabled. This occurs when <Menu> is pressed while printer is Ready an

ix5021-0XXLocations and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1Printer . . . . . . . . . . . . . . . . . . . . .

2-12 Service Manual5021-0XXPower Saver Printer is ready to receive and process data. If printer remains inactive for period of time specified in Power

Diagnostic information 2-135021-0XXTray <x> Empty Input tray is empty. Load media of size and type requested in second line of display in specif

2-14 Service Manual5021-0XX35 Res Save Off Deficient MemoryPrinter lacks memory needed to enable Resource Save. This message usually indicates too muc

Diagnostic information 2-155021-0XX37 Insufficient MemoryPrinter memory is full and cannot continue processing current print jobs.Press Go to clear me

2-16 Service Manual5021-0XX39 Complex Page Page may not print correctly because print information on page is too complex.Press Go to clear message and

Diagnostic information 2-175021-0XX54 Serial Option <x> Error54 Standard Serial ErrorPrinter has detected a serial interface error on a serial p

2-18 Service Manual5021-0XX56 Parallel Port <x> Disabled56 Std Parallel Port DisabledData has been sent to printer through a parallel port, but

Diagnostic information 2-195021-0XX64 Unsupported Disk FormatPrinter detects an unsupported disk format.Press Go to clear message.Format disk.Note: D

2-20 Service Manual5021-0XX87 Fuser Exhausted Fuser is completely used.Replace fuser.If problem persists, check cable for continuity that connects eng

Diagnostic information 2-215021-0XX88 <color> Toner EmptyPrinter has ceased operating because specified toner cartridge is empty.Replace specifi