Lexmark Optra C Manuel utilisateur

5045-001

Lexmark Optra™ C

Lexmark and Lexmark with diamond

design are trademarks of Lexmark

International, Inc., registered in the

United States and/or other countries.

• Table of Contents

•Index

• Safety and Notices

• Trademarks

• Start Diagnostics

• Manuals Menu

Second Edition (March, 1996)

The following paragraph does not apply to the united kingdom or 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 of the publication. Improvements or changes in the

products or the programs described in this publication may be made at any

time. Publications are not stocked at the address given below; requests for

publications should be made to your point of purchase.

Comments may be addressed to Lexmark International, Inc., Department

D22A/035-3, 740 New Circle Road, Lexington, Kentucky 40550, U.S.A.

Lexmark may use or distribute any of the information you supply in any way it

believes appropriate without incurring any obligation to you.

UNITED STATES GOVERNMENT RESTRICTED RIGHTS

This software and documentation are provided with RESTRICTED RIGHTS.

Use, duplication or disclosure by the Government is subject to restrictions as

set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer

Software clause at DFARS 252.227-7013 and in applicable FAR provisions:

Lexmark International, Inc., Lexington, KY 40550.

5045-001

Contents iii

5045-001

Contents

Preface...............................................x

NoticesandSafetyInformation...........................xi

LaserNotice....................................... xi

Trademarks....................................... xix

SafetyInformation.................................. xxii

GeneralInformation...................................1-1

PowerConsumption................................ 1-1

Options.......................................... 1-1

Maintenance Approach.............................. 1-2

Tools............................................ 1-5

Abbreviations..................................... 1-6

DiagnosticInformation ................................2-1

Diagnostic/Maintenance Approach..................... 2-1

Start ............................................ 2-4

OperatorCodes................................ 2-5

Power-OnSelfTest(POST)....................... 2-8

ErrorMessageTable........................... 2-10

SymptomTable............................... 2-12

ServiceChecks................................... 2-14

Error(46)TonerCartridgeNotInstalledCorrectly..... 2-14

Error (111/112) Fuser, Warm-Up/Temperature Low . . . 2-15

Error (113) Fuser Temperature High ............... 2-16

Error (114) Fuser Failure ........................ 2-16

Error (115) Fuser Heater Off ..................... 2-17

Error (116) Fuser Unit Missing.................... 2-17

Error (117) Fuser Pump Failure . . . ................ 2-18

Error (121/125) Laser Board Failure ............... 2-20

Error (122) Laser Failure ........................ 2-20

Error (123/124) Mirror Motor Start-up or Rotation ..... 2-21

Error (126/131) Transfer Drum Motor Failure. . ....... 2-22

Error (130) Service Motor Error . . . ................ 2-22

Error (132/133) Main Motor (M2) Start-Up or Rotation. . 2-23

Error (134) Controller Fan Motor Failure ............ 2-23

Error (135) Fuser Unit Fan Motor Failure............ 2-24

Error (136) Electrical Unit Fan Motor Failure . . ....... 2-24

Error (141) Power Supply Failure (LVPS 110V or 220V) 2-25

Error (142) Engine Board Memory Failure........... 2-25

Error (143) 5 V / 24 V Supply Failure............... 2-26

Error (144) Temperature/Humidity Sensor Failure..... 2-26

Error (145) Density Sensor Failure. ................ 2-26

5045-001

Service Checks (continued)

Error (146) Printer Communication Failure .......... 2-27

Error (147) Engine Board IC Failure . .............. 2-27

Error (148) Developer Unit Rotation Failure ......... 2-28

Error (149) Developer Unit Pressure Failure......... 2-29

Error (152) Tray 2 Power Failure.................. 2-29

NoACPower/DeadMachine..................... 2-30

NoDCPower................................. 2-31

No Pickup (Manual Feed) ....................... 2-31

No Pickup (Cassette Feed) ...................... 2-32

No Pickup (Optional Paper Feeder Pickup).......... 2-32

RegistrationRollerDoesNotRotate............... 2-33

High-VoltagePowerSupplyOutput................ 2-33

Pickup / Feed System Theory .................... 2-34

Paper Feed Troubleshooting . ....................... 2-38

PickupUnit .................................. 2-38

TransferDrumUnit............................ 2-40

Fuser/DeliveryUnit............................ 2-41

Fuser....................................... 2-42

Multi-Feed................................... 2-43

Wrinkles..................................... 2-44

Leading-Edge Fold ............................ 2-44

Skewing..................................... 2-45

Error Codes - 9XX ................................ 2-46

Error (900) Software Error....................... 2-46

Error (941) Service ROM SIMM .................. 2-46

Error (939, 942, 943, 944) Service RIP Board. . . ..... 2-46

Error (945) Service RIP Board.................... 2-46

Error (946) Service RIP Board.................... 2-47

Error (947) Service RIP Board.................... 2-47

Error (948) Service RIP Board.................... 2-47

Error (949) Service RIP Board.................... 2-47

Error (950) Service RIP Board.................... 2-48

Error (953) Service RIP Board.................... 2-48

Error (955) Service Video RAM Error .............. 2-48

Error (956) Service L2 Cache Error. . .............. 2-48

Error (960) Service Memory Error. . . .............. 2-48

Error (961) Bad / Missing DRAM.................. 2-49

Error (970/979) INI Failure....................... 2-49

Error (977) Service Network Board . . .............. 2-49

Contents v

5045-001

PrintQuality ..................................... 2-50

PrintQualityStartOfCall........................ 2-50

HorizontalVariation(“Jitter”)Example.............. 2-52

Print Quality Troubleshooting ........................ 2-54

Background .................................. 2-54

BlackHorizontalLines.......................... 2-54

BlackVerticalLines............................ 2-55

BluratBottomofPage.......................... 2-55

LaserFailures................................. 2-56

LowColorCoverageorUsage.................... 2-56

OilSoaking................................... 2-57

Random Oil Spots on Page ...................... 2-58

Spew ....................................... 2-58

VerticalStreaks............................... 2-59

PrintQualityServiceChecks........................ 2-61

BlackServiceCheck ........................... 2-61

BlankPageServiceCheck....................... 2-62

BlankSpotsServiceCheck...................... 2-63

ColorAberrationServiceCheck................... 2-63

DarkImageServiceCheck....................... 2-64

Dirt On Back Of Paper Service Check .............. 2-65

DirtyPrintServiceCheck........................ 2-66

DistortionServiceCheck........................ 2-67

HorizontalVoidsServiceCheck................... 2-67

LightImageServiceCheck ...................... 2-68

PoorFusingServiceCheck...................... 2-69

SpacingTableServiceCheck.................... 2-69

StreakingServiceCheck........................ 2-70

TonerScatteredServiceCheck................... 2-71

VerticalLinesServiceCheck..................... 2-72

VerticalVoidsServiceCheck..................... 2-73

DiagnosticAids ......................................3-1

BasicEngineTest .............................. 3-1

Diagnostics Mode............................... 3-2

Diagnostics Mode Menu Structure. ................. 3-3

Diagnostics Mode Tests . . . .......................... 3-4

ButtonTest.................................... 3-4

Compressor................................... 3-4

Defaults...................................... 3-5

DiskTest/Clean................................ 3-5

ErrorLog ..................................... 3-6

FlashTest..................................... 3-6

5045-001

Diagnostics Mode Tests (continued)

LCDTest..................................... 3-7

MemoryTests................................. 3-7

Page Count . . ................................. 3-7

PermanentPageCount.......................... 3-8

PrintTest1................................... 3-8

PrintTest2................................... 3-9

PrintTest3................................... 3-9

QuickDiskTest............................... 3-10

WrapTests.................................. 3-11

OtherTests ..................................... 3-12

DensityAdjustmentPanel....................... 3-12

LANInformation............................... 3-21

RepairInformation....................................4-1

Handling ESD-Sensitive Parts ........................ 4-1

Adjustments...................................... 4-2

ServiceInformation................................ 4-2

ReleasingPlasticLatches........................ 4-2

Screws....................................... 4-2

RemovalProcedures............................... 4-3

AttractionRollerDriveAssembly................... 4-3

Cassette Paper Pickup Drive Motor . ............... 4-4

RegistrationRollerDriveClutch ................... 4-4

Cassette Paper Pickup PCB ...................... 4-5

Cassette Paper Pickup Assembly . . . ............... 4-5

Cassette Paper Pickup D-rollers ................... 4-6

Cassette Paper Pickup Roller Assembly, Front. . ...... 4-6

Cassette Paper Pickup Roller Assembly, Rear. . ...... 4-6

Cassette Paper Pickup Solenoid................... 4-7

CoronaAssembly.............................. 4-7

CoverRemovals............................... 4-8

DCControllerPCB ............................ 4-14

DensityAdjustmentPanel....................... 4-23

DensitySensor............................... 4-23

DevelopingRotaryAssembly .................... 4-24

DischargeRollerDriveAssembly................. 4-25

Drive Gear Solenoid Assembly ................... 4-26

Drum Cleaner Assembly . ....................... 4-27

DrumLiftAssembly............................ 4-28

FuserAssembly............................... 4-29

FuserOilBottleCaseAssembly.................. 4-30

FuserHotRollers.............................. 4-31

Contents vii

5045-001

Removal Procedures (continued)

FuserThermoSwitch........................... 4-32

Fuser Cleaner Assembly ........................ 4-33

FuserOilApplyAssembly....................... 4-34

FuserThermistor.............................. 4-35

FuserLamps ................................. 4-37

FuserOilApplyingInputAssembly ................ 4-39

FuserDeliveryAssembly........................ 4-39

High Voltage Power Supply ...................... 4-40

HighVoltageConverter......................... 4-40

Low Voltage Power Supply ...................... 4-41

MainDriveMotorandBoard ..................... 4-41

Mechanical Controller PCB ...................... 4-42

Multipurpose Feeder Paper Pickup, D-Roller. . ....... 4-42

Multipurpose Feeder Paper Sensor ................ 4-42

MultipurposeFeederU-TurnRollerAssembly........ 4-43

Multipurpose Feeder D-Roller Solenoid............. 4-43

Paper Delivery Assembly........................ 4-44

Printhead and Printhead Board . . . ................ 4-45

PrinterDriveAssembly.......................... 4-48

Rotary Manual Feed Assembly . . . ................ 4-49

RearCoolingFan.............................. 4-49

RearCoolingDuct............................. 4-50

Transfer Drum Motor and Developer Drive Motor ..... 4-50

TransferDrumandHolderAssembly............... 4-51

TransferDrumSeparationClaw................... 4-52

TransferDrumKnobAssembly................... 4-52

TransferDrumAttractionRoller................... 4-53

TransferDrumSheet........................... 4-54

TransferDrumFrontandRearSlideAssemblies...... 4-55

TransferDrumDischargeRoller................... 4-55

TransferDrumHVContactAssembly.............. 4-55

TransferDrumGripperAssembly.................. 4-56

Transfer Drum Solenoid......................... 4-57

TransferDrumSensors......................... 4-58

TransferDrumAssembly........................ 4-59

Transfer Drum Cleaning Drive Assembly............ 4-61

TonerCartridgeEjector......................... 4-62

Upper Cooling Fan............................. 4-63

Upper Output Drive Assembly .................... 4-63

VideoControllerBoard.......................... 4-63

Optional Paper Feeder Removals .................... 4-64

viii

5045-001

Locations ...........................................5-1

Switches..................................... 5-2

Sensors...................................... 5-4

Clutches and Solenoids. . ........................ 5-7

MotorsandFuserHeaters........................ 5-9

PCBs....................................... 5-11

Connector Locations ........................... 5-14

DC Controller Board Connector Locations .......... 5-17

DC Controller Board Connector Locations (Graphic) . . 5-18

Mechanical Controller Board Connector Locations.... 5-24

Mechanical Controller Board Connectors (Graphic) . . . 5-25

Paper Pickup Board............................ 5-30

TerminalBoard............................... 5-32

Optional Paper Feeder (Driver Board).............. 5-33

Optional Paper Feeder (Miscellaneous) ............ 5-34

High Voltage Power Supply PCB . . . .............. 5-34

Separation HVT PCB........................... 5-35

EjectionSensingPCB.......................... 5-35

CassetteSizeSensingPCB..................... 5-35

Paper Feed Driver PCB. . ....................... 5-36

Fuser Connector (J21). . . ....................... 5-37

PreventiveMaintenance ...............................6-1

SafetyInspectionGuide ......................... 6-1

Lubrication Specifications ........................ 6-2

Lubricants and Cleaners . ........................ 6-2

Maintenance, Customer Checks ................... 6-3

PartsCatalog ........................................7-1

HowToUseThisPartsCatalog....................... 7-1

Covers........................................7-2

MajorComponents..............................7-4

Toner(used)Reservoir/HV........................7-6

MajorAssemblies(Top/Bottom)....................7-8

DCController/VideoControllerBoard..............7-10

Laser........................................7-12

Drive,Main ...................................7-14

DensityAdjustmentPanel........................7-16

BottomPlate..................................7-18

Door Switch, Upper .............................7-20

DoorSwitch,Lower.............................7-22

EjectorLever..................................7-24

SolenoidPlate.................................7-26

Cleaning Belt Drive Solenoid......................7-28

Contents ix

5045-001

Parts Catalog (continued)

Rotary Manual Feed. . . ..........................7-30

PrinterDrive...................................7-32

Transfer Drum Cleaning Drive .....................7-34

DischargeRollerDrive...........................7-36

DrumLift......................................7-38

AttractionRollerDrive ...........................7-40

Paper Drive ...................................7-42

UniversalCassette..............................7-44

Paper Pickup ..................................7-46

Cassette Paper Pickup Asm.......................7-48

MultipurposeFeederPickupAsm ..................7-52

Paper, Side Exit Asm . . ..........................7-54

DevelopingRotaryAsm..........................7-56

Transfer Drum Mounting Asm .....................7-58

TransferDrum.................................7-60

DensitySensorAsm.............................7-64

Transfer Drum Cleaning..........................7-66

Fuser........................................7-68

VideoControllerBoard...........................7-72

Optional Paper Feeder (Main Body).................7-74

Optional Paper Feeder (Front).....................7-76

Paper Pickup Asm (Base) ........................7-80

Paper Pickup Asm (Rear).........................7-82

Options.......................................7-84

WiringDiagram.......................................8-1

Index............................................... X-1

5045-001

Preface

This manual is divided into the following chapters:

•“General Information” contains a general description of the

printer and the maintenance approach used to repair it. Special

tools, test equipment, and options are listed.

•“Diagnostic Information” contains error code table, symptom

table, and service checks used to isolate failing field replaceable

units (FRUs).

•“Diagnostic Aids” contains tests and checks used to locate or

repeat symptoms of printer problems.

•“Repair Information” provides instructions for making printer

adjustments and removing and installing FRUs.

•“Connector Locations” uses illustrations to identify the major

components and test points on the printer.

•“Preventive Maintenance” contains safety inspection guide-

lines, lubrication specifications, and maintenance information to

prevent problems and maintain optimum performance.

•“Parts Catalog” contains illustrations and part numbers for indi-

vidual FRUs.

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