Lexmark 4093, 4094 Service Manual

5000 an Color Jetprinter™

0 Photo Jetprinter

• Table of Contents

• Start Diagnostics

• Safety and Notices

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• Trademarks

•Index

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design are trademarks of Lexmark
International, Inc., registered in the
United States and/or other countries.

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Table of Contents

Preface................................................ix

SafetyInformation .......................................x

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

Models ...............................................1-1

Lights and Buttons (5770) ................................1-2

Operator Panel and Menu (5770) ...........................1-3

Resolution and Print Speed . . . ............................1-5

PowerConsumption.....................................1-5

Maintenance Approach ..................................1-5

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

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

Start..................................................2-1

ErrorIndicatorTable ..................................2-2

Power-On Self Test (POST) Sequence ...................2-3

Power-On Self Test (POST) Sequence (5770) ..............2-3

POSTSymptomTable ................................2-4

SymptomTables.....................................2-5

ServiceChecks ........................................2-8

FirstPrintLineServiceCheck...........................2-8

Maintenance Station Service Check . . . ...................2-9

Operator Panel Service Check (5770) . . ..................2-10

Operator Panel Display Service Check . ..................2-11

Paper Feed Service Check . ...........................2-12

Paper Path Service Check. . ...........................2-14

ParallelPortServiceCheck ...........................2-14

PhotoControllerServiceCheck ........................2-15

PowerServiceCheck ................................2-16

PrintQualityServiceCheck............................2-17

TransportServiceCheck..............................2-19

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

Paper Pick Assembly Operation ............................3-1

EndofForms(EOF)Test .................................3-5

TestPage.............................................3-6

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

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

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

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Removal Procedures . ....................................4-2

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

BaseAssemblyRemoval ...............................4-3

CarrierBeltRemoval ..................................4-3

CarrierFrameAssemblyRemoval....................... 4-4

CarrierTransportMotorRemoval.........................4-4

Covers(Complete)Removal.............................4-5

Cover(Center)Removal................................4-6

EncoderCardRemoval................ ........ 4-6

EncoderStripRemoval................ .........4-7

EOFFlagAssemblyandHolderRemoval . .........4-7

ExitDriveBeltRemoval................ ........ 4-8

ExitRollerRemoval .................. .........4-8

GearPlateRemoval.................. .........4-9

GutterPadRemoval.................. .........4-9

LargeFeedRollRemoval.............. .........4-9

Maintenance Station Assembly Removal . . ........4-10

Maintenance Wipers and Caps Removal . . ........4-10

Mid-FrameAssemblyRemoval ......... ........4-10

Paper Feed Motor Removal . . .......... ........4-11

Paper Pick Assembly Removal ......... ........4-11

PhotoControllerAssemblyRemoval ..... ........4-11

Printhead Cable and Cradle Removal . . . . ........4-12

Printhead Carrier Assembly Removal . . . . ........4-13

Printhead Rubber Backer Removal ...... ........4-14

Sheet Feeder Removal ............... ........4-15

SmallFeedRollerRemoval ............ ........4-15

StarRollerRemoval .................. ........4-15

SystemBoardRemoval............................... 4-15

ConnectorLocations....................................5-1

System Board Connectors (5000, 5700) ......................5-1

System Board Connectors (5770) .......................... 5-2

Photo Controller Board Connectors (5770) . . ................. 5-3

Preventive Maintenance .................................6-1

LubricationSpecifications .................................6-1

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

HowToUseThePartsCatalog .......... ..........7-1

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

Frames ............................. ..........7-4

Paper Feed .......................... ..........7-6

Electronics........................... ..........7-8

Carrier ............................. .........7-10

CarrierTransport ..................... .........7-12

Sheet Feeder ........................ .........7-14

Maintenance Station ................... .........7-16

PhotoController ...................... .........7-18

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

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Assembly 1: Covers

7-2 Service Manual