Lexmark 4090-001 User Manual

4090-001Color Jetprinter™ 2070Lexmark and Lexmark with diamonddesign are trademarks of LexmarkInternational, Inc., registered in theUnited States and/

General Information 1-14090-0011. General InformationThe Color JetprinterTM2070 (4090-001) printer is a personal, nearlaser-quality inkjet printer. Th

General Information 1-24090-001After you complete the repair, perform tests as needed to verify therepair.AbbreviationsUnique Tools Required For Servi

Diagnostic Information 2-14090-0012. Diagnostic InformationUse the error indicator table, symptom tables, service checks, anddiagnostic aids to determ

Diagnostic Information 2-24090-001Error Indicator TablePower-On Self Test (POST) SequenceWhen you turn the printer on it performs a POST. Turn your pr

2-34090-001If your printer does not complete POST, locate the symptom in thefollowing table and take the indicated action.POST Symptom TableSymptom Ac

Diagnostic Information 2-44090-001Symptom TablesLocate the symptom in the following tables and take the appropriateaction.Carrier Transport ProblemsCo

2-54090-001Paper Feed ProblemsPower ProblemsPrint Quality ProblemsSymptom ActionPaper fails to stop at first print line Go to the ’First Print Line Se

Diagnostic Information 2-64090-001Service ChecksEnvelope Feed Service CheckFirst Print Line Service CheckFRU Action1 Envelope Guide Be sure the envelo

2-74090-001Maintenance Station Service CheckThe maintenance station has two functions:1. Cleans the printhead nozzles during the print operation.2. Se

Diagnostic Information 2-84090-001Paper Feed Service CheckIf your printer does not have paper jam problems, continue with theservice check. If your pr

Third Edition (July, 1997)The following paragraph does not apply to the United Kingdom or any country where suchprovisions are inconsistent with local

2-94090-0012 Paper Feed Motor A noisy or chattering motor or a motor that fails toturn, can be caused by:• An open or short in the motor• An open or s

Diagnostic Information 2-104090-001Paper Path Service CheckExamine the printer for the following before you begin this servicecheck:• Check the entire

2-114090-001Parallel Port Service CheckPower Service CheckFRU Action1 Parallel Port Run a test page to be sure the printer can print.Run the ’Parallel

Diagnostic Information 2-124090-001Print Quality Service CheckFRU Action1 Print Cartridge Be sure the printer contains good print cartridges.2 Printhe

2-134090-0015 Paper Feed Ink smudging and smearing can be caused bypaper problems or problems in the paper feedarea.Check the following:• Correct type

Diagnostic Information 2-144090-001Transport Service CheckFRU Action1 Transport Motor Check the motor for binds, or loose motor pulley.Disconnect the

Diagnostic Aids 3-14090-0013. Diagnostic AidsUse these diagnostic test procedures to verify a repair. There aretwo ways to enter test procedures, each

Diagnostic Aids 3-24090-001Encoder Sensor TestThis test disables the printer motors to allow you to manually movethe carrier to verify the encoder is

3-34090-0014090-001Initialize Error LogThis test allows you to track new errors.Use this procedure to reset the error log to zero. The error log isesp

Diagnostic Aids 3-44090-001Paper Sensor TestThis test checks the paper sensor on the system board.During the test, the power light remains on. The Bus

iii4090-001Contents 1Contents ...iiiPreface ...viSafetyInformat

3-54090-0014090-001Parallel Port TestThis test performs a wrap around test between the printer parallelport and the parallel port test connector.This

Diagnostic Aids 3-64090-001Print NVRAM ContentsThis test prints the contents of NVRAM in hexadecimal format.To r un th e test:1. Turn the printer off

3-74090-0014090-001Test PageThis test prints the test page.To run a complete test page of black and color patterns, be sure theprint cartridges are in

Repair Information 4-14090-0014. Repair InformationThis chapter explains how to make adjustments to the printer andhow to remove defective parts.Note:

4-24090-001AdjustmentsThe user is directed, in the Printer Control program, to perform thehead to head and bidirectional alignment adjustments after r

Repair Information 4-34090-001Base Assembly Removal1. Remove the front cover.2. Remove the rear cover.3. Disconnect the power supply connector at the

4-44090-001Carrier Frame Assembly Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the base assembly.4. Disconnect the paper feed m

Repair Information 4-54090-001Note: During reassembly:1. Be sure the small feed roll spring extensions [B] are in thegroves of the small feed roll arm

4-64090-001Code Module Removal1. Remove the front cover.2. Remove the rear cover.3. Gently pry the Code Module from the system board noting thepositio

Repair Information 4-74090-001Exit Drive Belt Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the carrier frame assembly.4. Remove

iv4090-001RepairInformation...4-1Handling ESD-Sensitive Parts ... 4-1Adjustments...

4-84090-001Front Cover Removal1. Place a screwdriver in slot [A] and release the cover latches.2. Slide the cover forward and off the printer.To reass

Repair Information 4-94090-001Inside Idler Gears Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the printer from the base assembl

4-104090-001Large Feed Roll Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the carrier frame assembly.4. Using a small screwdrive

Repair Information 4-114090-001Large Outside Gear Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the paper load door and manual i

4-124090-001Left Side Frame Assembly Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the carrier frame assembly.4. Remove the pape

Repair Information 4-134090-001Maintenance Station Assembly Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the two screws from th

4-144090-001Paper Feed Motor Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the base assembly.4. Remove the two screws securing t

Repair Information 4-154090-001Note: During reassembly:1. Be sure the small feed roll spring extensions [B] are in thegroves of the small feed roll ar

4-164090-001Paper Load Door RemovalSpread the left side frame where it joins the paper load door andremove the door.Pick Roll Hub, Shaft and Envelope

Repair Information 4-174090-001Printhead Cable, Cradle & Paper Deflector Removal1. Remove the front cover.2. Remove the printhead carrier assembly

v4090-001PreventiveMaintenance ...6-1Lubrication Specifications. . ...6-1PartsCatalog ...

4-184090-001Note: Be sure the cable is secured under the three retaining clips[B] on the back of the carrier.B

Repair Information 4-194090-001Printhead Carrier Assembly Removal1. Remove the front cover.2. Unlock the two printhead cable connectors and disconnect

4-204090-001Rear Cover Removal1. Remove the front cover.2. Place a screwdriver in slot [A] and release the cover latches.3. Slide the cover up and off

Repair Information 4-214090-001Small Feed Roll Shaft, Rollers & Paper Flap Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the

Connector Locations 5-14090-0015. Connector LocationsThe printer is shipped with the jumper pin setting in the followingstatic position. Be sure the j

Connector Locations 5-24090-001System Board Connectors

5-34090-001Encoder Card ConnectorConnector Connector NamesJ1Printhead Cable 1J2Printhead Cable 2J3Power SupplyJ4Transport MotorJ5Paper Feed MotorJ6Tes

Preventive Maintenance 6-14090-0016. Preventive MaintenanceThis chapter contains the lubrication specifications. Follow theserecommendations to preven

Parts Catalog 7-14090-0017. Parts CatalogHow To Use This Parts Catalog•SIMILAR ASSEMBLIES: If two assemblies contain a majority ofidentical parts, the

Parts Catalog 7-24090-001Assembly 1: Covers

4090-001viPreface 2This manual is divided into the following chapters:1. General Information contains a general description of theprinter and the main

7-34090-001Asm-IndexPartNumberUnits Description1 -1 70G0594 1 Base Asm includes Exit Tray, GutterPad, Feet-2 70G0595 1 Front Cover Asm, Access Cover,

Parts Catalog 7-44090-001Assembly 2: Frames

7-54090-001Asm-IndexPartNumberUnits Description2 -1 69G4120 1 Left Side Frame Sub-Asm withoutGearsAlso order gears B/M 69G4127-2 70G0574 1 Mid Frame w

Parts Catalog 7-64090-001Assembly 3: Paper Feed

7-74090-001Asm-IndexPartNumberUnits Description3 -1 69G4074 1 Paper Guide Asm includes EOFFlag, Spring (Old style - workswith old or new small feed ro

Parts Catalog 7-84090-001Assembly 4: Electronics

7-94090-001Asm-IndexPartNumberUnits Description4 -1 70G2695 1 System Board, W/O Code ModuleIf code module in old board is labeled:70G0830 through 70G0

Parts Catalog 7-104090-001Assembly 4: Electronics (continued)

7-114090-001Asm-IndexPartNumberUnits Description4 -4 70G3000 1 Code Module-5 69G4188 5 Screw, System Board Mounting(PP)NS 69G4188 1 Screw, Ground Jump

Parts Catalog 7-124090-001Assembly 5: Carrier

4090-001Preface viiSicherheitshinweise• Die Wartungsinformationen für dieses Produkt wurden zurVerwendung durch einen Wartungsfachmann entwickelt unds

7-134090-001Asm-IndexPartNumberUnits Description5 -1 70G0585 1 Printhead Carrier B/M-2 70G0586 1 Printhead Cable (Folded)-3 70G0587 1 Rubber Backer-4

Parts Catalog 7-144090-001Assembly 6: Carrier Transport532614

7-154090-001Asm-IndexPartNumberUnits Description6 -1 69G4158 1 Carrier Transport Motor & Pulley-2 69G4159 1 Carrier Belt-3 69G4403 1 Encoder Strip

Parts Catalog 7-164090-001Assembly 7: Sheet Feeder

7-174090-001Asm-IndexPartNumberUnits Description7 -1 69G4166 1 Right Edge Guide & Width AdjustStrip-2 69G4167 1 Left Edge Guide-3 69G4131 1 Upper

Parts Catalog 7-184090-001Assembly 8: Maintenance Station

7-194090-001Asm-IndexPartnumberUnits Description8 -1 70G0589 1 Maintenance Station Asm-2 70G0590 1 Wiper and Cap B/M (one of each)-3 69G4188 1 Screw,

4090-001X-1Index 3AAbbreviations 1-2Adjustments 4-2Assemblies1 Covers7-22Frames7-43 Paper Feed 7-64 Electronics 7-85 Carrier 7-126 Carrier Transport 7

4090-001X-2Removals ContinuedPaper Load Door4-16Paper Load Shaft 4-6Pick Roll Hub 4-16Pick Roll Shaft 4-16Power Supply 4-16Printhead Cable 4-17Printhe

4090-001viiiPautas de Seguridad• La información sobre el mantenimiento de este producto fueescrita para el personal de mantenimiento cualificado y nop

4090-001Preface ixChinese Safety InformationKorean Safety Information