Lexmark 1020 User Manual

4078-00XColor Jetprinter™ 1020Lexmark and Lexmark with diamonddesign are trademarks of LexmarkInternational, Inc., registered in theUnited States and/

1-24078-00XAbbreviationsUnique Tools Required For ServiceParallel Wrap Plug P/N 1319128ESD Electrostatic DischargeFRU Field Replaceable UnitHVPS High

Diagnostic Information 2-14078-00X2. Diagnostic InformationUse the error indicator table, symptom tables, service checks, anddiagnostic aids in chapte

2-24078-00XError Indicator TablePower-On Self Test (POST) SequenceWhen you turn the printer on it performs a POST. Turn your machineon and check for a

Diagnostic Information 2-34078-00XPOST Symptom TableSymptom ActionNo Power Onlight and nomotors runGo to the “Power Service Check” on page 2-12.Power

2-44078-00XSymptom TablesLocate the symptom in the following tables and take the appropriateaction.Carrier Transport ProblemsCommunications ProblemsMa

Diagnostic Information 2-54078-00XPaper Feed ProblemsPower ProblemsPrint Quality ProblemsSymptom Action• Fails to pick paper• Picks more than one shee

2-64078-00XService ChecksCarrier Transport Service CheckFRU Action1 System Board Check the motor for binds, or loose motor pulley.Turn the printer off

Diagnostic Information 2-74078-00XEnvelope Feed Service Check6 Home PositionSensorPerform the “EOFandHomePositionSensorsTes t” o n p age 3- 2, to chec

2-84078-00XMaintenance Station Service CheckThe maintenance station has two functions:1. Cleans the printhead nozzles during the print operation.2. Se

Diagnostic Information 2-94078-00XPaper Feed Service CheckIf your machine does not have paper jam problems, continue withthe service check. If your ma

Second Edition (July, 1996)The following paragraph does not apply to the United Kingdom or any country where suchprovisions are inconsistent with loca

2-104078-00X2 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

Diagnostic Information 2-114078-00XPaper Path Service CheckExamine the machine for the following before you begin this servicecheck:• Check the entire

2-124078-00XParallel Port Service CheckPower Service CheckFRU Action1 Parallel Port Run a test page to be sure the printer can print.Run the “Parallel

Diagnostic Information 2-134078-00XPrint Quality Service CheckFRU / Function Action1 Print Cartridge Be sure the machine contains a good printcartridg

2-144078-00X5 MaintenanceStationIntermittent nozzle failures can be caused by wornparts in the maintenance station. Perform the“Maintenance Station Se

Diagnostic Information 2-154078-00XPrint Quality NoticePrinters are shipped with three different carrier transport motorsdisplaying a label which read

Diagnostic Aids 3-14078-00X3. Diagnostic AidsUse these diagnostic test procedures to verify a repair. The testprocedures are entered by pressing and h

Diagnostic Aids 3-24078-00XEOF and Home Position Sensors TestThis test allows the servicer to test the function of the End-of-Formand Home Position se

3-34078-00XInitialize Error LogThis test tracks intermittent errors.Use this procedure to reset the error log to zero. The error log isespecially help

Diagnostic Aids 3-44078-00XParallel Port TestThis test performs a wrap around test between the printer parallelport and the parallel port test connect

iii4078-00XContents 1Preface ...vSafetyInformation... vGeneralInformati

3-54078-00XPrint NVRAM ContentsThistestprintsthecontentsofNVRAM,whichcanbeusedfordiagnostic purposes.To r un the t est:1. Install a black print cartri

Diagnostic Aids 3-64078-00XReset NVRAM to EMEA DefaultsThis test resets the user defaults area of NVRAM to the EMEAfactory defaults. The page count an

3-74078-00XReset NVRAM to USA DefaultsThis test resets the user defaults area of NVRAM to the USA factorydefaults. The page count and the error log do

Diagnostic Aids 3-84078-00XTest PageThis test prints the test page.To run a complete test page of black and color patterns, be sure theprint cartridge

Repair Information 4-14078-00X4. Repair InformationThis chapter explains how to make adjustments to the printer andhow to remove defective parts.Note:

Repair Information 4-24078-00XAdjustmentsThe user is directed, in the Printer Control program, to perform thebidirectional alignment adjustments after

4-34078-00XAccess Cover Removal1. Open the access cover.2. Push the mounting tabs towards the center of the machine.3. Remove the access cover.Base As

Repair Information 4-44078-00XCarrier Frame Assembly RemovalThe carrier rail mounted by two screws on the carrier frame is included withthe carrier fr

4-54078-00XCarrier Transport Motor Removal1. Remove the front cover.2. Remove the rear cover.3. Disconnect the carrier transport motor connector from

Repair Information 4-64078-00XFront Cover Removal1. Turn the printer over to expose the base. Remove the two covermounting screws from the front cover

iv4078-00XRepairInformation...4-1Handling ESD-Sensitive Parts ... 4-1Adjustments...

4-74078-00XLarge Feed Roll Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the sheet feeder.4. Remove the base assembly.5. Remove

Repair Information 4-84078-00XMid Frame Assembly Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the sheet feeder.4. Remove the sy

4-94078-00XPrinthead Carrier Assembly Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the sheet feeder.4. Unlock the two printhead

Repair Information 4-104078-00XRear Cover Removal1. Remove the front cover.2. Pry upwards on the two rear cover latches [A].3. Work the tabs of the re

4-114078-00XSheet Feeder Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the two sheet feeder mounting screws from the rear ofthe

Repair Information 4-124078-00XSmall Feed Roll Bracket Assembly Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the sheet feeder.4

4-134078-00XSystem Board Removal1. Remove the front cover.2. Remove the rear cover.3. Remove the sheet feeder.4. Unlock the two printhead cable connec

Connector Locations 5-14078-00X5. Connector LocationsSystem Board Connectors

5-24078-00XConnector Connector NamesCN1 Printhead Cable 1CN2 Printhead Cable 2CN4 Carrier Transport MotorCN5 Home Position SensorCN6 Paper Feed MotorC

Preventive Maintenance 6-14078-00X6. Preventive MaintenanceThis chapter contains the lubrication specifications. Follow theserecommendations to preven

Preface v4078-002Preface 2This manual is divided into the following chapters:1. General Information contains a general description of theprinter and t

Parts Catalog 7-14078-00X7. Parts CatalogHow To Use This Parts Catalog• SIMILAR ASSEMBLIES: If two assemblies contain a majority ofidentical parts, th

Parts Catalog 7-24078-00XAssembly 1: Covers

7-34078-00XAsm-IndexPartNumberUnits Description1 -1 11A5430 1 Base Asm-2 11A5431 1 Felt Pad, Ink Absorption-3 11A5432 1 Cover, Front Asm-4 11A5433 1 C

Parts Catalog 7-44078-00XAssembly 2: Paper Feed / Carrier Transport / Maintenance

7-54078-00XAsm-IndexPartNumberUnits Description2 -1 11A5436 1 Frame, Carrier-2 11A5438 1 Sensor, Carrier Home-3 11A5450 1 Motor, Carrier Transport Asm

Parts Catalog 7-64078-00XAssembly 3: Electronics

7-74078-00XAsm-IndexPartNumberUnits Description3 -1 11A5455 1 System Board with ROMSee “Print Quality Notice” on page 2-15.-2 11A5447 1 Power Supply:

Parts Catalog 7-84078-00XAssembly 3: Electronics (Continued)

7-94078-00XAsm-IndexPartNumberUnits Description3 -4 13395261342536133952013395201342514134252613425361339526134253413425141342514133952513425141339519

Parts Catalog 7-104078-00XAssembly 4: Carrier

vi4078-00XSicherheitshinweise• Die Wartungsinformationen für dieses Produkt wurden zurVerwendung durch einen Wartungsfachmann entwickelt undsollten ni

7-114078-00XAsm-IndexPartNumberUnits Description4 -1 11A5448 1 Carrier Assembly-2 11A5437 1 Rod, Carrier Guide-3 11A5436 1 Frame, Carrier-4 11A5453 1

Parts Catalog 7-124078-00XAssembly 5: Sheet Feeder

7-134078-00XAsm-IndexPartNumberUnits Description5 -1 11A5436 1 Frame, Carrier-2 11A5453 2 Screws,Sheet Feeder Mounting (PP)-3 11A5451 1 Sheet Feeder A

4078-00XX-1AAbbreviations 1-2Adjustments 4-2Assemblies1 Covers 7-22 Carrier Transport 7-42 Maintenance Station 7-42 Paper Feed 7-43 Electronics 7-64 C

4078-00XX-2Parallel Port 3-4Print NVRAM Contents 3-5Reset NVRAM DefaultsEMEA 3-6USA 3-7Test Page 3-8Tools 1-2

Preface vii4078-002Pautas de Seguridad• La información sobre el mantenimiento de este producto fueescrita para el personal de mantenimiento cualificad

viii4078-00XChinese Safety InformationKorean Safety Information

General Information 1-14078-00X1. General InformationThe Color JetprinterTM1020 printer is a personal, near laser-qualityinkjet printer. The print car