Lexmark 4076-0XX Paper Feed Problems, Power Problems, Print Quality Problems, Symptom, Action

Page 22

4076-0XX

Paper Feed Problems

SYMPTOM

ACTION

 

 

Paper fails to stop at first print

Go to the “First Print Line Service

line

Check” on page 11.

 

 

• Fails to pick paper

Go to the “Paper Feed Service

• Picks more than one sheet of

Check” on page 14.

paper

 

• Picks paper but fails to feed

 

• Paper jams

 

• Paper fails to exit

 

• Noisy paper feed

 

 

 

Envelopes fail to feed

Go to the “Envelope Feed Service

 

Check” on page 11.

 

 

Paper skews

Go to the “Paper Path Service

 

Check” on page 17.

 

 

Power Problems

 

SYMPTOM

ACTION

 

 

No power in machine, no lights,

Go to the “Power Service Check” on

no motors

page 19.

 

 

Print Quality Problems

 

 

 

SYMPTOM

ACTION

 

 

• Voids in characters

Go to the “Print Quality Service

• Light print

Check” on page 20.

• Prints off the page

 

• Prints satellites

 

• Carrier moves but does not print

 

• Print head drying out prema-

 

turely

 

• Vertical alignment off

 

 

 

• Ink smearing

Go to the “Paper Feed Service

• Vertical streaks on paper

Check” on page 14.

• Print lines crowded

 

 

 

10

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Contents •Manuals Menu •Table of Contents •Start Diagnostics•Safety and Notices •Trademarks •Index 4076-0XXCopyright Lexmark International, Inc. 1994, 4076-0XXSecond Edition May, All Rights ReservedContents Repair Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . How To Use This Parts Catalog 4076-0XXElectronic Emission Notices Notices and Safety InformationFederal Communications Commission FCC Statement Avis de conformité aux normes d’Industrie Canada Industry Canada Compliance StatementThe United Kingdom Telecommunications Act Japanese VCCI Notice Safety Informationviii Consignes de Sécurité SicherheitshinweiseNorme di sicurezza Informações de Segurança Pautas de SeguridadInformació de Seguretat Chinese Safety Information Korean Safety Information General Information Power Consumption• • • • • • • Maintenance ApproachOptions Unique Tools Required For Service AbbreviationsStart Diagnostic Information1.Run the “Test Page” on page Alternating Light Pattern Error Indicator TableError ActionGo to the “Maintenance Station Service Check” on pagePower-on-self-testPost Sequence POST Symptom Table SymptomCommunications Problem Symptom TablesCarrier Transport Problems Maintenance Station ProblemsPower Problems 4076-0XX Paper Feed ProblemsPrint Quality Problems First Print Line Service Check Service ChecksEnvelope Feed Service Check 4076-0XX SIMM ProblemMaintenance Station Service Check Operator Panel Service Check Paper Feed Service Check • • • • •Paper Feed Motor 4076-0XX Paper Path Service Check can print. Run the “Parallel Port Test” Parallel Port Service CheckRun the “Serial Adapter Test” on Power Service Check Print Quality Service Check Perform the “Purge Test” on page“Maintenance Station Service Check” Alignment Adjustment” on pageTransport Service Check Simm Service CheckFRUU or PROCEDURE the “Maintenance Station Service Perform the “Encoder Sensor Test” onDemo Test Diagnostic AidsPrint Fonts Test Purge Test Print NvramTest Page Paper Sensor TestEncoder Sensor Test Hex PrintParallel Port Test Initialize NvramSerial Adapter Test Repair Information Handling Esd-sensitivePartsAdjustments Bi-directionalAlignment AdjustmentRemoval Procedures Releasing Plastic LatchesAuto Sheet Feed ASF Assembly Removal ASF Envelope Buckler And Pick Roller Hub RemovalASF Paper Load Lever Removal ASF Right And Left Edge Guide Assemblies RemovalCarrier Removal Carrier Guide Removal Carrier Transport Belt RemovalCarrier Transport Motor Removal Carrier Transport Motor Frame Removal Encoder Strip RemovalEnd-of-formsFlag Removal Exit Roller Assembly RemovalFeed Arm Assembly Removal Eprom RemovalLarge Feed Roller Assembly Removal Inside Idler Gears RemovalLeft Side Frame Removal Middle Frame Removal Maintenance Drive And Rocker Assemblies RemovalOperator Panel Removal Paper Feed Motor Removal Outside Idler Gears RemovalPaper Ejectors Removal Paper Guide RemovalPower Supply Removal Paper Release Lever RemovalPrint Head Cable Removal Right Side Frame Removal Rubber Backer Removal Small Feed Roller Assembly RemovalStar Roller Removal System Board Removal Top Cover Removal Connector Connector LocationsSystem Board Connectors Connector NamesFLASH/RAM SIMM Option Maintenance MotorCode Module Lubrication Specifications Preventive Maintenance• • • • • • • How To Use This Parts Catalog Parts Catalog4076-0XX Assembly 1: Covers 9 7 4 8 2 6 Units Asm.Part Description4076-0XX Assembly 2: Frames 7 2 3 4 5 1 6 Part 4076-0XX Assembly 3: Paper Feed 1 3 2 4 5 6 7 8 9 Part 4076-0XX Assembly 3: Paper Feed Cont Part 4076-0XX Assembly 4: Electronics 5 4 4 3 2 10 9 1 8 11 6 7Part 4076-0XX Assembly 4: Electronics Cont 5 4 4 3 2 10 9Part 4076-0XX Assembly 4 Electronics Cont 12 13 12 9 10 11Part 4076-0XX Assembly 5: Carrier Unit 4076-0XX Assembly 6: Carrier Transport 2 6 3Part 8 4 7 4076-0XX Assembly 7: Auto Sheet Feed 6 310 13 12 2 5 1 14 9Part 4076-0XX Assembly 8: Maintenance Station 3 1 2 4 Part 4076-0XX Assembly 9: Options 1 Part Index Unique Tools