Lexmark 4402-001 manual Go to the Paper Feed Service, Check on, Go to the Paper Path Service

Page 19

4402-001

Paper Feed Problems

Symptom

Action

 

 

 

Fails to pick paper

Go to the “Paper Feed Service

• Picks more than one sheet of

Check” on page 2-11.

 

paper

 

Picks paper but fails to feed

 

• Paper jams

 

Paper fails to exit

 

• Noisy paper feed

 

 

 

Envelopes fail to feed

Go to the “Paper Feed Service

 

 

Check” on page 2-11.

 

 

Paper skews

Go to the “Paper Path Service

 

 

Check” on page 2-13.

 

 

Power Problems

 

 

 

Symptom

Action

 

 

No power in machine, motors do

Go to the “Power Service Check”

not operate

on page 2-14.

 

 

Print Quality Problems

 

 

 

Symptom

Action

 

 

• Voids in characters

Go to the “Print Quality Service

Light print

Check” on page 2-15.

Prints off the page

 

Fuzzy print

 

• Carrier moves but no print

 

Printhead dries prematurely

 

Colors print incorrectly

 

Vertical alignment off

 

 

 

• Ink smearing

Go to the “Paper Feed Service

Vertical streaks on paper

Check” on page 2-11.

Print lines crowded

 

 

 

 

Diagnostic Information 2-5

Image 19
Contents 4402-001 4402-001 Table of Contents Assembly 3 Electronics Index Consignes de Sécurité Safety InformationSicherheitshinweise Norme di sicurezzaInformaçõ es de Seguranç a Pautas de SeguridadInformació de Seguretat 4402-001 Preface General Information Power ConsumptionScanner Specifications Operator Panel Press this When you want to ButtonAbbreviations Maintenance ApproachPower-On Self Test Post Sequence Diagnostic InformationStart Post Symptom Table Symptom Tables Go to the Scan/Copy Quality Go to the CCD Module AssemblyGo to the Gear Train Assembly System Board Removal onGo to the Print Quality Service Go to the Paper Feed ServiceGo to the Paper Path Service Go to the Power Service CheckCarrier Transport Service Check Service ChecksEngine. Go to the Print Engine Removal on Cover Sensor Removal on page 4-6. If Assembly Print Engine Removal onTo the Maintenance Station Removal on Removal onGear Train Assembly Service CCD Module Assembly Service CheckRemoval on page 4-12 for more Print Engine Removal on Gear Train Assembly Service CheckAssembly Removal on Belt/Idler Pulley AssemblyStation Removal on Maintenance Station Service CheckRun the Power-On Self Test Post Sequence Paper Feed Service CheckEngine Removal on page 4-11 and replace Paper Path Service Check Power Service Check Maintenance Station Removal on Print Quality Service CheckGo to the System Board Removal on Carrier transport area. Check the following Scan/Copy Quality Service Check 4402-001 Test Diagnostic Aids4402-001 Handling ESD-Sensitive Parts Repair InformationRemoval Procedures AdjustmentsReleasing Plastic Latches Rear Cover Removal Scanner Lid Assembly RemovalOperator Panel Removal Top Housing Assembly RemovalPaper Support Removal CCD Module Assembly Removal Access Cover Sensor Removal Gear Train Assembly RemovalRight Cover Removal Access Cover RemovalLeft Cover Removal Middle Frame Removal 4402-001 Print Engine Removal System Board Removal ASF Module RemovalEncoder Strip Removal Carrier RemovalBelt/Idler Pulley Assembly Print Engine Removal Maintenance Station RemovalUnits Description Connector Locations4402-001 Lubrication Specifications Preventive Maintenance4402-001 Parts Catalog How to Use This Parts CatalogAssembly 1 Covers Asm Part Units Description Index Number Assembly 1 CoversAssembly 1 cont. Covers Assembly 1 cont. Covers Assembly 2 Paper Feed, Frame and Carrier Transport Assembly 2 Paper Feed, Frame and Carrier Transport Assembly 3 Electronics Assembly 3 Electronics 4402-001 Index Part Numbers