Lexmark 4402-001 manual Symptom Tables

Page 17

4402-001

Symptom Tables

Locate the symptom in the following tables and take the appropriate action.

Carrier Transport Problems

Symptom

Action

 

 

• No carrier movement

Go to the “Carrier Transport

• Slow carrier movement

Service Check” on page 2-6.

Carrier stops

 

• Carrier slams side frame

 

 

 

Maintenance Station Problems

 

 

 

Symptom

Action

 

 

Maintenance station:

Go to the “Maintenance Station

Fails to cap the printheads

Service Check” on page 2-10.

 

Fails to clean the printheads

 

 

 

Operator Panel Problems

 

 

 

Symptom

Action

 

 

• Buttons do not work

Check operator panel cable

• Power or status lights do not

connection at J6 on the system

 

work

board. Then run the “Power-On Self

 

 

Test (POST) Sequence” on

 

 

page 2-1. If operator panel fails,

 

 

replace the operator panel assembly.

 

 

If the problem still exists, replace the

 

 

system board. Go to the “System

 

 

Board Removal” on page 4-12.

 

 

Note: If any buttons or lights fail,

 

 

check connection J6. If the problem

 

 

remains, replace the operator panel

 

 

assembly. Go to the “Operator

 

 

Panel Removal” on page 4-4.

 

 

 

Diagnostic Information 2-3

Image 17
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 ApproachStart Diagnostic InformationPower-On Self Test Post Sequence Post Symptom Table Symptom Tables Go to the Gear Train Assembly Go to the CCD Module AssemblySystem Board Removal on Go to the Scan/Copy QualityGo to the Paper Path Service Go to the Paper Feed ServiceGo to the Power Service Check Go to the Print Quality ServiceEngine. Go to the Print Engine Removal on Service ChecksCarrier Transport Service Check To the Maintenance Station Removal on Assembly Print Engine Removal onRemoval on Cover Sensor Removal on page 4-6. IfRemoval on page 4-12 for more CCD Module Assembly Service CheckGear Train Assembly Service Assembly Removal on Gear Train Assembly Service CheckBelt/Idler Pulley Assembly Print Engine Removal onStation 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 Go to the System Board Removal on Print Quality Service CheckMaintenance Station Removal on Carrier transport area. Check the following Scan/Copy Quality Service Check 4402-001 Test Diagnostic Aids4402-001 Handling ESD-Sensitive Parts Repair InformationReleasing Plastic Latches AdjustmentsRemoval Procedures Rear Cover Removal Scanner Lid Assembly RemovalPaper Support Removal Top Housing Assembly RemovalOperator Panel 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