Lexmark 4402-001 manual Diagnostic Information, Start, Power-On Self Test Post Sequence

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4402-001

2. Diagnostic Information

Start

Use the symptom tables, service checks, and diagnostic aids in chapter three, to determine the printer failure.

Power-On Self Test (POST) Sequence

Press the power button to turn machine on.

•Power light turns on.

•The paper feed motor runs then stops.

•Status light stays on for a second and turns off.

•The carrier moves to the left then returns to the right stopping at the maintenance station.

•Power light stays on.

If your printer completes POST with no errors, go to the “Symptom Tables” on page 2-3, locate the symptom and take the indicated action.

If your printer does not complete POST, locate the symptom in the following table and take the indicated action.

Diagnostic Information 2-1

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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 ApproachDiagnostic Information Power-On Self Test Post SequenceStart 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 CheckService Checks Carrier Transport Service CheckEngine. 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 onCCD Module Assembly Service Check Gear Train Assembly ServiceRemoval 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 Print Quality Service Check Maintenance Station Removal onGo 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 InformationAdjustments Removal ProceduresReleasing Plastic Latches Rear Cover Removal Scanner Lid Assembly RemovalTop Housing Assembly Removal Operator Panel 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