Lexmark 4402-001 manual Maintenance Approach, Abbreviations

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4402-001

Maintenance Approach

The diagnostic information in this manual leads you to the correct field replaceable unit (FRU) or part. Use the symptom index, service checks, and diagnostic aids to determine the symptom and repair the failure.

After you complete the repair, perform tests as needed to verify the repair.

Abbreviations

B/M	Bill of Material
CCD	Charged Coupled Device
EOF	End of Form
ESD	Electrostatic Discharge
FPC	Flat Printhead Cable
FRU	Field Replaceable Unit
HVPS	High Voltage Power Supply
LVPS	Low Voltage Power Supply
OEM	Original Equipment Manufacturer
V ac	Volts alternating current
V dc	Volts direct current
ZIF	Zero Insertion Force

1-4Service Manual

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Contents 4402-001 4402-001 Table of Contents Assembly 3 Electronics Index Safety Information Consignes de SécuritéNorme di sicurezza SicherheitshinweisePautas de Seguridad Informaçõ es de Seguranç aInformació de Seguretat 4402-001 Preface Power Consumption General InformationScanner Specifications Press this When you want to Button Operator PanelMaintenance Approach AbbreviationsStart Diagnostic InformationPower-On Self Test Post Sequence Post Symptom Table Symptom Tables System Board Removal on Go to the CCD Module AssemblyGo to the Gear Train Assembly Go to the Scan/Copy QualityGo to the Power Service Check Go to the Paper Feed ServiceGo to the Paper Path Service Go to the Print Quality ServiceEngine. Go to the Print Engine Removal on Service ChecksCarrier Transport Service Check Removal on Assembly Print Engine Removal onTo the Maintenance Station Removal on Cover Sensor Removal on page 4-6. IfRemoval on page 4-12 for more CCD Module Assembly Service CheckGear Train Assembly Service Belt/Idler Pulley Assembly Gear Train Assembly Service CheckAssembly Removal on Print Engine Removal onMaintenance Station Service Check Station Removal onPaper Feed Service Check Run the Power-On Self Test Post SequenceEngine 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 Diagnostic Aids Test4402-001 Repair Information Handling ESD-Sensitive PartsReleasing Plastic Latches AdjustmentsRemoval Procedures Scanner Lid Assembly Removal Rear Cover RemovalPaper Support Removal Top Housing Assembly RemovalOperator Panel Removal CCD Module Assembly Removal Gear Train Assembly Removal Access Cover Sensor RemovalAccess Cover Removal Right Cover RemovalLeft Cover Removal Middle Frame Removal 4402-001 Print Engine Removal ASF Module Removal System Board RemovalCarrier Removal Encoder Strip RemovalMaintenance Station Removal Belt/Idler Pulley Assembly Print Engine RemovalConnector Locations Units Description4402-001 Preventive Maintenance Lubrication Specifications4402-001 How to Use This Parts Catalog Parts CatalogAssembly 1 Covers Assembly 1 Covers Asm Part Units Description Index NumberAssembly 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