Lexmark 4402-001 manual Preface

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4402-001

Preface

This manual describes the Lexmark X73 Scan/Print/Copy (4402-

001)and contains maintenance procedures for service personnel only. It is divided into the following chapters:

1.General Information contains a general description of the printer and the maintenance approach used to repair it. Special tools and test equipment are listed in this chapter, as well as general environmental and safety instructions.

2.Diagnostic Information contains an error indicator table, symptom tables, and service checks used to isolate failing field replaceable units (FRUs).

3.Diagnostic Aids contains tests and checks used to locate or repeat symptoms of scanner/printer/copier problems.

4.Repair Information provides instructions for making printer adjustments and removing and installing FRUs.

5.Connector Locations uses illustrations to identify the connector locations and test points on the printer.

6.Preventive Maintenance contains the lubrication specifications and recommendations to prevent problems.

7.Parts Catalog contains illustrations and part numbers for individual FRUs.

xService 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 AbbreviationsPower-On Self Test Post Sequence Diagnostic InformationStart 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 ServiceCarrier Transport Service Check Service ChecksEngine. Go to the Print Engine Removal on Removal on Assembly Print Engine Removal onTo the Maintenance Station Removal on Cover Sensor Removal on page 4-6. IfGear Train Assembly Service CCD Module Assembly Service CheckRemoval on page 4-12 for more 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 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 Diagnostic Aids Test4402-001 Repair Information Handling ESD-Sensitive PartsRemoval Procedures AdjustmentsReleasing Plastic Latches Scanner Lid Assembly Removal Rear Cover RemovalOperator Panel Removal Top Housing Assembly RemovalPaper Support 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