Maintenance Approach, Abbreviations | Lexmark 4402-001 guide

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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Lexmark 4402-001 manual Maintenance Approach, Abbreviations

Contents

4402-001 4402-001 Table of Contents Assembly 3 Electronics Index Safety Information Consignes de Sécurité Norme di sicurezza Sicherheitshinweise Pautas de Seguridad Informaçõ es de Seguranç a Informació de Seguretat 4402-001 Preface Power Consumption General Information Scanner Specifications Press this When you want to Button Operator Panel Maintenance Approach Abbreviations Start 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 Quality Go to the Power Service Check Go to the Paper Feed ServiceGo to the Paper Path Service Go to the Print Quality Service Engine. 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. If Removal 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 on Maintenance Station Service Check Station Removal on Paper Feed Service Check Run the Power-On Self Test Post Sequence Engine 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 Test 4402-001 Repair Information Handling ESD-Sensitive Parts Releasing Plastic Latches AdjustmentsRemoval Procedures Scanner Lid Assembly Removal Rear Cover Removal Paper Support Removal Top Housing Assembly RemovalOperator Panel Removal CCD Module Assembly Removal Gear Train Assembly Removal Access Cover Sensor Removal Access Cover Removal Right Cover Removal Left Cover Removal Middle Frame Removal 4402-001 Print Engine Removal ASF Module Removal System Board Removal Carrier Removal Encoder Strip Removal Maintenance Station Removal Belt/Idler Pulley Assembly Print Engine Removal Connector Locations Units Description 4402-001 Preventive Maintenance Lubrication Specifications 4402-001 How to Use This Parts Catalog Parts Catalog Assembly 1 Covers Assembly 1 Covers Asm Part Units Description Index Number Assembly 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