Lexmark 4402-001 manual System Board Removal on, Go to the CCD Module Assembly

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4402-001

Printer Communication Table

Symptom	Action

• Not able to print Test Page	Check the USB cable and system
	board cable connections. If okay,
	replace system board. Go to the
	“System Board Removal” on
	page 4-12.

Scanner Problems

Symptom	Action

• CCD does not move	Go to the “CCD Module Assembly
• Lamp does not light	Service Check” on page 2-8.
	Go to the “Gear Train Assembly
	Service Check” on page 2-9.

• Scanned images are faded, or	Go to the “Scan/Copy Quality
colors are dull, blurry or fuzzy.	Service Check” on page 2-17.
Images are slanted or crooked
and the straight lines in the
image appear to be jagged or
uneven.
• Blank copies.

2-4Service 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 Abbreviations Diagnostic Information Power-On Self Test Post Sequence Start 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 ServiceService Checks Carrier Transport Service CheckEngine. 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. IfCCD Module Assembly Service Check Gear Train Assembly ServiceRemoval 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 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 Diagnostic Aids Test4402-001 Repair Information Handling ESD-Sensitive PartsAdjustments Removal ProceduresReleasing Plastic Latches Scanner Lid Assembly Removal Rear Cover RemovalTop Housing Assembly Removal Operator Panel 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