System Board Removal on | Lexmark 4402-001 specs

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

Image 18

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

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 Diagnostic Information Power-On Self Test Post SequenceStart 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 Service 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. If CCD 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 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 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 Test 4402-001 Repair Information Handling ESD-Sensitive Parts Adjustments Removal ProceduresReleasing Plastic Latches Scanner Lid Assembly Removal Rear Cover Removal Top Housing Assembly Removal Operator Panel RemovalPaper Support 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