Lexmark 4036-304 manual Reading position deviation

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4036-304

Reading position deviation

	Cause	Relevant	Check	Action
	Cause	Unit	Check	Action
		Unit

	Motor-main	None	Visual check	Connect the
	scanner			connector.
	PCBA
	connection
	failure

	Motor failure	Carrier motor	Visual check	Replace the
				carrier motor.

	Home	Flatbed CCD	Tester or	Replace the
	position	optical unit	visual check	flatbed CCD
	sensor board-	cable		optical unit
	main scanner			cable.
	PCBA cable
	failure

	Home	Flatbed CCD	Tester check	Replace the
	position	optical unit		flatbed CCD
	sensor board			optical unit.
	failure

2-12Service Manual

Image 30

Contents X4500 Scanner 4036-304 4036-304 Edition May Table of Contents Index Consignes de Sécurité Safety InformationSafety Information Norme di sicurezzaSicherheitshinweise Pautas de SeguridadInformaçõ es de Seguranç a Informació de Seguretat 4036-304 Overview Service GuidelinesProduct Features Ease of Use Product DescriptionDigital Copier and Full-function Fax Machine Network ScanningDuplex Scanning through the Auto Document Feeder ADF Product Specifications ScannerADF Theory of Operation System Description Mechanical OperationFlatbed Operation Auto Document Feeder Operation Scanner Mechanism Overview and Locations External ViewInternal Components Abbreviations 4036-304 Problem Solving Error Codes MFD Controller ErrorsMFD Error 31 No hard drive Error 51 Not enough Scanner Errors 4036-304 Troubleshooting Power does not come onScan module does not move to lock position CCD PcbaScan module does not move to the home position PcbaScan module does not move to the flatbed position Reading is not performedImage does not appear Large jitterReading position deviation Image unclear Strange Sound Generated flatbed Frequent paper jam, double feed or skewStrange sound generated ADF 4036-304 Touch Screen MaintenanceCleaning Cover and Glass ADF UnitMaintenance Tools Removals Parts ReplacementCCD Board Screws ADF Snap-in Pad Module Removal and Mounting Document Cover Removal ADF Cover RemovalADF Optical CCD Unit Removal ADF Unit Upper and Lower Unit Removal 4036-304 User Interface Removal 4036-304 4036-304 Upper Housing Removal 4036-304 Remove the upper housing. Go to Upper Housing Removal on Flatbed CCD Optical Unit Removal4036-304 Carriage Motor Assembly Removal Carriage Belt Pulley Assembly RemovalMFD Controller Cage Removal 4036-304 4036-304 4036-304 Remove the component you want from within the MFD cage Main Control Board Removal 4036-304 Connector Locations Main Scanner BoardLow Voltage Power Supply MFD Controller CageParts Catalog Assembly 1 Upper Scanner Asm Part Units Description Index Number Assembly 2 Lower Scanner Assembly 2 Lower Scanner Assembly 2 cont. Lower Scanner Assembly 2 cont. Lower Scanner 4036-304 Index Part Numbers4036-304