Lexmark 4036-304 manual Image does not appear, Large jitter

Page 29

4036-304

Image does not appear

	Cause	Relevant	Check	Action
	Cause	Unit	Check	Action
		Unit

	ADF cover	ADF cover	Visual check	Close the ADF
	open			cover.

	1394	None	Visual check	Connect the
	Communica-			connector.
	tion board-
	main control
	board
	connection
	failure

	Lamp Inverter	Lamp inverter	Visual check	Replace the
	failure			CCD optical
				unit.

	CCD board-	None	Visual check	Connect the
	main scanner			connector.
	board
	connection
	failure

	CCD board	CCD board	Visual check	Replace the
	fails			optical unit.

	Large jitter

	Cause	Relevant	Check	Action
	Cause	Unit	Check	Action
		Unit

	1394	None	Visual check	Connect the
	Communica-			connector.
	tion - main
	control board
	connection
	failure

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

	Motor failure	Carrier motor	Visual check	Replace the
				carrier motor.

Problem Solving 2-11

Image 29

Contents X4500 Scanner 4036-304 4036-304 Edition May Table of Contents Index Safety Information Safety InformationConsignes de Sécurité Norme di sicurezzaInformaçõ es de Seguranç a SicherheitshinweisePautas de Seguridad Informació de Seguretat 4036-304 Product Features Ease of Use Service GuidelinesOverview Product DescriptionDuplex Scanning through the Auto Document Feeder ADF Digital Copier and Full-function Fax MachineNetwork Scanning Scanner Product SpecificationsADF Flatbed Operation Theory of Operation System DescriptionMechanical Operation Auto Document Feeder Operation External View Scanner Mechanism Overview and LocationsInternal Components Abbreviations 4036-304 Error Codes MFD Controller Errors Problem SolvingMFD Error 31 No hard drive Error 51 Not enough Scanner Errors 4036-304 Power does not come on TroubleshootingCCD Pcba Scan module does not move to lock positionPcba Scan module does not move to the home positionReading is not performed Scan module does not move to the flatbed positionLarge jitter Image does not appearReading position deviation Image unclear Frequent paper jam, double feed or skew Strange Sound Generated flatbedStrange sound generated ADF 4036-304 Cleaning Cover and Glass MaintenanceTouch Screen ADF UnitRemovals Parts Replacement Maintenance ToolsCCD Board Screws ADF Snap-in Pad Module Removal and Mounting ADF Cover Removal Document 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 Flatbed CCD Optical Unit Removal Remove the upper housing. Go to Upper Housing Removal on4036-304 MFD Controller Cage Removal Carriage Motor Assembly RemovalCarriage Belt Pulley Assembly Removal 4036-304 4036-304 4036-304 Remove the component you want from within the MFD cage Main Control Board Removal 4036-304 Main Scanner Board Connector LocationsMFD Controller Cage Low Voltage Power SupplyParts 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 Part Numbers Index4036-304