Lexmark 4200 Series manual Carrier transport area. Check the following

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4413-XXX

	FRU / Function	Action

6	Paper Feed	Ink smudging and smearing can be caused by
		paper problems or problems in the paper feed
		area.
		Check the following:
		• Correct type of paper is being used. Also check
			the paper for curl or wrinkles.
		•	Feed rollers for wear, dirt, or looseness.
		• Gears for wear or binds.
		•	Paper path for obstructions.

7	Carrier Transport	Blurred print and voids can be caused by problems
		in the carrier transport area. Check the following:
		•	Carrier transport belt for wear.
		•	Carrier guide rod for wear or dirt. If dirty, clean
			and lubricate.
		• Carrier to carrier frame engagement should be
			lubricated with grease P/N 99A0394.
		•	Idler pulley parts for wear, damage, or
			looseness.

8	Alignment	Uneven vertical lines can be adjusted by
		performing the printhead alignment adjustments in
		the maintenance mode. The user is directed, to
		perform the printhead alignment adjustments,
		when replacing a printhead cartridge.

2-16Service Manual

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Contents Lexmark 4200 Series Japanese P/N 12G9335 Table of Contents Repair information Safety information Consignes de sécuritéNorme di sicurezza SicherheitshinweisePautas de Seguridad Informaçõ es de Seguranç aInformació de Seguretat 4413-XXX Preface DefinitionsGeneral information Printhead SpecificationsPrint engine Facsimile ADFPower and size ScannerAbbreviations 4413-XXX Start Diagnostic informationPower-On Self Test Post sequence Post symptom table Symptom tables Assembly service check on To the Scanner motor with gearSystem board removal on Go to the System board removalGo to the CIS assembly service Gear assembly service check onProblems on Go to the Paper path serviceService checks Carrier transport service checkGo to the Power service check Go to the Print quality serviceAssembly with belt removal on page 4-18. If Engine. Go to the Print engine removal onImage Sensor removal on CIS assembly service checkTo the Maintenance station removal on Control panel problems on Scanner motor with gear assembly service checkGear assembly removal on Maintenance station service check Station removal onBoard Go to the System board removal on Paper feed service checkRun the Power-On Self Test Post sequence Feed motor assembly with gears removal on Paper path service check CIS white roller assembly removal onPower service check Removal onPrint quality service check Maintenance station removal onWith belt removal on Go to the System board removal onCarrier transport area. Check the following Scan/copy quality service check To the System board removal onFax/telephone communication service check Diagnostic aids Drive feed roller assemblyTheory of mechanism Scanner mechanismContact Image Sensor CIS Document sensors4413-XXX Set up options 4413-XXX Repair information Handling ESD-sensitive partsReleasing plastic latches AdjustmentsRemoval procedures General precautions on removals RemovalsCIS white roller assembly removal Top cover assembly removal Rollers drive feed roller assembly, exit shaft removal 4413-XXX 4413-XXX 4413-XXX CIS Contact Image Sensor removal Scanner motor with gear assembly removal 4413-XXX Control panel assembly removal 4413-XXX 4413-XXX Print engine removal Maintenance station removal Carrier assembly with belt removal Remove print engine. See Print engine removal onSystem board removal Exit rollers removal Large feed roller assembly with gear removal Remove system board. See System board removal on4413-XXX Paper feed motor assembly with gears removal Carrier transport motor removal Handset and cradle removalConnector locations System board4413-XXX Preventive maintenance Lubrication specifications4413-XXX How to use this parts catalog Parts catalogAssembly 1 Main assembly Assembly 1 Main assembly Asm Part Units Description Index NumberAssembly 2 Base unit Assembly 2 Base unit Assembly 3 Engine Assembly 3 Engine 4413-XXX Index Repair informationPart Numbers Post