Lexmark 4200 Series manual Power service check, Removal on

Page 30

4413-XXX

Power service check

 

FRU

Action

 

 

 

1

Power Supply

Plug the machine into an outlet. Check for

 

 

approximately 30 V dc at CN4 pin 2. If voltage is

 

 

incorrect, replace the power supply.

 

 

 

2

Printhead Cables

Unplug the printer. Disconnect the printhead

 

Paper Feed Motor

cables and plug in the printer. Look for a symptom

 

Carrier Transport

change. Check the failing part for shorts and

 

Motor

replace as necessary.

 

Control Panel

Repeat this procedure for the carrier transport

 

 

 

 

motor, paper feed motor, and control panel.

 

 

 

3

System Board

If the symptom has not changed, replace the

 

 

system board. Go to the “System board

 

 

removal” on page 4-19.

 

 

 

2-14Service 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 Specifications Print enginePrinthead Facsimile ADFPower and size ScannerAbbreviations 4413-XXX Diagnostic information Power-On Self Test Post sequenceStart Post symptom table Symptom tables System board removal on Assembly service check onTo the Scanner motor with gear Go to the System board removalProblems on Go to the CIS assembly serviceGear assembly service check on Go to the Paper path serviceGo to the Power service check Service checksCarrier transport service check Go to the Print quality serviceAssembly with belt removal on page 4-18. If Engine. Go to the Print engine removal onCIS assembly service check To the Maintenance station removal onImage Sensor removal on Scanner motor with gear assembly service check Gear assembly removal onControl panel problems on Maintenance station service check Station removal onPaper feed service check Run the Power-On Self Test Post sequenceBoard Go to the System board removal on Feed motor assembly with gears removal on Paper path service check CIS white roller assembly removal onPower service check Removal onWith belt removal on Print quality service checkMaintenance station 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 Theory of mechanism Diagnostic aidsDrive feed roller assembly Scanner mechanismContact Image Sensor CIS Document sensors4413-XXX Set up options 4413-XXX Repair information Handling ESD-sensitive partsAdjustments Removal proceduresReleasing plastic latches 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
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