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Lexmark 4200 Series manual System board removal

Models: 4200 Series

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4413-XXX

System board removal

1.Remove the top cover assembly. See “Top cover assembly removal” on page 4-5.

2.Unplug all connectors.

3.Remove four screws (A) securing the system board.

4.Remove the fire shield and disconnect connector CN12. Note: Routing of cables.

5.Pull the EOF flag (B) toward you and remove the system board.

Repair information 4-19

Image 57

Lexmark 4200 Series manual System board removal

Contents

Lexmark 4200 Series Japanese P/N 12G9335 Table of Contents Repair information Consignes de sécurité Safety informationSicherheitshinweise Norme di sicurezzaInformaçõ es de Seguranç a Pautas de SeguridadInformació de Seguretat 4413-XXX Definitions PrefaceGeneral information Specifications Print enginePrinthead ADF FacsimileScanner Power and sizeAbbreviations 4413-XXX Diagnostic information Power-On Self Test Post sequenceStart Post symptom table Symptom tables To the Scanner motor with gear Assembly service check onSystem board removal on Go to the System board removalGear assembly service check on Go to the CIS assembly serviceProblems on Go to the Paper path serviceCarrier transport service check Service checksGo to the Power service check Go to the Print quality serviceEngine. Go to the Print engine removal on Assembly with belt removal on page 4-18. IfCIS 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 Station removal on Maintenance station service checkPaper 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 CIS white roller assembly removal on Paper path service checkRemoval on Power service checkMaintenance station removal on Print quality service checkWith belt removal on Go to the System board removal onCarrier transport area. Check the following To the System board removal on Scan/copy quality service checkFax/telephone communication service check Drive feed roller assembly Diagnostic aidsTheory of mechanism Scanner mechanismDocument sensors Contact Image Sensor CIS4413-XXX Set up options 4413-XXX Handling ESD-sensitive parts Repair informationAdjustments Removal proceduresReleasing plastic latches Removals General precautions on 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 Remove print engine. See Print engine removal on Carrier assembly with belt removalSystem board removal Exit rollers removal Remove system board. See System board removal on Large feed roller assembly with gear removal4413-XXX Paper feed motor assembly with gears removal Handset and cradle removal Carrier transport motor removalSystem board Connector locations4413-XXX Lubrication specifications Preventive maintenance4413-XXX Parts catalog How to use this parts catalogAssembly 1 Main assembly Asm Part Units Description Index Number Assembly 1 Main assemblyAssembly 2 Base unit Assembly 2 Base unit Assembly 3 Engine Assembly 3 Engine 4413-XXX Repair information IndexPost Part Numbers