Lexmark 4200 Series manual CIS Contact Image Sensor removal

Page 48

4413-XXX

CIS (Contact Image Sensor) removal

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

2.Disconnect the CIS cable from the system board.

3.Depress hinge (A) and lift to remove.

4. Remove CIS assembly.

Note: Check the glassy surface of the CIS for any stain or scratch. If stained, wipe off with ethyl alcohol. If it is heavily stained or scratched, replace it.

4-10Service Manual

Image 48

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 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 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 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 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