Lexmark 4090-001 manual Front Cover Removal, Gutter Pad Removal

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4090-001

Front Cover Removal

1.Place a screwdriver in slot [A] and release the cover latches.

2.Slide the cover forward and off the printer.

To reassemble:

1.Slide the cover over the matching pieces on the bottom cover.

2.Press in both sides opposite the cover latches until they latch.

Gutter Pad Removal

1.Remove the front cover.

2.Remove the rear cover.

3.Remove the base assembly.

4.Scrape the old gutter pad off the base.

4-8

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Contents 4090-001 4090-001 Contents Connector Locations Preventive Maintenance Safety Information PrefaceConsignes de Sécurité SicherheitshinweiseNorme di sicurezza Sikkerhedsoplysninger Pautas de SeguridadInformações de Segurança Chinese Safety Information Korean Safety Information Resolution and Print Speed Power ConsumptionMaintenance Approach General InformationUnique Tools Required For Service AbbreviationsDiagnostic Information StartError Indicator Table Power-On Self Test Post SequencePost Symptom Table Symptom ActionSymptom Tables Carrier Transport Problems4090-001 Paper Feed Problems Envelope Feed Service Check Service ChecksFirst Print Line Service Check Maintenance Station Service Check Paper Feed Service Check Perform the ’Paper Path Service Check’ on Paper Path Service Check Parallel Port Service Check Power Service CheckPrint Quality Service Check Do not lubricate the carrier guide rod or Transport Service Check Perform the ’Encoder Sensor Test’ on page 3-2. IfDiagnostic Aids Encoder Sensor Test Initialize Error Log Paper Sensor Test Parallel Port Test Print Nvram Contents Test Repair Information Handling ESD-Sensitive PartsRemoval Procedures AdjustmentsReleasing Plastic Latches Base Assembly Removal Carrier Belt RemovalCarrier Frame Assembly Removal Carrier Transport Motor Removal Code Module Removal Edge Guide Asm and Paper Load Shaft RemovalEncoder Card Removal Encoder Strip RemovalExit Drive Belt Removal Feed Arm Assembly RemovalExit Roller Removal Front Cover Removal Gutter Pad RemovalInside Idler Gears Removal Large Feed Roll Removal Large Outside Gear Removal Left Side Frame Assembly Removal Maintenance Station Assembly Removal Maintenance Wipers and Caps RemovalMid Frame Assembly Removal Manual Insert Tray RemovalPaper Guide and EOF Flag Assembly Removal Paper Feed Motor Removal4090-001 Paper Load Door Removal Power Supply RemovalPick Roll Hub, Shaft and Envelope Bucklers Removal Printhead Cable, Cradle & Paper Deflector Removal 4090-001 Printhead Carrier Assembly Removal Printhead Rubber Backer RemovalRight Side Frame Assembly Removal Rear Cover RemovalStar Roller Removal Small Feed Roll Shaft, Rollers & Paper Flap RemovalSystem Board Removal Connector Locations System Board Connectors Encoder Card Connector Connector Connector NamesPreventive Maintenance Lubrication SpecificationsParts Catalog How To Use This Parts Catalog Assembly 1 Covers Asm Part Units Description Index Number Assembly 2 Frames 4090-001 Assembly 3 Paper Feed 4090-001 Assembly 4 Electronics 70G2695 System Board, W/O Code Module Assembly 4 Electronics 4090-001 Assembly 5 Carrier 4090-001 Assembly 6 Carrier Transport 4090-001 Assembly 7 Sheet Feeder 4090-001 Assembly 8 Maintenance Station 4090-001 Index Post4090-001