Lexmark 4090-001 manual Carrier Transport Motor Removal

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4090-001

Note: During reassembly:

1.Be sure the small feed roll spring extensions [B] are in the groves of the small feed roll arms.

2.Be sure the short extensions of the two paper flap springs are trapped under the carrier frame [C].

Carrier Transport Motor Removal

1.Remove the front cover.

2.Disconnect the transport motor connector from the system board.

3.Remove the belt from the transport motor pulley.

4.Remove the two screws securing the transport motor to the carrier frame and remove the motor. Note the routing of the motor cable.

Repair Information 4-5

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Contents 4090-001 4090-001 Contents Connector Locations Preventive Maintenance Preface Safety InformationConsignes de Sécurité SicherheitshinweiseNorme di sicurezza Sikkerhedsoplysninger Pautas de SeguridadInformações de Segurança Chinese Safety Information Korean Safety Information Power Consumption Resolution and Print SpeedMaintenance Approach General InformationAbbreviations Unique Tools Required For ServiceStart Diagnostic InformationPower-On Self Test Post Sequence Error Indicator TableSymptom Action Post Symptom TableCarrier Transport Problems Symptom Tables4090-001 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 Power Service Check Parallel Port Service CheckPrint Quality Service Check Do not lubricate the carrier guide rod or Perform the ’Encoder Sensor Test’ on page 3-2. If Transport Service CheckDiagnostic Aids Encoder Sensor Test Initialize Error Log Paper Sensor Test Parallel Port Test Print Nvram Contents Test Handling ESD-Sensitive Parts Repair Information Removal Procedures Adjustments Releasing Plastic Latches Carrier Belt Removal Base Assembly RemovalCarrier Frame Assembly Removal Carrier Transport Motor Removal Edge Guide Asm and Paper Load Shaft Removal Code Module RemovalEncoder Card Removal Encoder Strip RemovalExit Drive Belt Removal Feed Arm Assembly RemovalExit Roller Removal Gutter Pad Removal Front Cover RemovalInside Idler Gears Removal Large Feed Roll Removal Large Outside Gear Removal Left Side Frame Assembly Removal Maintenance Wipers and Caps Removal Maintenance Station Assembly RemovalMid Frame Assembly Removal Manual Insert Tray RemovalPaper Feed Motor Removal Paper Guide and EOF Flag Assembly 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 Rubber Backer Removal Printhead Carrier Assembly RemovalRear Cover Removal Right Side Frame Assembly RemovalStar Roller Removal Small Feed Roll Shaft, Rollers & Paper Flap RemovalSystem Board Removal Connector Locations System Board Connectors Connector Connector Names Encoder Card ConnectorLubrication Specifications Preventive MaintenanceParts 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 Post Index4090-001