Lexmark 1020 manual Carrier Transport Motor Removal, Drive Train Assembly Removal

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4078-00X

Carrier Transport Motor Removal

1.Remove the front cover.

2.Remove the rear cover.

3.Disconnect the carrier transport motor connector from the system board.

4.Remove the belt from the carrier transport motor pulley.

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

6.See “Print Quality Notice” on page 2-15 .

Drive Train Assembly Removal

1.Remove the front cover.

2.Remove the rear cover.

3.Remove the sheet feeder.

4.Remove the base assembly.

5.Remove the system board.

6.Remove the printhead carrier assembly.

7.Remove the small feed roll assemblies.

8.Remove the small feed roll bracket assembly.

9.Remove the mid frame assembly.

10.Remove the maintenance station assembly.

11.Remove the large feed roll.

12.Remove the three screws securing the drive train to the carrier frame.

13.Push the drive train to the right and remove it from the carrier frame.

4-5

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Contents 4078-00X 4078-00X Contents Connector Locations Safety Information PrefaceNorme di sicurezza SicherheitshinweiseConsignes de Sécurité Informações de Segurança Pautas de SeguridadSikkerhedsoplysninger Chinese Safety Information Korean Safety Information General Information Power ConsumptionMaintenance Approach Unique Tools Required For Service AbbreviationsDiagnostic Information StartError Indicator Table Power-On Self Test Post SequencePost Symptom Table Symptom ActionSymptom Tables Carrier Transport Problems4078-00X Paper Feed Problems Service Checks Carrier Transport Service CheckEnvelope Feed Service Check Perform the EOF and Home Position SensorsMaintenance Station Service Check Paper Feed Service Check Also check for loose or worn motor gear Paper Path Service Check Home Position Sensors Test on page 3-2, toParallel Port Service Check Power Service CheckPrint Quality Service Check FRU / Function ActionMaintenance Station Service Check on Print Quality Notice Diagnostic Aids EOF and Home Position Sensors Test Initialize Error Log Parallel Port Test Print Nvram Contents Reset Nvram to Emea Defaults Reset Nvram to USA Defaults Test Repair Information Handling ESD-Sensitive PartsReleasing Plastic Latches AdjustmentsRemoval Procedures Carrier Belt Removal Access Cover RemovalBase Assembly Removal Carrier Frame Assembly Removal Carrier Home Sensor RemovalDrive Train Assembly Removal Carrier Transport Motor RemovalFront Cover Removal Gutter Pad RemovalLarge Feed Roll Removal Maintenance Station Assembly RemovalMaintenance Wiper and Cap Removal Paper Feed Motor Removal Mid Frame Assembly RemovalPower Supply Removal Printhead Carrier Assembly Removal Rear Cover Removal Small Feed Roll Assembly Removal Sheet Feeder RemovalSmall Feed Roll Bracket Assembly Removal System Board Removal Connector Locations System Board Connectors Connector Connector Names Preventive Maintenance Lubrication SpecificationsHow To Use This Parts Catalog Parts CatalogAssembly 1 Covers Asm Part Units Description Index Number Assembly 2 Paper Feed / Carrier Transport / Maintenance See Print Quality Notice on Assembly 3 Electronics 11A5455 System Board with ROM Assembly 3 Electronics 4078-00X Assembly 4 Carrier 4078-00X Assembly 5 Sheet Feeder 4078-00X Index PostEmea USA