Lexmark 4076-0XX manual Carrier Transport Belt Removal, Carrier Guide Removal

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4076-0XX

Carrier Transport Belt Removal

1.Remove the top cover.

2.Move the carrier in line with the opening in the carrier transport motor frame.

3.Reach through the opening and pull the belt from the carrier.

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

5.Remove the belt from the idler pulley and pull it through the opening in the left side frame.

Note: When you reinstall the belt be sure to insert the bottom of the belt into BOTH the lower and upper belt grips on the carrier.

DO NOT INSERT THE TOP OF THE BELT INTO THE TOP GRIP.

Carrier Guide Removal

You may remove the carrier guide without removing the covers if you carefully follow this procedure.

1.Open and remove the access cover.

2.Remove the print cartridge.

3.With the carrier centered, carefully release the 2 carrier guide rod latches and lift the shaft slightly.

4.Unlatch the 2 carrier guide latches by pushing to the rear.

5.Gently push the carrier to the extreme right and remove the car- rier guide.

When you reinstall the carrier guide, be sure the fingers on the bot- tom of the carrier engage the groove on the carrier guide before you snap the carrier guide rod down.

Carrier Transport Motor Removal

1.Remove the top cover.

2.Disconnect the carrier transport motor (J6) from the system board.

3.Remove the 2 motor mounting screws and remove the motor.

Repair Information 35

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Contents 4076-0XX •Table of Contents •Start Diagnostics•Safety and Notices •Trademarks •Index •Manuals MenuAll Rights Reserved 4076-0XXSecond Edition May, Copyright Lexmark International, Inc. 1994,Contents Repair Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4076-0XX How To Use This Parts CatalogFederal Communications Commission FCC Statement Notices and Safety InformationElectronic Emission Notices The United Kingdom Telecommunications Act Industry Canada Compliance StatementAvis de conformité aux normes d’Industrie Canada viii Safety InformationJapanese VCCI Notice Norme di sicurezza SicherheitshinweiseConsignes de Sécurité Informació de Seguretat Pautas de SeguridadInformações de Segurança Chinese Safety Information Korean Safety Information • • • • Power ConsumptionGeneral Information Options Maintenance Approach• • • Abbreviations Unique Tools Required For Service1.Run the “Test Page” on page Diagnostic InformationStart Action Error Indicator TableError Alternating Light PatternService Check” on page Go to the “Maintenance StationPower-on-self-testPost Sequence Symptom POST Symptom TableMaintenance Station Problems Symptom TablesCarrier Transport Problems Communications ProblemPrint Quality Problems 4076-0XX Paper Feed ProblemsPower Problems 4076-0XX SIMM Problem Service ChecksEnvelope Feed Service Check First Print Line Service CheckMaintenance Station Service Check Operator Panel Service Check • • • • • Paper Feed Service CheckPaper Feed Motor ACTION Paper Path Service Check Run the “Serial Adapter Test” on Parallel Port Service Checkcan print. Run the “Parallel Port Test” Power Service Check Perform the “Purge Test” on page Print Quality Service CheckAlignment Adjustment” on page “Maintenance Station Service Check”FRUU or PROCEDURE Simm Service CheckTransport Service Check Perform the “Encoder Sensor Test” on the “Maintenance Station ServicePrint Fonts Test Diagnostic AidsDemo Test Print Nvram Purge TestPaper Sensor Test Test PageHex Print Encoder Sensor TestInitialize Nvram Parallel Port TestSerial Adapter Test Handling Esd-sensitiveParts Repair InformationBi-directionalAlignment Adjustment AdjustmentsReleasing Plastic Latches Removal ProceduresASF Envelope Buckler And Pick Roller Hub Removal Auto Sheet Feed ASF Assembly RemovalCarrier Removal ASF Right And Left Edge Guide Assemblies RemovalASF Paper Load Lever Removal Carrier Transport Motor Removal Carrier Transport Belt RemovalCarrier Guide Removal Encoder Strip Removal Carrier Transport Motor Frame RemovalEprom Removal Exit Roller Assembly RemovalFeed Arm Assembly Removal End-of-formsFlag RemovalInside Idler Gears Removal Large Feed Roller Assembly RemovalLeft Side Frame Removal Operator Panel Removal Maintenance Drive And Rocker Assemblies RemovalMiddle Frame Removal Paper Guide Removal Outside Idler Gears RemovalPaper Ejectors Removal Paper Feed Motor RemovalPaper Release Lever Removal Power Supply RemovalPrint Head Cable Removal Right Side Frame Removal Star Roller Removal Small Feed Roller Assembly RemovalRubber Backer Removal System Board Removal Top Cover Removal Connector Names Connector LocationsSystem Board Connectors ConnectorCode Module Maintenance MotorFLASH/RAM SIMM Option • • • • • • • Preventive MaintenanceLubrication Specifications Parts Catalog How To Use This Parts Catalog4076-0XX Assembly 1: Covers 9 7 4 8 2 6 Description Asm.Part Units4076-0XX Assembly 2: Frames 7 2 3 4 5 1 6 Units 4076-0XX Assembly 3: Paper Feed 1 3 2 4 5 6 7 8 9 Units 4076-0XX Assembly 3: Paper Feed Cont Units 1 8 11 6 7 4076-0XX Assembly 4: Electronics 5 4 4 3 2 10 9Units 10 9 4076-0XX Assembly 4: Electronics Cont 5 4 4 3 2Units 10 11 4076-0XX Assembly 4 Electronics Cont 12 13 12 9Units 4076-0XX Assembly 5: Carrier Unit 2 6 3 4076-0XX Assembly 6: Carrier TransportUnits 1 14 9 4076-0XX Assembly 7: Auto Sheet Feed 6 310 13 12 2 5 8 4 7Units 4076-0XX Assembly 8: Maintenance Station 3 1 2 4 Units 4076-0XX Assembly 9: Options 1 Units Index Unique Tools