Lexmark 4076-0XX manual Paper Release Lever Removal, Power Supply Removal

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Paper Release Lever Removal

4076-0XX

Paper Release Lever Removal

1.Remove the top cover.

2.Pull the paper release lever forward.

3.Place a screw driver into the slot [A] of the paper release lever. Push the screw driver down to release the latch, then remove the lever.

A

Power Supply Removal

1.Remove the top cover.

2.Disconnect the print head cables from the system board. You may have to open the print head cable connectors on the system board first, then disconnect the cables.

3.Disconnect connectors J4, J5, and J6 from the system board.

4.Remove the machine from the base. To do this, push the frame latches out as you lift the machine from the base. Set the machine aside.

5.Disconnect the power supply cable from the system board.

6.Remove the 4 power supply mounting screws and remove the power supply.

NOTE: The fuse on the power supply is for safety pur- poses only. If it blows, there is a bad component on the board. Do not replace the fuse. A new fuse will not correct the failure.

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Contents •Manuals Menu •Table of Contents •Start Diagnostics•Safety and Notices •Trademarks •Index 4076-0XXCopyright Lexmark International, Inc. 1994, 4076-0XXSecond Edition May, All Rights ReservedContents Repair Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . How To Use This Parts Catalog 4076-0XXNotices and Safety Information Electronic Emission NoticesFederal Communications Commission FCC Statement Industry Canada Compliance Statement Avis de conformité aux normes d’Industrie CanadaThe United Kingdom Telecommunications Act Safety Information Japanese VCCI Noticeviii Sicherheitshinweise Consignes de SécuritéNorme di sicurezza Pautas de Seguridad Informações de SegurançaInformació de Seguretat Chinese Safety Information Korean Safety Information Power Consumption General Information• • • • Maintenance Approach • • •Options Unique Tools Required For Service AbbreviationsDiagnostic Information Start1.Run the “Test Page” on page Alternating Light Pattern Error Indicator TableError ActionGo to the “Maintenance Station Service Check” on pagePower-on-self-testPost Sequence POST Symptom Table SymptomCommunications Problem Symptom TablesCarrier Transport Problems Maintenance Station Problems4076-0XX Paper Feed Problems Power ProblemsPrint Quality Problems First Print Line Service Check Service ChecksEnvelope Feed Service Check 4076-0XX SIMM ProblemMaintenance Station Service Check Operator Panel Service Check Paper Feed Service Check • • • • •Paper Feed Motor 4076-0XX Paper Path Service Check Parallel Port Service Check can print. Run the “Parallel Port Test”Run the “Serial Adapter Test” on Power Service Check Print Quality Service Check Perform the “Purge Test” on page“Maintenance Station Service Check” Alignment Adjustment” on pageSimm Service Check Transport Service CheckFRUU or PROCEDURE the “Maintenance Station Service Perform the “Encoder Sensor Test” onDiagnostic Aids Demo TestPrint Fonts Test Purge Test Print NvramTest Page Paper Sensor TestEncoder Sensor Test Hex PrintParallel Port Test Initialize NvramSerial Adapter Test Repair Information Handling Esd-sensitivePartsAdjustments Bi-directionalAlignment AdjustmentRemoval Procedures Releasing Plastic LatchesAuto Sheet Feed ASF Assembly Removal ASF Envelope Buckler And Pick Roller Hub RemovalASF Right And Left Edge Guide Assemblies Removal ASF Paper Load Lever RemovalCarrier Removal Carrier Transport Belt Removal Carrier Guide RemovalCarrier Transport Motor Removal Carrier Transport Motor Frame Removal Encoder Strip RemovalEnd-of-formsFlag Removal Exit Roller Assembly RemovalFeed Arm Assembly Removal Eprom RemovalLarge Feed Roller Assembly Removal Inside Idler Gears RemovalLeft Side Frame Removal Maintenance Drive And Rocker Assemblies Removal Middle Frame RemovalOperator Panel Removal Paper Feed Motor Removal Outside Idler Gears RemovalPaper Ejectors Removal Paper Guide RemovalPower Supply Removal Paper Release Lever RemovalPrint Head Cable Removal Right Side Frame Removal Small Feed Roller Assembly Removal Rubber Backer RemovalStar Roller Removal System Board Removal Top Cover Removal Connector Connector LocationsSystem Board Connectors Connector NamesMaintenance Motor FLASH/RAM SIMM OptionCode Module Preventive Maintenance Lubrication Specifications• • • • • • • How To Use This Parts Catalog Parts Catalog4076-0XX Assembly 1: Covers 9 7 4 8 2 6 Units Asm.Part Description4076-0XX Assembly 2: Frames 7 2 3 4 5 1 6 Part 4076-0XX Assembly 3: Paper Feed 1 3 2 4 5 6 7 8 9 Part 4076-0XX Assembly 3: Paper Feed Cont Part 4076-0XX Assembly 4: Electronics 5 4 4 3 2 10 9 1 8 11 6 7Part 4076-0XX Assembly 4: Electronics Cont 5 4 4 3 2 10 9Part 4076-0XX Assembly 4 Electronics Cont 12 13 12 9 10 11Part 4076-0XX Assembly 5: Carrier Unit 4076-0XX Assembly 6: Carrier Transport 2 6 3Part 8 4 7 4076-0XX Assembly 7: Auto Sheet Feed 6 310 13 12 2 5 1 14 9Part 4076-0XX Assembly 8: Maintenance Station 3 1 2 4 Part 4076-0XX Assembly 9: Options 1 Part Index Unique Tools