Lexmark 4076-0XX ASF Right And Left Edge Guide Assemblies Removal, ASF Paper Load Lever Removal

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4076-0XX

ASF Right And Left Edge Guide Assemblies Removal

1.Remove the auto sheet feed.

2.Remove the manual insert tray by prying one of the side frames away from it.

3.Remove the inside C-clip from the pick roller shaft and pull the shaft out to the right.

4.Remove the pick roller and buckler assemblies.

5.Remove the paper load lever knob from the load lever.

6.Remove the auto sheet feed right side cover by prying up at the slots in the rear.

7.Remove the paper load lever and shaft by pulling them out from the right side of the ASF assembly. Be careful not to lose the small gear on the left end of the shaft. When you reinstall this shaft, it must be parallel with the ASF housing.

8.Pivot the guide assembly up and pry it off the back plate.

ASF Paper Load Lever Removal

1.Remove the auto sheet feed assembly.

2.Pull the paper load lever knob from the load lever.

3.Remove the auto sheet feed right side cover by prying up the slots in the rear.

4.Remove the paper load lever from the mounting stud.

Carrier Removal

1.Remove the top cover.

2.Remove the print cartridge.

3.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.

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

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

6.To unlock the carrier guide rod latches, rotate the rod top-to-rear. Gently push the carrier guide rod latches, at each end of the rod, to the rear and lift up the rod until the sensor on the carrier clears the encoder strip. Remove the carrier guide rod through the opening in the left side frame. Be careful not to damage the encoder strip.

7.Pull the ends of the print head cables into the machine, then remove the cables from the 4 retainers in the paper guide starting from the right.

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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 4076-0XXElectronic Emission Notices Notices and Safety InformationFederal Communications Commission FCC Statement Avis de conformité aux normes d’Industrie Canada Industry Canada Compliance StatementThe United Kingdom Telecommunications Act Japanese VCCI Notice Safety Informationviii Consignes de Sécurité SicherheitshinweiseNorme di sicurezza Informações de Segurança Pautas de SeguridadInformació de Seguretat Chinese Safety Information Korean Safety Information General Information Power Consumption• • • • • • • Maintenance ApproachOptions Unique Tools Required For Service AbbreviationsStart Diagnostic Information1.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 ProblemsPower Problems 4076-0XX Paper Feed 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 can print. Run the “Parallel Port Test” Parallel Port Service CheckRun 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 pageTransport Service Check Simm Service CheckFRUU or PROCEDURE the “Maintenance Station Service Perform the “Encoder Sensor Test” onDemo Test Diagnostic AidsPrint 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 Paper Load Lever Removal ASF Right And Left Edge Guide Assemblies RemovalCarrier Removal Carrier Guide Removal Carrier Transport Belt 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 Middle Frame Removal Maintenance Drive And Rocker Assemblies 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 Rubber Backer Removal Small Feed Roller Assembly RemovalStar Roller Removal System Board Removal Top Cover Removal Connector Connector LocationsSystem Board Connectors Connector NamesFLASH/RAM SIMM Option Maintenance MotorCode Module Lubrication Specifications Preventive Maintenance• • • • • • • 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