Lexmark 4076-0XX manual Adjustments, Bi-directionalAlignment Adjustment

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Adjustments

4076-0XX

Be extra careful in working with ESD-sensitive parts when cold- weather heating is used because low humidity increases static electricity.

Adjustments

Bi-directional Alignment Adjustment

Perform this adjustment with the black print cartridge installed.

1.Turn off the printer.

2.Hold down the Install Print Cartridge button and the Line Feed Button, then turn on the printer. Release the buttons when all the lights go out.

3.A page loads and the bi-directional alignment pattern prints. The pattern consists of three lines of vertical bars. The bars are aligned when the adjustment is correct. The following sample requires the center vertical bars to be moved to the right.

4.The center bars can be coarse aligned or fine aligned. Coarse alignment moves the center bar 1/300” (.085mm). Fine align- ment moves the center bar 1/1200” (.021mm). To perform the coarse alignment, open the operator panel cover and use the top two buttons to move the center bar. Press the left button to move the bar to the left. Press the right button to move the bar to the right. Each time you press the button the three lines will print.

5.To fine align the bars, close the operator panel cover and use the two bottom buttons. Press the left button to move the center bar to the left. Press the right button to move the bar to the right.

Each time you press a button the three lines will print.

6.When the alignment is correct, press the Draft button to switch to the draft mode. Follow the same procedure as above to align the bars in the draft mode.

7.When you complete the adjustment and turn off the printer the settings will be saved in NVRAM.

Repair Information 31

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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 CatalogElectronic 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 Abbreviations Unique Tools Required For ServiceStart Diagnostic Information1.Run the “Test Page” on page 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 ProblemPower Problems 4076-0XX Paper Feed ProblemsPrint Quality 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 can print. Run the “Parallel Port Test” Parallel Port Service CheckRun the “Serial Adapter Test” on Power Service Check Perform the “Purge Test” on page Print Quality Service CheckAlignment Adjustment” on page “Maintenance Station Service Check”Transport Service Check Simm Service CheckFRUU or PROCEDURE Perform the “Encoder Sensor Test” on the “Maintenance Station ServiceDemo Test Diagnostic AidsPrint Fonts 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 RemovalASF Paper Load Lever Removal ASF Right And Left Edge Guide Assemblies RemovalCarrier Removal Carrier Guide Removal Carrier Transport Belt RemovalCarrier Transport Motor 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 Middle Frame Removal Maintenance Drive And Rocker Assemblies RemovalOperator Panel 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 Rubber Backer Removal Small Feed Roller Assembly RemovalStar Roller Removal System Board Removal Top Cover Removal Connector Names Connector LocationsSystem Board Connectors ConnectorFLASH/RAM SIMM Option Maintenance MotorCode Module Lubrication Specifications Preventive Maintenance• • • • • • • 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