Lexmark 4076-0XX manual Symptom Tables, Carrier Transport Problems, Communications Problem, Action

Page 21

4076-0XX

Symptom Tables

Locate your symptom in the following tables and take the appropri- ate action.

Carrier Transport Problems

SYMPTOM

ACTION

 

 

• No carrier movement

Go to the “Transport Service Check”

• Slow carrier movement

on page 22.

• Carrier stops

 

 

 

Communications Problem

 

 

 

SYMPTOM

ACTION

 

 

Printer not communicating with

Go to the “Parallel Port Service

host.

Check” on page 18.

 

 

Maintenance Station Problems

 

 

 

SYMPTOM

ACTION

 

 

• Maintenance station doesn’t

Go to the “Maintenance Station Ser-

move

vice Check” on page 12.

• Fails to cap fails to cap the print

 

head the print head

 

• Fails to clean the print head

 

 

 

Operator Panel Problems

 

 

 

SYMPTOM

ACTION

 

 

• Panel light(s) not working

Go to the “ Note: if the failure

• Panel button(s) not working

remains, replace the system board”

• Power Lights the only light that

on page 12.

comes on

 

• Panel cover closed, open func-

 

tions not working

 

 

 

Diagnostic Information 9

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Contents •Safety and Notices •Trademarks •Index •Table of Contents •Start Diagnostics•Manuals Menu 4076-0XXSecond Edition May, 4076-0XXCopyright Lexmark International, Inc. 1994, All Rights ReservedContents Repair Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4076-0XX How To Use This Parts CatalogNotices 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 Abbreviations Unique Tools Required For ServiceDiagnostic Information Start1.Run the “Test Page” on page Error Error Indicator TableAlternating Light Pattern ActionService Check” on page Go to the “Maintenance StationPower-on-self-testPost Sequence Symptom POST Symptom TableCarrier Transport Problems Symptom TablesCommunications Problem Maintenance Station Problems4076-0XX Paper Feed Problems Power ProblemsPrint Quality Problems Envelope Feed Service Check Service ChecksFirst Print Line Service Check 4076-0XX SIMM ProblemMaintenance Station Service Check Operator Panel Service Check • • • • • Paper Feed Service CheckPaper Feed Motor Feed Arm Assembly Paper Path Service Check Parallel Port Service Check can print. Run the “Parallel Port Test”Run 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”Simm Service Check Transport Service CheckFRUU or PROCEDURE Perform the “Encoder Sensor Test” on the “Maintenance Station ServiceDiagnostic Aids Demo TestPrint 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 Right And Left Edge Guide Assemblies Removal ASF Paper Load Lever RemovalCarrier Removal Carrier Transport Belt Removal Carrier Guide RemovalCarrier Transport Motor Removal Encoder Strip Removal Carrier Transport Motor Frame RemovalFeed Arm Assembly Removal Exit Roller Assembly RemovalEnd-of-formsFlag Removal Eprom RemovalInside Idler Gears Removal Large Feed Roller Assembly RemovalLeft Side Frame Removal Maintenance Drive And Rocker Assemblies Removal Middle Frame RemovalOperator Panel Removal Paper Ejectors Removal Outside Idler Gears RemovalPaper Feed Motor Removal Paper Guide RemovalPaper Release Lever Removal Power Supply RemovalPrint Head Cable Removal Right Side Frame Removal Small Feed Roller Assembly Removal Rubber Backer RemovalStar Roller Removal System Board Removal Top Cover Removal System Board Connectors Connector LocationsConnector Connector NamesMaintenance Motor FLASH/RAM SIMM OptionCode Module Preventive Maintenance Lubrication Specifications• • • • • • • Parts Catalog How To Use This Parts Catalog4076-0XX Assembly 1: Covers 9 7 4 8 2 6 Part Asm.Units Description4076-0XX Assembly 2: Frames 7 2 3 4 5 1 6 Asm. 4076-0XX Assembly 3: Paper Feed 1 3 2 4 5 6 7 8 9 Asm. 4076-0XX Assembly 3: Paper Feed Cont Asm. 1 8 11 6 7 4076-0XX Assembly 4: Electronics 5 4 4 3 2 10 9Asm. 10 9 4076-0XX Assembly 4: Electronics Cont 5 4 4 3 2Asm. 10 11 4076-0XX Assembly 4 Electronics Cont 12 13 12 9Asm. 4076-0XX Assembly 5: Carrier Unit 2 6 3 4076-0XX Assembly 6: Carrier TransportAsm. 10 13 12 2 5 4076-0XX Assembly 7: Auto Sheet Feed 6 38 4 7 1 14 9Asm. 4076-0XX Assembly 8: Maintenance Station 3 1 2 4 Asm. 4076-0XX Assembly 9: Options 1 Asm. Index Unique Tools
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