Lexmark 4402-001 manual Diagnostic Aids, Test

Page 33

4402-001

3. Diagnostic Aids

Test Page

This test prints the test page.

To run a complete test page of black and color patterns, be sure the printhead cartridges are in good condition.

To enter the test:

1.Open the access cover.

2.Install a known good black print cartridge in the right side of the carrier and a good color print cartridge in the left side.

3.Close the access cover.

4.Install paper in the sheet feeder.

5.Press and hold the paper feed button while pressing the power button and releasing it.

6.Paper feeds into the printer.

7.The test page prints.

The test page consists of three color bars, nozzle purge pattern, black purge pattern, black nozzle purge pattern and heater checks.

Note: To stop test page, press the power button again.

The test page prints three color bars, nozzle purge pattern, black purge pattern, black nozzle purge pattern and heater checks. The purge pattern is used to clear all printhead nozzles. The nozzle test pattern prints all nozzles on a diagonal line. There should be no breaks in the nozzle test pattern. A break in the pattern indicates one or more nozzles are not working.

If a print quality problem exists, see “Print Quality Service Check” on page 2-15.

Diagnostic Aids 3-1

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Contents 4402-001 4402-001 Table of Contents Assembly 3 Electronics Index Consignes de Sécurité Safety InformationSicherheitshinweise Norme di sicurezzaInformaçõ es de Seguranç a Pautas de SeguridadInformació de Seguretat 4402-001 Preface General Information Power ConsumptionScanner Specifications Operator Panel Press this When you want to ButtonAbbreviations Maintenance ApproachDiagnostic Information Power-On Self Test Post SequenceStart Post Symptom Table Symptom Tables Go to the Gear Train Assembly Go to the CCD Module AssemblySystem Board Removal on Go to the Scan/Copy QualityGo to the Paper Path Service Go to the Paper Feed ServiceGo to the Power Service Check Go to the Print Quality ServiceService Checks Carrier Transport Service CheckEngine. Go to the Print Engine Removal on To the Maintenance Station Removal on Assembly Print Engine Removal onRemoval on Cover Sensor Removal on page 4-6. IfCCD Module Assembly Service Check Gear Train Assembly ServiceRemoval on page 4-12 for more Assembly Removal on Gear Train Assembly Service CheckBelt/Idler Pulley Assembly Print Engine Removal onStation Removal on Maintenance Station Service CheckRun the Power-On Self Test Post Sequence Paper Feed Service CheckEngine Removal on page 4-11 and replace Paper Path Service Check Power Service Check Print Quality Service Check Maintenance Station Removal onGo to the System Board Removal on Carrier transport area. Check the following Scan/Copy Quality Service Check 4402-001 Test Diagnostic Aids4402-001 Handling ESD-Sensitive Parts Repair InformationAdjustments Removal ProceduresReleasing Plastic Latches Rear Cover Removal Scanner Lid Assembly RemovalTop Housing Assembly Removal Operator Panel RemovalPaper Support Removal CCD Module Assembly Removal Access Cover Sensor Removal Gear Train Assembly RemovalRight Cover Removal Access Cover RemovalLeft Cover Removal Middle Frame Removal 4402-001 Print Engine Removal System Board Removal ASF Module RemovalEncoder Strip Removal Carrier RemovalBelt/Idler Pulley Assembly Print Engine Removal Maintenance Station RemovalUnits Description Connector Locations4402-001 Lubrication Specifications Preventive Maintenance4402-001 Parts Catalog How to Use This Parts CatalogAssembly 1 Covers Asm Part Units Description Index Number Assembly 1 CoversAssembly 1 cont. Covers Assembly 1 cont. Covers Assembly 2 Paper Feed, Frame and Carrier Transport Assembly 2 Paper Feed, Frame and Carrier Transport Assembly 3 Electronics Assembly 3 Electronics 4402-001 Index Part Numbers