SECTION FOUR:  FAILURE ANALYSIS
4.1 OVERVIEW ....................................................................................................................4-1
4.1.01 Introduction.......................................................................................................4-1
4.1.02 Printer Serial Number Identification................................................................. 4-3
4.1.03 Firmware Revision Identification .....................................................................4-3
Header........................................................................................................................ 4-3
4.2 REPORTING PROBLEMS............................................................................................. 4-4
4.2.01 General Information..........................................................................................4-4
4.2.02 Problem Lists ....................................................................................................4-4
4.2.03 Reporting Methods............................................................................................4-5
Okilink II.................................................................................................................... 4-5
Course Critique..........................................................................................................4-5
Fax Number ............................................................................................................... 4-5
Mailing Address......................................................................................................... 4-5
Information Provided.................................................................................................4-5
4.3 TROUBLESHOOTING UPDATES................................................................................4-6
4.3.01 General Information..........................................................................................4-6
4.3.02 Okilink II........................................................................................................... 4-6
4.3.03 Faxable Facts ....................................................................................................4-6
4.3.04 Technical Service Bulletins ..............................................................................4-6
4.4 TROUBLESHOOTING TIPS.......................................................................................... 4-7
4.4.01 Preliminary Checks...........................................................................................4-7
4.4.02 Problem Categories...........................................................................................4-8
ALARM Lamp Blinks (Fatal Errors).........................................................................4-8
Operational Errors......................................................................................................4-8
ALARM Lamp Lights (Paper End/Jam Conditions) ................................................. 4-8
4.4.03 START HERE Flowchart .................................................................................4-9
4.4.04 Tips for Preventing Image Problems .............................................................. 4-10
4.4.05 Common Problems..........................................................................................4-11
4.5 ABNORMAL OUTPUT................................................................................................4-14
4.5.01 Output Samples............................................................................................... 4-14
Light Print on the Entire Page............................................................................ 4-15
Uneven Print Density......................................................................................... 4-15
Smeared Print.....................................................................................................4-15
Inconsistent Line Feed.......................................................................................4-15
Drifting Margin..................................................................................................4-15
Left Margin Drifting Problem............................................................................ 4-17
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