Xerox Phaser 840, Руководство по обслуживанию

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Troubleshooting 3 - 73
Troubleshooting
The troubleshooting section discusses Repair Analysis Procedures (RAPs) for the Phaser
840/850/860 printers. This section is broken into the following groups:
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Network Event Logs
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Electrical Interface Problems
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Media and Paper Path Problems
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Printing and Print Image Quality Problems
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Windows Printing problems
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Macintosh Printing problems
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Cap/Wipe/Purge Troubleshooting: Evaluating and troubleshooting the
printhead cap/wipe/purge system can be found on page 106.
Electrical Interface Problems (RAP) Table
Media and Paper Path Problems (RAP) Table
Table 3-1 Electrical Interface RAP Table
Problem on Page
System Power-Up Sequence page 76
Inoperative Printer: No Lights, No Sound on power-up page 80
Verifying Main Board CPU Operation page 80
Verifying Print Engine operation by its startup page page 81
Verifying Power Supply and Measuring Voltages page 81
Inspecting the power supply fuses page 82
Testing for shorted drivers page 83
Testing for a shorted motor page 84
Testing motor and solenoid resistances page 84
Table 3-2 Media and Paper Path RAP Table
Problem on Page
Media-Based Problems page 85
Paper Pick Errors page 85
Print Transfer Jams page 86
Checking the Process Motor and Drive Train page 86
Media skews passing through the Paper Path page 87