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Diagnostic Information 2-1
4090-001
2. Diagnostic Information
Use the error indicator table, symptom tables, service checks, and
diagnostic aids to determine the failing part.
Start
Service error indications show as a series of flashes of the Power
light. There is a pause between each series of flashes. If your printer
has an error indication, locate the series of flashes in the ’Error
Indicator Table’ on page 2-2 and take the indicated action. Unplug
the printer to clear the error indicator.
If an error indicator appears, go to the error indicator table and take
the indicated action for that error.
The printer also logs the last occurring error. If you think it may have
an intermittent error, or the error indicator lights have been cleared,
you can retrieve the error:
1. Run the ’Print NVRAM Contents’ on page 3-6. The last error
appears at the bottom of the page.
2. Run ’Initialize Error Log’ on page 3-3 to clear the error (the error
may not be the result of a current error).
3. Run the ’Test Page’ on page 3-7. If no error appears, go to
’Power-On Self Test (POST) Sequence’ on page 2-2.