Scanner Home Failure - Xerox Phaser 6121MFP Service Manual

0650 Scanner Home Failure

Phaser 6121MFP Service Manual
Possible causes:
• A low motor lock signal is not detected even after the lapse of a
predetermined period of time after the Polygon Motor has been started.
• The motor lock signal remains HIGH for a predetermined consecutive period
of time while the Polygon Motor remains energized.
Initial Actions
Power down and reboot the printer.
Procedure
Troubleshooting Reference Table
Applicable Parts
Engine Control Board, PL13.0.20
Image Processor Board, PL2.0.4
Troubleshooting Procedure Table
Step Action and Questions
1 Check connector P/J2 on the Image
Processor Board.
Is the connector seated properly?
2 Replace the Scanner (page 8-31).
Does the problem persist?
3 Replace the Engine Control Board
(page 8-59).
Does the problem persist?
4 Replace the Power Supply (page 8-72).
Error Messages and Codes
Wiring and Plug/Jack References
Board Locations (page 2-10)
Yes No
Go to step 2. Reseat the
connector. If
the problem
persists, go to
step 2.
Go to step 3. Complete.
Go to step 4. Complete.
Complete.
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