Engine Logic Board Nvram Failure - Xerox Phaser 4500 Service Manual

Engine Logic Board NVRAM Failure

Phaser 4500/4510 Service Manual
Diagnostic Error Code
U6: NVM Fail
Troubleshooting Reference
Applicable Parts
HVPS/engine logic board
Troubleshooting Procedure
Steps Actions and Questions
Does the error occur when the power
1
is turned ON?
2 Turn the power OFF and ON again.
Does the error still occur?
Cycle the power OFF, then ON several
3
times.
Does the error still occur?
Replace the HVPS/engine logic board.
4
(page 8-73)
Does the error occur?
Error Messages and Codes
Wiring and Plug/Jack Map References
"P4500: 24 V Interlock, Rear Cover Switch,
Main Motor, Sub Fan, Exit Motor Assembly" on
page 10-21
"Print Engine Wiring Diagrams" on page 10-19
"Print Engine Plug/Jack Locator" on page 10-3
Yes
Go to step 4.
Go to step 4.
Go to step 4.
Go to "Electrical
Noise" on
page 4-37.
No
Go to step 2.
Go to step 3.
Problem solved.
Problem solved.
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