Controller Fan Failure - Xerox Phaser 7400 Service Manual

Controller Fan Failure

The Image Processor Board Fan has failed.
Applicable Status Code:
Code U8:
Controller Fan Failure
Initial Actions:
Cycle the printer's power.
If the problem persists follow the procedure below.
Troubleshooting Reference Table
Applicable Parts
IP Fan, PL1.1.74
Troubleshooting Procedure Table
Step Actions and Questions
1
Check the IP Fan operation and airflow.
Does the fan operate correctly?
2
Check for +5 V to the fan.
Disconnect P/J200 from the Image
Processor Board.
Is there +5 V at J200-1 <=> ground?
Error Messages and Codes
Wiring and Plug/Jack References
Print Engine Map 4 (page 10-7)
Print Engine Motor Driver Board (2/6) (page 10-32)
Yes
Replace the Engine
Control Board
(page 8-112).
Replace the IP Fan
(page 8-138).
No
Go to Step 2.
Replace the Image
Processor Board
(page 8-113).
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