Xerox Phaser 7400

Error Messages and Codes 3-99
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 Wiring and Plug/Jack References
■ IP Fan, PL1.1.74 ■ Print Engine Map 4 (page 10-7)
■ Print Engine Motor Driver Board (2/6) (page 10-32)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the IP Fan operation and airflow.
Does the fan operate correctly?
Replace the Engine
Control Board
(
page 8-112).
Go to Step 2.
2
Check for +5 V to the fan.
Disconnect P/J200 from the Image
Processor Board.
Is there +5 V at J200-1 <=> ground?
Replace the IP Fan
(
page 8-138).
Replace the Image
Processor Board
(
page 8-113).