Error Messages and Codes 3-73
Fan Failure
One of the two fans has failed resulting in a fatal error.
Applicable Status Code:
Code 52: This is a generic fan error, generated by the Rear Fan or the Fuser Fan
circuit.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Rear Fan, PL1.1.19
■ Fuser Fan, PL5.3.31
■ Print Engine Map 1 - P/J Locator (page 10-5)
■ Print Engine Map 2 - P/J Locator (page 10-6)
■ Print Engine Drive Wiring (page 10-19)
■ Print Engine Power Wiring (page 10-17)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the fans for damage or debris:
■ Fuser Fan, PL1.1.19
■ Rear Fan, PL5.3.31
Is either fan damaged?
Replace the
defective fan.
Go to Step 3.
2
Replace the defective fan.
Does the error persist?
Go to Step 3 Complete
3
Test the fans.
Run the Service Diagnostics fan tests to
isolate the defective fan.
Did one of the fans fail?
Go to the
troubleshooting
procedure for the
specific fan.
If both fans pass,
replace the Engine
Control Board
(
page 8-104).
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