Rear Bottom Fan Fail - Xerox Phaser 7500 Service Manual

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Error Messages and Codes

Rear Bottom Fan Fail

Applicable Chain-Link Code
Initial Actions
3-124
The Rear Bottom Fan error was detected.
042-343: Rear Bottom Fan Fail
Rotate the Fan manually to check for binding.
Power cycle the printer.
If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts
Rear Bottom Fan Assy, PL4.3.8
MCU PWB, PL18.3.6
Troubleshooting Procedure
Step
Actions and Questions
1
Check the Fault History.
Has error 041-330 MCU PWB F7
Blown occurred?
Is F7 on the MCU PWB open?
Note:
The condition that caused
F7 to open must be corrected
before replacing the MCU PWB.
2
Perform the Rear Bottom Fan
Motor test in Diagnostics.
Is the Rear Bottom fan rotating?
3
Turn Off the power.
Reseat P/ J 234 and P 417.
Turn On the power.
Repeat the Rear Bottom Fan
Motor test in Diagnostics.
Is the Rear Bottom fan now
rotating?
4
Does the error appear now when
making a print?
Wiring and Plug/Jack Map References
Yes
Go to step 5.
Go to step 5.
Go to step 4.
Go to step 5.
Phaser 7500 Printer Service Manual
No
Go to step 2.
Go to step 3.
Go to step 5.
Troubleshooting
complete.

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