Error Troubleshooting
Phaser 7100 Service Manual Xerox Internal Use Only2-238
Developer Fan (Process Fan 1) Failure
The Developer Fan (Process 1 Fan) is having rotation error.
Applicable Fault Code
• 042-335: Process Fan 1 Failure
Initial Actions
• Rotate the Fan manually to check for binding.
• Power cycle the printer.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
• MCU PWB, PL 12.1.15
• Developer Fan, PL 12.2.16
• Main Harness Assembly, PL 12.3.1
• Electrical on page 7-53
Troubleshooting Procedure
Step Actions and Questions Yes No
1. Check the Developer Fan operation.
Perform DC330 Component Control on
page 2-26 [042-002] to check the operation of
the Developer Fan.
Is the Belt Retract Motor operating properly?
Replace the MCU PWB
(REP 12.4 MCU PWB
on page 4-206).
Go to step 2.
2. Check the installation of the Developer Fan (REP
12.14 Developer Fan on page 4-223).
Manually rotate the Developer Fan.
Does the Fan rotate?
Reinstall the Developer
Fan.
Go to step 3.
3. Check the connection between the Developer
Fan and MCU PWB.
Are the connectors P/J465 and P/J4652B
connected securely?
Go to step 4. Connect the
connectors P/J465
and P/J4652B.
4. Check the conductivity between the Developer
Fan and MCU PWB.
Is the connection between P/J4652B <=> P/J465
conducting properly?
Replace the Developer
Fan (REP 12.14
Developer Fan on
page 4-223).
Replace the Main
Harness Assembly.
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