6
Fan Motor Error
•
Does the fan of the low-voltage power supply unit rotate after the printer is turned on?
•
Yes Does the error recur after the fan of the low-voltage power supply unit has been replaced?
•
Yes Replace the low-voltage power supply unit.
•
No
End
•
Yes
Does the engine board fan rotate after the printer is turned on?
•
No
Is +32V supplied to the FAN connector Pin 1 on the engine board (K73 PWB)?
•
No
Is +32V supplied to the POWER connector pins on the engine board (K73 PWB)?
+32V: Pin 7, 8, 9, 10
No
•
Yes Replace the engine board.
•
Yes Replace the fan of the engine board.
•
Yes
Does the fuser fan rotate after the printer is turned on?
•
No
Is +32V supplied to the JOBOFF connector Pin 5 on the engine board (K73 PWB)?
•
No
Is +32V supplied to the POWER connector pins on the engine board (K73 PWB)?
+32V: Pin 7, 8, 9, 10
No
•
Yes Replace the engine board.
•
Yes Replace the fuser fan.
•
Yes
End
41388601TH Rev.6
Check cable connection or replace the low-voltage power supply unit.
Check cable connection, or replace the low-voltage power supply unit.
Oki Data CONFIDENTIAL
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