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Oki Data CONFIDENTIAL
42049001TH Rev.1
82 /
6
Motor Fan Error
•
Does the low voltage power supply fan run after the printer is turned on?
•
NO
Is 24V being output to the POWER connector on the engine board (RSN PWB)? 24V: Pins
4, 5 and 6
NO
Replace the low voltage power unit after checking cable connection.
▼
•
YES Has the low voltage power unit fan replaced?
YES End.
▼
•
NO
Replace the low voltage power unit fan.
▼
•
YES
Does the fuser unit fan fan rotate after the printer is turned on again?
•
NO
Is 24V being output to the fuse 3 on the engine board (RSN PWB)?
•
NO
Is 24V being output to the POWER connector on the engine board (RSN PWB)?
24V: Pins 4, 5 and 6
NO
Replace the low voltage power unit after checking cable connection.
▼
•
YES Replace the engine board.
▼
•
YES Replace the high voltage power unit fan.
▼
•
YES
End.
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