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3.3 Trouble Shooting
3
Dryer fan (F760) turned ON/OFF on
“Processor I/O Check (0624)”?
Replace dryer fan.
Solved?
Is the harness between the dryer fan
(F760)and PDB9 on the PDB23 circuit
board poorly connected or broken?
Connect harness correctly,
repair or replace it.
Clean dryer air filter.
Open the dryer belt unit and make sure
there is no paper in abnormal position.
Replace the PDB23 circuit board.
Abnormal
Yes
Solved
Normal
No
Not solved
END
<Dryer fan>