2-3 Path jam
•
Do path jams occur right after power ON?
•
Yes Is the jam at the entrance belt sensor?
Yes Remove the jammed paper.
(A)
•
No
Does the light sensor lever function properly?
No
Replace the light sensor lever.
•
Yes Does the belt sensor lever function properly?
(Operate the sensor lever and check the FSENS connector pin signal on the engine board
(K7N PWB).)
Pin 6: Entrance belt sensor
No
Check the cable connections, then replace the sensor board (R71 PWB).
•
Yes Check the signal cable.
Is it connected properly?
No
Connect the cable properly.
•
Yes Replace the engine board.
•
No
Do path jams occur right after papers are absorbed?
•
Yes Did the paper reach the light sensor?
Yes Proceed to (A).
•
No
Is the resist motor rotating?
•
No
Is the main feed motor resistance within the regulated value (approx. 7.9 )?
No
•
Yes Check the gear mesh status, then replace the engine board.
•
Yes Replace resist motor A or B.
•
No
Do path jams occur upon loading paper?
•
Yes Is the belt motor rotating?
•
No
Is the belt motor resistance within the regulated value (approx. 7.9 )?
No
•
Yes Check the gear mesh status, then replace the engine board.
•
Yes Check the gear mesh status, then replace the belt cassette assembly.
•
No
End.
41956001TH Rev.1
Replace the resist motor.
Replace the belt motor.
Oki Data CONFIDENTIAL
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