Oki C9500 - Path Jam

41956001TH Rev.6 115 /
Oki Data CONFIDENTIAL
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)
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• No Does the light sensor lever function properly?
No Replace the light sensor lever.
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• 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).
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• Yes Check the signal cable.
Is it connected properly?
No Connect the cable properly.
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• Yes Replace the engine board.
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• No Do path jams occur right after papers are absorbed?
• Yes Did the paper reach the light sensor?
Yes Proceed to (A).
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• No Is the resist motor rotating?
• No Is the main feed motor resistance within the regulated value (approx. 7.9Ω)?
No Replace the resist motor.
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• Yes Check the gear mesh status, then replace the engine board.
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• Yes Replace resist motor A or B.
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• 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. 7.9Ω)?
No Replace the belt motor.
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• Yes Check the gear mesh status, then replace the engine board.
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• Yes Check the gear mesh status, then replace the belt cassette assembly.
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• No End.