Oki C9600 Service Manual page 193

2-3 Paper feed Jam
• Immediately after turning ON the power, does a paper feed jam occur?
• YES
• NO
• YES
• YES
• YES
• NO Immediately after intaking the paper, does a paper feed jam occur?
• YES
• NO
• YES
• NO Does a paper feed jam occur when loading the paper?
• YES
• YES
•YES
• NO END
42930511TH Rev. 2
Does the paper jam occur at the IN 2 Sensor, WR Sensor or Exit Sensor?
YES Remove the jammed paper.
(A)
Does the lever of the IN 2 Sensor, WR Sensor or Exit Sensor work properly?
NO Replace the defective sensor lever.
Does the sensor (IN 2 Sensor, WR Sensor or Exit Sensor) work properly?
(Check the sensor output using the switch scan test in the self-diagnosis
mode.)
NO After checking the cable connection, replace the Sensor PCB (S2S
PWB).
Check the signal cable connection. (FSNS, DRV0 & DRV1 on the S2M PWB
and DRV0, DRV1 & RSNS on the S2V PWB)
Are they connected properly?
NO Properly connect cable.
Replace the engine PCB.
Did the paper reach the WR sensor?
YES Go to (A).
Is the resist motor operating?
• NO Is the resist motor resistance the rated value at approx. 7.9Ω?
NO Replace the resist motor.
• YES Check the gear bite, then replace the engine PCB.
Replace resist roller A or B.
Is the belt motor running?
• NO Is the resistance of the belt motor the rated level (4.7Ω)?
NO Replace the Belt Motor.
• YES After checking the gear engagement and cable connection, replace
the Motor Driver PCB (S2M PWB).
Is ID rotating?
NO After checking the gear engagement, replace the ID.
After checking the gear engagement, replace the Belt Cassette Assy.
Oki Data CONFIDENTIAL
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