Oki C9850

Oki Data CONFIDENTIAL
43627911TH Rev. 3
196 /
-2 Paper Supply Jam (Multipurpose Tray)
• Immediately after turning ON the power, does the paper jam occur?
• YES Is there a jam in the IN1 Sensor or 1st Hopping Sensor?
YES Remove the paper jam.
(A)
• NO Does the Sensor Lever (IN1 Sensor, Paper Hopping Sensor) operator
normally?
NO Replace the defective sensor lever.
• YES Does the Sensor (IN1 Sensor, Paper Hopping Sensor) operate normally?
(Check the sensor output using the switch scan test in the self-diagnosis
mode.)
NO Check the signal cable connection, then replace the Sensor PCB
(S2S PWB).
• YES After checking the signal cable connection, replace the Motor Driver PCB
(S2P).
• NO Immediately after intaking the paper, does a paper jam occur?
• YES Did the paper reach the IN2 sensor?
YES Go to (A).
• NO Replace the multipurpose tray Assy.
• NO Is the resist motor operating?
• NO Is 20V or more output to the DC0 connector pin of the Motor Driver PCB
(S2P)?
NO Replace the low voltage power unit.
• YES Check the cable connection, then replace the Motor Driver PCB (S2P).
• YES Check the cable connection, then replace the Motor Driver PCB (S2P).