Ricoh MP C6502SP Field Service Manual page 1232

5. Troubleshooting
SC No.
SC722-75
SC No.
SC722-76
1230
Level Error Name/Error Condition/Major Cause/Solution
Stacking Roller Drug Motor Error (D707)
• When moving to the home position, home position was not detected
within specified number of pulses (p0 pulses). (The first time: jam
display, the second time: SC)
• When moving from the home position, home position was still
detected after specified number of pulses (p1 pulses). (The first time:
jam display, the second time: SC)
• Overload due to staple jam or number of sheets exceeding the limit,
B
etc.
• Motor defective
• Connecter disconnected
• Home position sensor defective
• Check the connections of the motor and home position sensor.
• Replace the motor/home position sensor.
• Replace the PCB.
Level Error Name/Error Condition/Major Cause/Solution
Stacking Roller Motor Error (D707)
Motor driver detected an open circuit or short-circuit. (SC from the first
time)
• Motor defective
B
• Connecter disconnected
• Check motor connection.
• Replace the motor.
• Replace the PCB.