Ricoh MP C6502SP Field Service Manual page 1222

5. Troubleshooting
SC No.
SC No.
SC722-20
SC722-21
SC722-22
SC722-23
1220
Level Error Name/Error Condition/Major Cause/Solution
Motor driver detected an open circuit or short-circuit.
(SC from the first time)
• Motor defective
• Connecter disconnected
• Check motor connection.
• Replace the motor.
• Replace the PCB.
Level Error Name/Error Condition/Major Cause/Solution
B Upper Tray Junction Gate Motor Error (D707)
B Stapler Junction Gate Motor Error (D707)
B Pre-stack Junction Gate Motor Error (D707)
B Pre-stack Paper Stopper Motor Error (D707)
• When moving to the home position, home position was not detected
within specified time (t0 ms). (The first time: jam display, the second
time: SC)
• When moving from the home position, home position was still
detected after specified time (t1 ms). (The first time: jam display, the
second time: SC)
• Motor defective
• Connecter disconnected
• Overload
• Home position sensor defective
• Check the connections of the motor and home position sensor.
• Replace the motor/home position sensor.
• Replace the PCB.