Ricoh MP C6502SP Field Service Manual page 1210

5. Troubleshooting
SC No.
SC720-16
SC No.
SC720-20
SC720-24
1208
Level Error Name/Error Condition/Major Cause/Solution
B Tray Exit Motor Error (2000/3000
Motor driver detected an error (DC motor control error).
(The first time: jam display, the second time: SC)
• Motor defective
• Connecter disconnected
• Overload
• Encoder defective
• Check motor connection.
• Replace the motor.
• Replace the PCB.
Level Error Name/Error Condition/Major Cause/Solution
B Lower Junction Gate Motor Error (2000/3000
B Paper Exit Gate Motor Error (2000/3000
• Motor driver detected an error (short-circuit or overheat). (SC from
the first time)
• 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)
• 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.