Ricoh PRO C7210

1.SC Codes
179
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
 Motor driver detected an error. (SC from the first time)
 Overcurrent to the motor.
 Motor drive overheat
 Connector disconnected
 Replace the Main Board.
 Replace the Entrance JG Motor
 Replace the harness.
 Re-connect the connector.
 Replace the Entrance JG HP Sensor.
High Capacity Stacker
To recover from the error, check if the SC occurs (feed paper, open/close the doors, Input or Output
check). If the SC occurs again, do the follow steps. After each step, turn the power OFF then ON to
check if the SC occurs again.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC730-
01
D
Stacker 1 (Upstream): Downstream device communication
SC731-
01
D
Stacker 2 (Downstream): Downstream device communication
 Downstream device break continued even after 10 sec passes.
 Partner terminal does not break even 200 msec after the downstream device
starts to wait.
 ATN without break is received in advance from the downstream device.
 ST2 is received from the downstream device during receipt of ST1 frame, or
vice versa.
 When the response (ACKn) to the frame sent to the downstream device is not
notified within the time limit (100 msec), frame sending is retried a maximum
of 3 times but there is still no responses acquired.
 After connection with the downstream device, the downstream device breaks
again.
 Interface cable (downstream device side) connector disconnected or broken.
 Downstream device board defective, control board defective
 Replace the control board.
 Replace the downstream device board.
 Replace the interface cable.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC730-03
D
Stacker 1 (Upstream): top door power supply error