Ricoh Pro 8300S - Sc754-51

1.SC Codes
535
 Harness connector loose, damaged, or defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the SG motor.
 Replace the SG open sensor.
 Replace the slave control board.
 Replace the motor harness.
 Replace the sensor harness.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC754-51
Error Name
Perfect Binder: Sub Grip Close Position Late Error
Pattern
B
Error Condition
At the start of the sub grip close operation, the SG close sensor did not go ON, even after the SG motor
had operated for 1500 ms.
Major Cause
 SG motor defective
 SG close sensor defective
 Harness connector loose, damaged, or defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the SG motor.
 Replace the SG close sensor.
 Replace the slave control board.
 Replace the motor harness.
 Replace the sensor harness.
After the repairs, cancel the low performance mode, and then turn the power off/on.