Ricoh Pro 8300S - Sc754-75

1.SC Codes
551
 Connector loose, damaged, or defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the signature path exit motor.
 Replace the signature path exit press 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.
SC754-75
Error Name
Perfect Binder: Signature Path Exit Press Sensor Late Error
Pattern
B
Error Condition
During signature output roller separation, the signature exit path press sensor did not go OFF, even
after the signature exit path motor was ON for 300 ms.
Major Cause
 Signature path exit motor defective
 Signature path exit press sensor defective
 Connector loose, damaged, or defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the signature path exit motor.
 Replace the signature path exit press 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.