Ricoh Pro 8320 - Sc754-70; Sc754-71

1.SC Codes
548
SC754-70
Error Name
Perfect Binder: Main Grip Close Sensor (F) Lag Error
Pattern
B
Error Condition
At the start of the main grip open operation, the MG close sensor (F) did not go OFF, even after the MG
motor (F) had operated for 500 ms.
Major Cause
 MG motor (F) defective
 MG close sensor (F) defective
 Connector or harness loose, damaged, or defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the MG motor (F).
 Replace the MG close sensor (F).
 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.
SC754-71
Error Name
Perfect Binder: Main Grip Motor (F) Rotation Error
Pattern
B
Error Condition
At the start of the main grip open/close operation, the MG encoder sensor (F) was not detected on/off,
even after the MG motor (F) had operated for 200 ms.
Major Cause
 MG motor (F) defective
 MG encoder sensor (F) defective