Ricoh Pro 8320 - Perfect Binder: Main Grip Motor (F) Rotation Error; Sc752-66

1.SC Codes
442
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
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.
SC752-66
Error Name
Perfect Binder: Main Grip Motor (F) Rotation Error
Pattern
D
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
 Connector or harness loose, damaged, or defective
Solution
 Reconnect the connector.
 Replace the MG motor (F).
 Replace the MG encoder sensor (F).
 Replace the slave control board.
 Replace the motor harness.
 Replace the sensor harness.