Ricoh Pro 8300S - Perfect Binder: Main Grip (R) Sensor Error; Sc752-61

1.SC Codes
439
Pattern
D
Error Condition
At the start of the main grip open operation, the MG encoder sensor (R) was not detected on/off, even
after the MG motor (R) had operated for 200 ms.
Major Cause
 Main grip motor (R) defective
 Main grip encoder sensor (R) defective
 Connector or harness loose, damaged, or defective
Solution
 Reconnect the connector.
 Replace the main grip motor (R).
 Replace the main grip encoder sensor (R).
 Replace the slave control board.
 Replace the motor harness.
 Replace the sensor harness.
SC752-61
Error Name
Perfect Binder: Main Grip (R) Sensor Error
Pattern
D
Error Condition
The MG open sensor (R) and MG close sensor (R) went ON at the same time.
Major Cause
 Main open sensor (R) defective
 Main grip close sensor (R) defective
 Connector or harness loose, damaged, or defective
Solution
 Reconnect the connector.
 Replace the MG open sensor (R).
 Replace the main grip encoder sensor (R).
 Replace the slave control board.