Ricoh Pro 8300S - Sc754-57

1.SC Codes
539
 Connector harness loose, damaged, or defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the MG lift motor.
 Replace the MG press sensor (S).
 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.
SC754-57
Error Name
Perfect Binder: Main Grip Press Sensor (L) Position Late Error
Pattern
B
Error Condition
When lowering cover in main grip to press position, MG press sensor (L) did not go ON, even though
the MG lift motor had operated for 6185 ms.
Major Cause
 MG lift motor defective
 MG press sensor (L) defective
 Connector harness loose, damaged, or defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the MG lift motor.
 Replace the MG press sensor (L).
 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.