Ricoh Pro 8300S - Sc754-12

1.SC Codes
509
Major Cause
 Glue vat roller motor defective
 Glue vat roller rotation sensor connector defective
 Connector loose, damaged, or defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the vat roller motor.
 Replace the vat roller rotation 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.
SC754-12
Error Name
Perfect Binder: Glue Roller HP Sensor Late Error
Pattern
B
Error Condition
During glue supply, the glue roller HP sensor did not go ON, even though the glue roller motor was
operating for 1000 ms.
Major Cause
 Glue pellets jammed
 Glue supply motor defective
 Glue roller HP sensor defective
 Connector loose, damaged, or defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the glue supply motor.
 Replace the glue roller HP sensor.
 Replace the slave control board.
 Replace the motor harness.
 Replace the sensor harness.