Ricoh Pro 8320 - Perfect Binder: Sub Grip HP Sensor Lag Error; Perfect Binder: Sub Grip Size HP Sensor Late Error; Sc752-27; Sc752-28

1.SC Codes
419
 Replace the motor harness.
 Replace the sensor harness.
SC752-27
Error Name
Perfect Binder: Sub Grip HP Sensor Lag Error
Pattern
D
Error Condition
During sub grip lowering, the sub grip lower HP sensor did not go OFF, even though the sub grip lift
motor had operated for 240 ms.
Major Cause
 Sub grip lift motor defective
 Sub grip lower HP sensor defective
 Harness connector loose, damaged, or defective
Solution
 Reconnect the connector.
 Replace the sub grip lift motor.
 Replace the sub grip upper HP sensor.
 Replace the slave control board.
 Replace the motor harness.
 Replace the sensor harness.
SC752-28
Error Name
Perfect Binder: Sub Grip Size HP Sensor Late Error
Pattern
D
Error Condition
 When the sub grip unit opened horizontally, the size move HP sensor did not go ON, even after the
size move motor had operated for 725 ms, or operated long enough for 108.75 mm of movement.
 After the sub grip unit moved to the horizontal release position, the sub grip size HP sensor was
already OFF.