Ricoh Pro 8320 - Perfect Binder: Signature Thickness Sensor Minimum Value Error; Sc751-45

1.SC Codes
380
Major Cause
 Paper remains in the main grip unit
 Main grip signature sensor loose, damaged, or defective
 Sensor defective
Solution
 Reconnect the connector.
 Replace the main grip signature sensor.
 Replace the slave control board.
 Replace the sensor harness.
 Clear the signature jam.
 Replace the signature exit roller motor.
 Replace the motor harness.
SC751-45
Error Name
Perfect Binder: Signature Thickness Sensor Minimum Value Error
Pattern
D
Error Condition
When the result of the signature thickness detection (A/D value) was adjusted, the minimum value (0
mm) was smaller than the A/D value of -30.
Major Cause
 Signature thickness sensor connector loose, damaged, or defective
 Sensor defective
Solution
 Reconnect the connector.
 Specify the signature thickness again.
 Replace the signature thickness sensor.
 Replace the master control board EEPROM
 Replace the slave control board.
 Replace the master control board.
 Replace the VR harness.