Ricoh Pro 8300S - Sc753-79; Sc753-80

1.SC Codes
500
Solution
 Reconnect the connector.
 Replace the book registration sensor.
 Replace the cutter control board.
 Replace the sensor harness.
 Clear the signature jam.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC753-79
Error Name
Perfect Binder: Signature exit sensor lag error
Pattern
B
Error Condition
When the power was turned on, the cover path was closed and the signature exit sensor detected
paper present, but the LE detect sensor had detected no paper present.
Major Cause
 Signature exit sensor defective
 Signature jam occurred in the cover transport unit when the power was turned on.
 Connector loose, broken, defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the signature exit sensor.
 Replace the leading edge sensor.
 Replace the slave control board.
 Replace the sensor harness.
 Clear the signature jam.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC753-80
Error Name
Perfect Binder: Entrance path sensor late error