Ricoh Pro 8300S - Sc753-76; Sc753-77

1.SC Codes
498
 Replace the book registration sensor.
 Replace the cutter control board.
 Replace the sensor harness.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC753-76
Error Name
Perfect Binder: LE detect sensor late error
Pattern
B
Error Condition
The stack was late for gluing to the cover because there was no stack transport end sensor from the
slave control board and there was no signal that the LE detect sensor had signaled to arrival of the
stack.
Major Cause
 LE detect sensor connector loose, broken, defective
 Sensor defective
Solution
 Reconnect the connector.
 Replace the signature exit roller motor.
 Replace the LE detect sensor.
 Replace the slave control board.
 Replace the cutter control board.
 Replace the motor harness.
 Replace the sensor harness.
 Replace the harness.
 Clear the signature jam.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC753-77
Error Name
Perfect Binder: Trim unit entrance sensor late error
Pattern
B