Ricoh Pro 8300S - Sc753-67; Sc753-68

1.SC Codes
493
SC753-67
Error Name
Perfect Binder: Book registration sensor adjustment high value error
Pattern
B
Error Condition
When the book registration sensor was adjusted, the sensor A/D input was less than 2.58 V, even after
the sensor D/A output was more than 3.3V.
Major Cause
 Book registration sensor connector loose, broken, defective
 Cutter control board disconnected, defective
Solution
 Reconnect the connector.
 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.
SC753-68
Error Name
Perfect Binder: Timing sensor adjustment low value error
Pattern
B
Error Condition
The timing sensor A/D input value was higher than 3.0 to 3.5V, the A/D input value did not enter the
range 3.0 to 3.5V, even after timing sensor D/A output value was lower than 0.1V.
Major Cause
 Timing sensor connector loose, broken, defective
 Sensor defective
 Master control board disconnected, defective
Solution
 Reconnect the connector.