Ricoh Pro 8320 - Sc753-66

1.SC Codes
492
Error Condition
The leading edge detect sensor A/D input value was lower than 3.2 to 3.54V, and the A/D input value
did not go higher than 3.2 to 3.54V, even after cover registration sensor A/D output value output was
higher than 3.7V.
Major Cause
 LE detect sensor connector loose, broken, defective
 Sensor defective
 Slave control board disconnected, defective
Solution
 Reconnect the connector.
 Replace the LE detect sensor.
 Replace the slave control board.
 Replace the sensor harness.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC753-66
Error Name
Perfect Binder: Entrance path sensor adjustment high value error
Pattern
B
Error Condition
When the entrance path 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
 Entrance path sensor connector loose, broken, defective
 Sensor defective
 Cutter control board disconnected, defective
Solution
 Reconnect the connector.
 Replace the entrance path 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.