Ricoh Pro 8300S - Sc753-71; Sc753-72

1.SC Codes
495
Major Cause
 Cover horizontal registration sensor (S) connector loose, broken, defective
 Sensor defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the cover horizontal registration sensor (S).
 Replace the slave control board.
 Replace the sensor harness.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC753-71
Error Name
Perfect Binder: Cover horizontal registration sensor (L) adjustment low value error
Pattern
B
Error Condition
The cover horizontal registration sensor (L) A/D input value was higher than 3.2 to 3.54V, and the A/D
input value did enter the range 3.2 to 3.54V, even sensor D/A output value output was lowered 0.04V.
Major Cause
 Cover horizontal registration sensor (L) connector loose, broken, defective
 Sensor defective
 Slave control board defective
Solution
 Reconnect the connector.
 Replace the cover horizontal registration sensor (L).
 Replace the slave control board.
 Replace the sensor harness.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC753-72
Error Name
Perfect Binder: Signature exit sensor adjustment low value error