Ricoh Pro 8300S - Sc754-41

1.SC Codes
528
Error Condition
When the stacking tray was lifted, the stack overflow sensor did not go OFF, even though the either (or
both) the paper detect sensor (front) or the paper detect sensor (rear) were on while the stacking tray
empty sensor was OFF.
Major Cause
 Tray empty sensor defective
 Paper detect sensors (front, rear, or both) defective
 Stack overflow sensor defective
 Harness connector loose, damaged, or defective
 Master control board defective
Solution
 Reconnect the connector.
 Replace the tray empty sensor.
 Replace the paper detect sensor (front).
 Replace the paper detect sensor (rear).
 Replace the stack overflow sensor.
 Replace the master control board.
 Replace the sensor harness.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC754-41
Error Name
Perfect Binder: Stack Tray HP Sensor Late Error
Pattern
B
Error Condition
When the tray moved to the home position, the HP sensor did not go ON after enough time for 70 mm
of movement had elapsed.
Major Cause
 Stack tray HP sensor defective
 Stacking tray lift motor defective
 Harness connector loose, damaged, or defective
 Master control board defective