Ricoh Pro 8300S - Sc754-42; Sc754-43

1.SC Codes
529
Solution
 Reconnect the connector.
 Replace the stacking tray lift motor.
 Replace the stack tray HP sensor.
 Replace the master control board.
 Replace the motor harness.
 Replace the sensor harness.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC754-42
Error Name
Perfect Binder: Stack Tray HP Sensor Lag Error
Pattern
B
Error Condition
When the tray moved from the home position, the HP sensor did not go OFF after enough time for 10
mm of movement had elapsed.
Major Cause
 Stack tray HP sensor defective
 Stacking tray motor defective
 Harness connector loose, damaged, or defective
 Master control board defective
Solution
 Reconnect the connector.
 Replace the stacking tray motor.
 Replace the stack tray HP sensor.
 Replace the master control board.
 Replace the motor harness.
 Replace the sensor harness.
After the repairs, cancel the low performance mode, and then turn the power off/on.
SC754-43
Error Name
Perfect Binder: Stack Weight Move HP Sensor Late Error