Ricoh Pro 8300S - Perfect Binder: Lower Tray Low Position Lag Error; Perfect Binder: Upper Tray Feed Position Late Error; Sc752-78; Sc752-79

1.SC Codes
449
Solution
 Reconnect the connector.
 Replace the upper tray lift motor.
 Replace the upper tray low limit sensor.
 Replace the inserter control board.
 Replace the motor harness.
 Replace the sensor harness.
SC752-78
Error Name
Perfect Binder: Upper Tray Feed Position Late Error
Pattern
D
Error Condition
The upper tray did not arrive at the PICK sensor after the upper tray lift motor had operated for 5 sec.
Major Cause
 Upper tray lift motor defective
 Upper tray PICK sensor defective
 Connector loose, damaged,or defective
Solution
 Reconnect the connector.
 Replace the upper tray lift motor.
 Replace the upper tray PICK sensor.
 Replace the interposer control board.
 Replace the motor harness.
 Replace the sensor harness.
SC752-79
Error Name
Perfect Binder: Lower Tray Low Position Lag Error
Pattern
D