Ricoh Pro 8300S - Perfect Binder: Drive Switch Motor Error (up to Down); Perfect Binder: Upper Tray Low Position Late Error; Sc752-76; Sc752-77

1.SC Codes
448
 Replace the sensor harness.
SC752-76
Error Name
Perfect Binder: Drive Switch Motor Error (Up to Down)
Pattern
D
Error Condition
The rack where the drive gear is mounted was late arriving at the drive switch sensor after the drive
switch motor operated for 3 sec
Major Cause
 Drive switch motor defective
 Drive switch sensor defective
 Connector loose, damaged, or defective
Solution
 Reconnect the connector.
 Replace the drive switch motor.
 Replace the drive switch sensor.
 Replace the inserter control board.
 Replace the motor harness.
 Replace the sensor harness.
SC752-77
Error Name
Perfect Binder: Upper Tray Low Position Late Error
Pattern
D
Error Condition
The upper tray did not leave the lower limit sensor after the upper tray lift motor had operated for 5 sec.
Major Cause
 Upper tray lift motor defective
 Upper tray low limit sensor defective
 Connector loose, damaged, or defective