Ricoh Pro 8300S - Perfect Binder: Cover Interposer Tray EEPROM Write Error; Perfect Binder: Drive Switch Motor Error (down to Up); Sc752-74; Sc752-75

1.SC Codes
447
SC752-74
Error Name
Perfect Binder: Cover Interposer Tray EEPROM Write Error
Pattern
D
Error Condition
When data was written to EEPROM, the write data and read data did not match.
Major Cause
 EEPROM defective
 EEPROM not installed, or not installed correctly
Solution
 Replace the EEPROM on the interposer control board.
 Replace the interposer control board.
SC752-75
Error Name
Perfect Binder: Drive Switch Motor Error (Down to Up)
Pattern
D
Error Condition
The rack where the drive gear is mounted did not retract from 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.