Ricoh Pro 8300S - Perfect Binder: Cover Interposer Tray Read Error; Sc752-73

1.SC Codes
446
Pattern
D
Error Condition
When signature exited at signature path exit roller, the leading edge sensor did not go ON, even after
the signature exit roller motor operated long enough to feed the book 45 mm.
Major Cause
 Signature exit roller motor defective
 Leading edge sensor defective
 Signature jam
Solution
 Reconnect the connector.
 Replace the signature exit roller motor.
 Replace the leading edge sensor.
 Replace the slave control board.
 Replace the motor harness.
 Replace the sensor harness.
 Clear the signature jam.
SC752-73
Error Name
Perfect Binder: Cover Interposer Tray Read Error
Pattern
D
Error Condition
At power on the data on the EEPROM returned a checksum error when the data were read.
Major Cause
 EEPROM defective
Solution
 Replace the EEPROM on the interposer control board.
 Replace the interposer control board.