Ricoh Pro 8300S - SC721-50 to 53

1.SC Codes
262
SC721-50 to 53
Error Name
 721-50: Booklet Jogger Motor Error (Finisher SR5090/Booklet Finisher SR5100)
 721-51: Booklet Jogging Pawl Movement Motor Error (Finisher SR5090/Booklet Finisher SR5100)
 721-52: Press Fold Motor Error (Finisher SR5090/Booklet Finisher SR5100)
 721-53: Booklet Bottom Fence Motor Error (Finisher SR5090/Booklet Finisher SR5100)
Pattern
B
Error Condition
 Home position is not detected within the specified time when moving to the home position. (The
first four times are reported as jams. An SC is issued when it is repeated five times.)
 Home position remains detected after a specified time after leaving the home position. (The first
four times are reported as jams. An SC is issued when it is repeated five times.)
Major Cause
 Power of downstream device is not turned on.
 Motor is defective
 Connector is not connected properly
 Short circuit
 Harness is damaged
 There is overload.
 Home position sensor defective
Corresponding components:
 721-50:
Booklet Jogger Motor [STM11]
Booklet Jogging HP Sensor [S10]
Controller Board
 721-51:
Booklet Jogging Pawl Movement Motor [STM8]
Booklet Jogging Pawl HP Sensor [S3]
Controller Board
 721-52:
Press Fold Motor [STM10]
Fold Plate HP Sensor [S1]
Fold Plate Cam HP Sensor [S9]
Controller Board
 721-53: