Ricoh Pro 8300S - Sc721-70; Tray Lift Motor Error (Finisher Sr5090;Booklet Finisher SR5100)

1.SC Codes
265
Solution
1. Connector not connected properly
Check all the connectors are correctly connected. (controller board, booklet unit, relay).
Reconnect the connector if it is not connected correctly.
2. Harness damaged
Check if the harness between the controller board and the booklet unit is damaged or exposed.
Replace the harness if it is not in good condition.
3. Replace the booklet stapler unit.
4. Board defective
Check if there are any traces of short circuit on the controller board. if so, replace it.
SC721-70
Error Name
Tray Lift Motor Error (Finisher SR5090/Booklet Finisher SR5100)
Pattern
B
Error Condition
 DC motor control error is detected inside the software of the Finisher SR5090/Booklet Finisher
SR5100. (The first four times are reported as jams. An SC is issued when it is repeated five times.)
 When moving to the paper surface, the shift tray does not move the specified distance within the
specified time. (The first four times are reported as jams. An SC is issued when it is repeated five
times.)
 When moving away from the paper surface, the shift tray does not move the specified distance
even after the specified time. (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.
 HP sensor is defective.
Corresponding components:
 Tray Lift Motor [DCM9]
 Shift Tray Paper Height Sensor [S35]