Ricoh Pro 8300S, Troubleshooting Manual, Page: 254 / 963

1.SC Codes
246
off and on, whether the motor rotates on its own, whether it is overloaded, and whether the drive is
transmitted.
Replace the motor or sensor.
4. Board defective
Replace the main board of Finisher SR5110/SR5120
* Before replacing the board, check if the SC occurs in the same way.
SC720-80 to 83, 85
Error Name
 720-80: Shift Tray 1 Shift Motor Error
 720-81: Shift Tray 1 Jogger Motor Error
 720-82: Shift Tray 1 Jogger Fence Retract Motor Error
 720-83: Shift Tray 1 Drag Roller Movement Motor Error
 720-85: Shift Tray 1 Press Lever Motor Error
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.)
 The motor driver detected an error. (The SC is issued as soon as it is detected once.)
Major Cause
 Power of downstream device is not turned on.
 Motor is defective
 Connector is not connected properly
 Harness is damaged
 There is overload.
 HP sensor is defective.
 Board is defective.
Corresponding Motor/Sensor
 720-80:
Shift tray 1 shift motor <STM22>
Shift tray 1 HP sensor (front) <SN43>
Shift tray 1 HP sensor (rear) <SN44>
 720-81: