Ricoh Pro 8300S - Page 229

1.SC Codes
221
 720-21: D
 720-23: B
 720-24: B
 720-25: D
 720-27: B
 720-31: B
 720-32: B
 720-33: 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. (An 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/Unit
 720-20:
Junction gate motor (shift tray 1/shift tray 2) <STM02>
Junction gate HP sensor (shift tray 1/shift tray 2) <SN04>
 720-21:
Junction gate motor (shift tray 2/staple tray) <STM03>
Junction gate HP sensor (shift tray 2/staple tray) <SN05>
 720-23:
Pre-stack release motor <STM01>
Pre-stack release HP sensor <SN03>
 720-24:
Exit guide motor <STM21>
Exit guide HP sensor <SN40>
 720-25:
Punch motor <DCM05>
Punch HP sensor 1/2 <SN71/SN72>