Ricoh Pro 8300S - Entrance Junction Gate Motor Error (Multi-Folding Unit); Sc725-74

1.SC Codes
283
 725-41: Crease Motor (M19)
 725-71: Horizontal Transport Motor (M3)
 725-72: Horizontal Exit Motor (M7)
 725-73: Top Tray Exit Motor (M4)
Solution
1. Turn the power off and on to check the SC occurs again.
2. Connector not connected properly
Check all the connectors between the corresponding motor and the controller board are completely
connected. (not disconnected or half-inserted)
If the connector is disconnected, reconnect the connector.
3. Harness damaged
Check if the harness between the motor and board is damaged or exposed.
If so, replace the harness.
4. Check the motor.
Check if the corresponding motor is overloaded by rotating it by hand.
If the motor is overloaded, replace the motor.
5. Check the control board of the multi-folding unit.
Check if there are any traces of short circuit on the controller board. If so, replace it.
SC725-74
Error Name
Entrance Junction Gate Motor Error (Multi-Folding Unit)
Pattern
D
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. (This SC is issued when the error was detected for the first
time).
Major Cause
 Power of downstream unit is not turned on.
 Overcurrent to the motor
 Motor driver overheat detected
 Connector disconnected