Ricoh Pro 8320 - SC720-20 to 33

1.SC Codes
220
 720-12: Horizontal transport motor <DCSM04>
 720-13: Registration motor <DCSM02>
 720-14: Shift tray 1 transport motor <DCSM21>
 720-15: Pre-stack motor <DCSM05>
 720-16: Shift tray 1 exit motor <DCSM20>
 720-17: Shift tray 2 exit motor<DCSM19>
 720-18: Stapler entrance motor <DCSM06>
Solution
1. Connector not connected properly
Check if the connectors between the main board of finisher SR5110/SR5120 and the motor are
connected correctly (whether they are disconnected or incorrectly connected).
Reconnect it if it is not connected correctly.
2. Damaged harness
Check if the harness between the main board of Finisher SR5110/SR5120 and the motor is
damaged or exposed.
Replace the harness if it is damaged.
3. Motor defective
Check if the motor is damaged or there are missing parts, whether the motor rotates on its own,
and whether it is overloaded.
Replace the motor.
4. Board defective
Replace the main board of Finisher SR5110/SR5120
* Before replacing the board, check if the SC occurs in the same way.
SC720-20 to 33
Error Name
 720-20: Junction Gate Motor 1 Error (Shift Tray 1 Junction Gate)
 720-21: Junction Gate Motor 2 Error (Staple Tray Junction Gate)
 720-23: Pre-Stack Release Motor Error (Pressure Release/Junction Gate Release)
 720-24: Exit Guide Motor Error
 720-25: Punch Motor Error
 720-27: Punch Movement motor error
 720-31: Jogger Motor 2 Error (Front)
 720-32: Jogger Motor 2 Error (Rear)
 720-33: Positioning Roller Motor Error
Pattern
 720-20: D