Description: ADF Transport Belt Motor Error
While the motor is operating, the encoder pulse signal is not received within the specified time and the transport belt motor does not turn properly.
Causes: • Transport belt motor defective • Poor connection between the transport motor and ADF main board • ADF main board defective
Code: SC704
Description: ADF Feed-out Motor Error
While the feed-out motor is operating, the encoder pulse signal is not receivedwithin the specified time, and the feed-out motor does not turn properly
Causes: • Feed-out motor defective • Poor connection between the feed-out motor and ADF main board • ADF main control board defective
Code: SC705
Description: ADF Original Table Lift Malfunction
One of the following conditions was detected. • The bottom plate position sensor does not activate when the bottom plate motor lifts the original table. • The bottom plate HP sensor does not activate when the bottom plate motor lowers the original table.
Causes: • Bottom plate position sensor defective • Bottom plate HP sensor defective • Bottom plate motor defective • ADF main control board defective
Code: SC720
Description: Finisher Lower Transport Motor Error
The encoder pulse signal of the lower transport motor (B478) or stapler transport motor (B468) does not change within the specified time, and the lower transport motor does not turn properly
Causes: • Lower transport motor/stapler transport motor defective • Poor connection between the lower transport motor (or stapler transport motor) and finisher main board • Finisher main control board defective • Motor overload
Code: SC722
Description: Finisher Jogger Motor Error
The jogger fences move out of the home position but the HP sensor output does not change within the specified number of pulses.
Causes: • Jogger HP sensor (B478)/ jogger fence HP sensor (B468) defective • Overload on the jogger mechanism • Jogger motor (B478)/jogger fence motor (B468) defective (not rotating) • Finisher main control board defective • Poor connection between the jogger motor and finisher main board
Code: SC724
Description: Finisher Staple Hammer Motor Error
Stapling does not finish within the specified time (450 ms) after the staple hammer motor turned on.
Causes: • Staple jam • Overload because number of sheets exceeds the limit • Staple hammer motor (B478)/stapler motor (B468) defective • Poor motor cable connection
Code: SC725
Description: Finisher Stack Feed-out Motor Error
The stack feed-out belt HP sensor does not activate within the specified time after the stack feed-out belt motor turned on.
Causes: • Stack feed-out HP sensor defective • Poor stack feed-out belt motor cable connection • Stack feed-out belt motor defective • Finisher main control board • Motor overload
Code: SC726
Description: Finisher Shift Motor Error (B478 only)
The shift tray half-turn sensor status does not change within 1 second after the shift motor turns on.
Causes: • Shift tray half-turn sensor defective • Poor shift tray half-turn sensor connection or defective harness • Shift motor defective • Finisher main control board defective • Motor overload