Description: Hand unit drive motor problem (auto stacker)--The hand unit fails to return to the home position during initialization. The hand table fails to return to the home position during initialization. The hand table fails to move to the standby position during operation. The hand unit fails to move to the standby position during operation. The hand unit fails to return to the home position for paper ejection.
Code: C863
Description: Stapler-sorter-stacker communication problem--An error occurs during serial communication between the stapler-sorter and the auto-stacker.
Code: C910
Description: RDH original feed motor problem--No pulse is generated by the pulse sensor for 800 ms or longer while the RDH original feed motor is rotating.
Code: C920
Description: RDH original conveying motor problem--No pulses are generated by the pulse sensor for 800 ms or longer while the RDH original conveying motor is rotating. No pulses are generated by the pulse sensor for 800 ms or longer while the RDH original conveying motor is rotating.
Code: C930
Description: RDH original eject motor problem--No pulse is generated by the pulse sensor for 800 ms or longer while the RDH original eject motor is rotating.
Code: C940
Description: RDH original transfer motor problem--If the original transfer plate home position switch fails to turn on during the 2.5 s when the original transfer motor reverses for 2.5 s, which is repeated twice. The home position switch does not turn on after this process.