Detects that it is being driven at an irregularly slower speed than the specified value.
Encoder cable is damaged.
Motor cable is damaged.
Irregular load.
Encoder failure.
Motor failure.
Check points and solutions :
Check if there is some foreign material causing extra load on the driven roller release system. Check the connection between the Driven Roller. Release Motor and the Main Board Assy. Replace the Driven Roller Release Motor.