Service manual

Service Call Conditions
M052/M053/M054 6-18 SM
793 D Gathering roller error: Internal finisher
Gathering roller HP sensor does not detect the gathering roller at
initialization.
Gathering roller HP sensor does not detect the gathering roller when the
gathering roller returns to its home position from the paper stack position.
 Paper jam message is displayed at 1st error detection.
 SC is issued at 2nd error detection.
 Motor overload
 Loose connection of the exit guide plate motor
 Defective exit guide plate motor
 Defective gathering roller HP sensor
Check the connections to the exit guide plate motor.
Replace the exit guide plate motor.
Replace the gathering roller HP sensor.
794 B
Finisher exit guide plate motor error
 Motor overload
 Loose connection of the exit guide plate motor
 Defective exit guide plate motor
Check the connections to the exit guide plate motor.
Replace the exit guide plate motor.
795 B
Finisher shift roller motor error
 Motor overload
 Loose connection of the shift roller motor
 Defective shift roller motor
Check the connections to the shift roller motor.
Replace the shift roller motor.