Sharp AR-250 Operation Manual page 126

FINISHER (AR-FN1N)
Roller rotating knob
7-18
Remove the misfed paper.
7
Remove the misfed paper from the paper transport area.
If the misfed paper is not seen in the paper transport area, turn
the roller rotating knob to feed the paper.
Close the paper transport area cover.
8
Push the finisher toward the copier and latch it in place.
9
Confirm that the misfeed display is cleared.