Pull out the optional buffer pass unit and open the guide plate.
Wipe the transfer roller with a damp cloth.
Clean the right (entrance side) upper guide plate.
Clean the right (entrance side) lower guide plate.
Clean the left (entrance side) upper guide plate.
Clean the left (entrance side) lower guide plate.
Wipe the guide plate with an alcohol dampened cloth.
Carefully wipe out the curbed folding part [A] and lacing part [B].