1. Insert the tab [A] and post [B] into the slot and hole of the frame at the rear of the fusing unit.
  2. Raise the front end of the cleaning unit and set the hole over the boss.
  3. If the boss and screw hole do not align properly, make sure that the tab and post on the other end of the cleaning unit are inserted correctly. You may have to press in slightly on the right end of the unit to align the hole.
  4. Fasten the front end of the cleaning unit (x).