1. Remove the rear upper cover [A]. ( x 2)
  2. Open the front door and push the stapler [A] to the rear side of the finisher.
  3. At the rear side, remove the screw circled in the photo below from the stapler [A].
  4. Push the stapler to the front side of the finisher.
  5. Remove the inner upper cover [A]. ( x 2)
  6. Pull out the stapler unit [A].
  7. Remove the bracket [B] from the stapler [A]. ( x 1)
  8. Remove bracket [A]. ( x 1)
  9. Remove the stapler [A]. ( x 2)