1. Remove the corner stapling unit. (Corner Stapling Unit)
  2. Remove the stapler bracket [A] ( x 3, x 1).
  3. Turn back the stapler bracket, and remove the paper exit gate motor bracket [A] ( x 1, x 1).
  4. Remove the stacking roller HP sensor bracket [A] ( x 1).
  5. Remove the stacking roller HP sensor [A] ( x 1).