1. Remove the rear lower cover. (Rear Lower Cover)
  2. Remove the development bearing cooling fan. (Development Bearing Cooling Fan (MP 4055 SP/5055 SP/6055 SP Only))
  3. Remove the HVPS [A] along with the bracket.
  4. Remove the 1st paper feed tray lift motor [A].
  5. Remove the 2nd paper feed tray lift motor [A].