1. Remove the waste toner bottle. (Waste Toner Bottle)
  2. Remove the PCDU. (PCDU)
  3. Remove the controller box. (Controller Box)
  4. Remove the duct [A].

    • Remove the Development Bearing Cooling Fan along with the duct (for MP 4055 SP/MP 5055 SP/MP 6055 SP only).

  5. Remove the connectors.
  6. Remove the motor unit [A].
  7. Remove the recycling shutter bracket [A]. (×4)

    • Spread paper on the floor to catch possible toner spills.

  8. Remove the bracket [A] (×4).
  9. Remove the two pulleys [A] [B] and the belt [C]. (×1)
  10. Remove the bracket [A]. (×2, ×1, bearing × 1)

    • Place a sheet of paper underneath the bracket, and then put the bracket on the sheet. Otherwise, the grease applied to the gear in the bracket may adhere to the floor.

  11. Remove the recycling shutter unit [A]. (×3, Gear × 1)

    • Place a sheet of paper underneath the recycling shutter unit, and then put the recycling shutter unit on the sheet. Otherwise, the grease applied to the gear in the unit may adhere to the floor.