Main Board

Check Point / チェックポイント
  • Be sure to update the firmware after replacement.

  1. Refer to the following and remove the inner finisher from the printer.
    Inner Finisher Installation Procedure
    Caution / 注意
    • When disconnecting the Inner Finisher Unit from the Main Unit, the power of the Main Unit must be turned off.
  2. Remove the two screws and remove the tray assembly (A).

    • : 4x8DC/BK/P
  3. Open the cartridge cover (A) and remove the Staple Cartridge (B).
  4. Remove 1 screw of the Housing Front (A).
    • : 3x8DC
  5. Open the cartridge cover (A) and remove the screw securing the Housing Front.
    • : 3x8DC
  6. Lift the Housing Front  (A) to unhook.
  7. Open the right side of the Housing Front  (A) and slide it to the left to remove the interference with the rail (B) and remove the Housing Front (A).


    Check Point / チェックポイント

    Be careful the Housing Front (A) can easily get caught by extension spring on the inside.
    Assembly / 組み立て

    Install the Housing Front (A) with the cartridge cover (B) opening. The protrusion inside the cartridge cover (B) may contact the cover open sensor (C) and damage it.
  8. Remove the three holders from the cable guide (A) by using flathead (-) screwdriver.
  9. Disconnect all cables and FFC from Main Board (A).
  10. Release all cables from the cable guide (A).
  11. Remove 2 screws, then remove the cable guide (A).

    • 3x8D
  12. Remove the 4 screws fixing the Main Board (A).

    • 3x8D
  13. Release the two hooks on the wire saddle and remove the Main Board (A).
  14. Transfer the ROM board to the new main board.


    important / 重要
    • Please note that if you forget to transplant the ROM board, the printer will not function properly.