Rear-Edge Tapping Unit

  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 3 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. Release the FFC clamp (A).
  12. Release the cable from 5 clamps.
  13. Remove 1screw, rotate the cover open sensor (A) toward the product to remove the dowel, and lift it upwards to remove it.

    • : 3x8D
  14. Remove the extension spring (A).
  15. Remove the 3 screws fixing the Main Board Assy (A).

    • : 3x8D
  16. Unhook the cable guide (B) from the hole in the Main Board Assy (A) and remove the Main Board Assy (A).
  17. Release the lift motor (A) cable from the clamp.
  18. Remove the cable (A) from the relay connector.
  19. Remove 3 screws and remove the Lift Motor Assy (A).
    • : 3x8D
    Caution / 注意

    If the Lift Motor Assy (A) is removed, the tray sheet metal (B) may come loose and fall.

    When removing the Lift Motor Assy (A), support the tray sheet metal (B) and be careful not to drop it.
  20. Remove the cable (B) from the Stapler Carriage HP Sensor (A) connector.
  21. Lift the left cable guide (A) upward while releasing the dowel by pushing it from the back side of the frame, and remove the left cable guide (A) from the frame.
  22. Mark the cables and connectors (A) that connect to the 2 motors.


    Note / 補足

    Check cable and connector markings during assembly as cables may be mis-inserted.
  23. Disconnect the cables (A) connecting the three motors and release them from the left cable guide (B).
  24. Release the cable from 2 clamps.
  25. Remove the two holders from the right cable guide (A) using a flat-tipped tool such as a flathead screwdriver to release all cables routed to the right cable guide (A).


  26. Remove the right cable guide (A) by releasing the dowel from the back side using flathead screwdriver.
  27. Remove 4 screws and remove the Motor Assy (A).

    • : 3x8D
    Assembly / 組み立て

    Avoid Cam (A) and IN FIN Alignment Paddle HP Sensor (B) from colliding.
  28. Remove 2 screws of the Housing Rear (A).
    • : 3x8DC
  29. Open the upper side of the Housing Rear (A) and lift it diagonally upward to remove it.


    Assembly / 組み立て

    Install the Housing Rear by hooking the inner hook to the frame (A).
  30. Remove the E-ring (A).
  31. Remove 2 screws, then remove the Gear Assy (A).

    • : 3x8D
  32. Remove the E-ring (A).
  33. Spread the lever (A) in the direction of the arrow to release the interference with the Sector Gear (B), and remove it.


    Assembly / 組み立て

    Hang the tab of the Sector Gear (A) on the Rear Pulling Unit (B) and attach it.
  34. Slightly lift the front side of the upper housing (A) to remove the hook, and slide the upper housing (A) to the front until the hook hits the cable guide (B).

  35. Remove the top of the housing (A) by lifting it diagonally.

    Assembly / 組み立て

    Attach the two hooks on the housing upper (A) through the holes.
  36. Release the cable (B) of the Upper Unit (A) from the clamp.
  37. Remove 2 screws of the Upper Unit (A).

    • : 3x8D
  38. Remove 1 screw of the Upper Unit (A).

    • : 3x8D
  39. While spreading the front and rear frames outward, remove the four dowels on the Upper Unit (A).


    Assembly / 組み立て

    Insert dowels one by one while widening the frame using a flathead screwdriver.

    Be careful not to get your hands caught.
  40. Pull out the Upper Unit (A) from the tab and remove it.
  41. Remove the extension spring (A).
  42. Remove the E-ring (A) on the front side and remove the bearing (B).
  43. Remove the bearing (A) on the rear side.
  44. Slide the Rear-Edge Tapping Unit (A) to the contact position on the rear frame.
  45. Rotate the Rear-Edge Tapping Unit (A) in the direction of the arrow, release the plate part (B) into the fan-shaped hole (C), remove the front shaft from the hole in the frame, and remove the Rear-Edge Tapping Unit (A).