Maintenance Box Detection Sensor Assy (WF-C579R Series)

  1. Remove the four screws, then remove the Rear Cover (Back) (A).
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
    Assembly / 組み立て

    Attach the two dowels of the Rear Cover (Back) (A) to the positioning holes on the Housing Left (B) and Housing Right (C).
  2. Remove the two screws, then remove the Rear Top Cover (A).
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
  3. Open the ADF/SCN Unit (A).
  4. Remove the three screws that secure the Housing Left (A).
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
  5. Lift the Housing Left (A) to release the two hooks on the front side of the Housing Left.
  6. Disengage two hooks on the rear side of the Housing Left (A), and remove the Housing Left (A).


    Assembly / 組み立て

    Insert the eight tabs on the Housing Left (A) to the positioning holes of the Housing Upper (B) and the RIPS Unit (C).
  7. Disengage the hook, and remove the Maintenance Box Cover (A).
  8. Open the ADF/SCN Unit (A).
  9. Remove the four screws that secure the Housing Right (A).
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
  10. Lift the Housing Right to release the two hooks on the front side of the Housing Right, then remove the Housing Right.


    Assembly / 組み立て

    Insert the four tabs of the Housing Right (A) to the positioning holes on the Ink Supply Unit.
  11. Remove the six screws, then remove the Housing Upper (A).
    • : C.B.P-TITE-SCREW-3x10-F/ZN-3C
  12. Disconnect the SCN PS cable (CN799) and the SCN USB cable (CN100) from the Main Board.


    Check Point / チェックポイント

    When disconnecting the SCN PS cable from the connector (CN799) (A), make sure to unlock the connector lock (B) beforehand.
  13. Remove the terminal of grounding cable (A) from the frame of the Main Board.


    Assembly / 組み立て
    • Route the SCN USB cable (A) through the three hooks and the clamp (B) as shown above.
    • Make sure to secure the SCN PS cable (A) and the grounding cable (B) with the Polyester film (C).
  14. Open the ADF/SCN Unit (A).


  15. Remove the two screws and remove the ADF/SCN Unit (A) in the direction of the arrow.


    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
    Assembly / 組み立て
    • Before screwing the ADF/SCN Unit, make sure the hinges are properly attached in place.
    • If the ADF/SCN Unit is opened when the hinges are NOT secured, the unit may be damaged.
  16. Remove the screws that secure the Wasted Ink Duct Holder (A).

    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
  17. Disengage the hook, and slide the Wasted Ink Duct Holder (A) to rear.
  18. Remove the two screws that secure the Maintenance Box Detection Sensor Holder (A).
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
  19. Disconnect the FFC (C) of the Maintenance Box Detection Sensor (B) from the connector (A) on the Main Board.
  20. Release the FFC (C) from four hooks (B) on the Paper Feed Sensor Unit (A).
  21. Peel off the two double-sided tapes, and remove the FFC (B) from the Main Frame Assy (A) and maintenance box slot.
  22. Remove the Maintenance Box Detection Sensor Assy (A) from the maintenance box slot.


    Assembly / 組み立て

    Route in such a way that the FFC (C) terminal (contact surface) is at the side of the Paper Feed Sensor Unit (D) from the gap (B) of the Maintenance Box Upper Cover (A).