# CR Scale Spring (WF-M5399 Series)

1. Remove the Rear Unit (A) in the direction of the arrow while pressing the buttons inward.
   
2. Open the ASF Cover (A) and remove the two screws securing the Rear Housing Assy (B).
   
   
   • : C.B.P-TITE-SCREW-3x10-F.ZB-3C
3. Remove the four screws securing the Rear Housing (A).
   
   
   • : C.B.P-TITE-SCREW-3x10-F.ZN-3C

4. Remove the Rear Housing (A) downward.
   

   Assembly / 組み立て

   Attach the two dowels of the Rear Housing (A) to the positioning holes on the Housing Left (B) and the Housing Right (C).

5. Remove the Rear Upper Cover Assy (A) in the direction of the arrow.
   

   Assembly / 組み立て

   Insert the four tabs of the Rear Upper Cover Assy (A) to the positioning holes of the Housing ASF (B).

6. Remove the two screws securing the Housing ASF (A).
   
   
   • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
7. Open the Printer Cover (A) and remove the four screws, and then remove the Housing ASF (B).
   
   • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
8. Disengage the hook, and remove the Maintenance Box Cover (A).
   
9. Remove the three screws securing the Housing Right (A).
   
   
   • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
10. Remove the two screws securing the Housing Right (A).
    
    
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
11. Lift the Housing Right (A) upward to release the two hooks on the front side of the Housing Right (A).
    

12. Remove the dowels to the rear, and lift up the Housing Right (A) to remove it.
    

    Assembly / 組み立て

    Insert the four tabs of the Housing Right (A) to the positioning holes of the RIPS Unit (B).

13. Remove the three screws securing the Housing Left (A).
    
    
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
14. Remove the two screws securing the Housing Left (A).
    
    
    • : C.B.P-TITE-SCREW-3x10-F.ZN-3C

15. Lift the Housing Left (A) upward to release the two hooks each on the front side and rear side of the Housing Left (A), and then remove the Housing Left (A).
    

    Assembly / 組み立て

    Insert the four tabs of the Housing Left (A) to the positioning holes of the RIPS Unit (B).

16. Release the FFC (A) from the three hooks.
    

17. Rotate the gear (B) of the Ink System Unit (A) in the direction of the arrow, and move the CR Unit (C) to the left side.
    

    Caution / 注意

    When rotating the gear of the Ink System Unit, take extra care not to damage or disconnect the FFC by touching it.

18. Remove the CR Scale Spring (B) first from the CR Scale (A) and then from the Main Frame (C).
    

    Caution / 注意

    If the CR Scale Spring falls inside the printer, it may not be removed. Therefore, when attaching or detaching the CR Scale Spring, be very careful not to drop it.