# USB Host Assy

1. Remove one screw.
   
   
   • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
2. Slide the Right SC Cover (A) while pushing the dent (B) of Right SC Cover, and release the three tabs. Remove the Right SC Cover (A).
   
3. Remove one screw.
   
   
   • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
4. Slide the Left SC Cover (A) while pushing the dent (B) of Left SC Cover, and remove it.
   
5. Remove one screw, and remove the Lower SC Reinforcing Plate (A).
   
   
   • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
6. Reattach the Lower SC Reinforcing Plate (A) in its portrait orientation, then secure it with the screw.
   
   
   • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
7. Remove the screw.
   
   
   • : C.SHOULDER S-TITE,3X5
8. Open the ADF/SCN Unit (A).
   
9. Open the ADF/SCN Unit (A) and extend the support stand (B) as far as it goes, then support the ADF/SCN Unit with the support stand.

   
   

   Caution / 注意

   Make sure that the support stand (A) is fixed with the two hooks, and the two triangle marks (B) face to each other.

   Check Point / チェックポイント

   When closing the ADF/SCN Unit (A), press the switch (C) on the ADF/SCN support stand (B) and hold up the ADF/SCN Unit to disengage the two hooks, then fold the ADF/SCN support stand.

10. Remove the five screws. (one of them is also securing the panel ground wire)

    
    

    • : C.B.S-TITE-SCREW-3x8-F.ZN-3C

    Assembly / 組み立て

    There is a place to fasten the grounding wire (B) together when fixing the panel (A).

11. Remove the two FFC clamps (A).
    
12. Release the Panel FFC (A) and the grounding wire (B) from the guide (C).
    
13. Open the Front Cover Assy (A).
    
14. Slide the panel unit  (A) rightward to remove it.

    
    

15. Put the Panel Unit (A) at the rear side of the printer.

    
    

16. Remove the screw.
    
    
    • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
17. Release the Hook, then slide the Front Right Cover (A) to direction of arrows and remove it.
    
18. Remove the Stacker Assy (A).
    
19. Remove the seven screws, then remove the Front Housing Frame Assy (A).
    
    
    • : C.B.S-TITE-R-SCREW-3x6-F.ZN-3C
20. Remove the Cassette Assy (A).
    
21. Remove the two screws.
    
    
    • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
22. Remove the Front Right Housing (A).
    
23. Remove the four screws fastening the Right Housing (A).
    
    
    • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
24. Release the hook.
    
25. Remove the two dowels.
    
26. Release the four hooks.
    
27. Remove the Right Housing (A) while removing the rib.
    
28. Disconnect the cable of the USB Host Assy (B) from the connector (CN106) on the Main Board (A).
    
29. Remove the screw.
    
    • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
30. Release the cable from the four clamps (A), then remove the USB Host Assy (B).

    
    

    Caution / 注意

    Route the USB cable through the hook (B) of the USB Host Assy (A).