# Star Wheel Unit (EM-C800 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 and remove the three screws that secure the Housing Left (A).
   
   • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
4. Lift the Housing Left (A) to release the two hooks on the front side of the Housing Left.
   
5. 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).

6. Disengage the hook, and remove the Maintenance Box Cover (A).
   
7. Open the ADF/SCN Unit and remove the four screws that secure the Housing Right (A).
   
   • : C.B.P-TITE-SCREW-3x10-F.ZN-3C
8. 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.

9. Remove the six screws, then remove the Housing Upper (A).
   
   • : C.B.P-TITE-SCREW-3x10-F/ZN-3C

10. Follow the steps below to unlock the carriage (CR).

    Check Point / チェックポイント

    If the carriage is already unlocked and the CR Unit (A) can move freely, as shown below, this step is not necessary.

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

    2. 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.

11. Remove the Grounding Spring (B) from the Star Wheel Unit (A).

    
    

    Assembly / 組み立て

    Attach the Grounding Spring (A) as shown below.

12. Remove the two screws that secure the Star Wheel Unit (A).
    
    • : C.B.P-TITE (S-P1)SCREW,3X12,F/ZN-3C
13. Remove the Star Wheel Unit (B) while sliding the CR Unit (A) left and right.