# CR Scale (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. 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.

10. 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.

11. On the Full side, disengage the CR Scale (B) from the hook of the plate (A).
    
12. Pull the CR Scale (B) out from the CR Encoder (A).
    
13. On the Home side, stand the CR Scale (A) vertically to disengage it from the hook on the frame, and remove the CR Scale (A).

    
    

    Assembly / 組み立て

    Attach the CR Scale (A) with the marking on the bottom right corner. To improve work efficiency for installing the CR Scale (A), first attach the CR Scale (A) to the hook on the Full side plate (B).