# TPM (CH35 SUB T) Board

1. Release the 6 locks (A), and remove the 6 Ink Pack Trays (B). (Only perform for SC-P8500DL series/SC-T7700DL series)
   

2. Open the Maintenance Cover (A). (Only perform for SC-P8500DL series/SC-T7700DL series)

   

3. Remove the screw. (Only perform for SC-P8500DL series/SC-T7700DL series)
   
   
   • :Black M3x8 S-tite screw

4. Release the hook, and remove the Ink Holder (RIPS) Upper Cover (A). (Only perform for SC-P8500DL series/SC-T7700DL series)
   

   Assembly / 組み立て

   Insert the Ink Holder (RIPS) Upper Cover (A) tab (B). Insert the Ink Holder (RIPS) Upper Cover (A) hook (C).

5. Remove the two screws, and remove the USB cable (A). (Only perform for SC-P8500DL series/SC-T7700DL series)
   

   • : Silver M3x8 P-tite screw

6. Remove the two screws. (Only perform for SC-P8500DL series/SC-T7700DL series)
   

   • : Silver M3x8 S-tite screw
7. Pull the Ink Pack Tray Right Side (A) slightly forward and release the 2 dowels. (Only perform for SC-P8500DL series/SC-T7700DL series)

8. Slide the Ink Pack Tray Right Side (A) upwards to remove. (Only perform for SC-P8500DL series/SC-T7700DL series)
   

   Assembly / 組み立て

   The gray lock lever (A) and ink plate (B) will come off when removing the Ink Pack Tray Right Side (C). Install them after installing the Ink Pack Tray Right Side (C) in the main unit. With the lock lever (A) and tray lever (B) moved to the right side, install the Ink Pack Tray Right Side (C). After installing the Ink Pack Tray Right Side (A), move the lock lever (B) and confirm that the tray lever (C) moves in conjunction.

9. Open the Maintenance Box Cover (A).
   
10. Release the 2 tabs of the Maintenance Box Cover (A) in the order shown in the figure below, and remove.
    
11. Remove the Maintenance Box (A).
    
12. Remove the screw.
    
    
    • : Silver M3x8 Cup S-tite screw
13. Insert a flathead screwdriver and release the 2 hooks each, and remove the two screw cover (A).
    
14. Insert a flathead screwdriver and release the 2 hooks, and remove the screw cover (A).
    
15. Remove the three screws at the front side.
    
    • : Black M3x8 Cup P-tite screw
16. Remove the five screws at the right side.
    
    • : Silver M3x8 Cup S-tite screw
    • : Silver M4x8 Cup S-tite screw
17. Remove the four screws at the rear side.
    
    • : Silver M3x8 Cup S-tite screw with plastic washer
    • : Silver M3x8 Cup S-tite screw
18. On the printer rear side, release the dowel of the Home Side Cover Unit (A).
    
19. Insert a flathead screwdriver and release the 2 tabs each, and remove the Home Side Cover Unit (A) in the direction of the arrow.
    
20. On the printer right side, remove the 11 screws (A).
    
    • : Silver M3x8 Cup S-tite screw

21. Remove the CH83 Main Circuit Board (A).
    

    Assemble / 組み立て

    Take care that the cables do not get pinched. There are four positioning locations.

22. Remove the two cables from the connector (CN50/CN51) (B) of Main Board (A).
    

23. Remove the two screws and then slide the Option Slot Unit (A) in the direction of the arrow to remove.
    

    • : Silver M3x8 Cup S-tite screw

    Assemble / 組み立て

    There are two positioning locations. Insert hooks of the Option Slot Unit (A) into the holes in the frame. Put the grounding plates (a) through the slots (b) in the bottom of the Option Slot Unit. When connecting the cables to the main board, first connect CN51([A) and then connect CN50 (B).

24. Remove the TPM (CH35 SUB T) Board (A).
    

Adjustment / 調整

When removing/replacing this part, refer to following page and make sure to perform the specified operations including required adjustment. TPM (CH35 SUB T) Board