# Document Feed Scale

1. Open the Maintenance Box Cover (A).
   
2. Release the 2 tabs of the Maintenance Box Cover (A) in the order shown in the figure below, and remove.
   
3. Remove the Maintenance Box (A).
   
4. Remove the screw.
   
   
   • : Silver M3x8 Cup S-tite screw
5. Insert a flathead screwdriver and release the 2 hooks each, and remove the two screw cover (A).
   
6. Insert a flathead screwdriver and release the 2 hooks, and remove the screw cover (A).
   
7. Remove the three screws at the front side.
   
   • : Black M3x8 Cup P-tite screw
8. Remove the five screws at the right side.
   
   • : Silver M3x8 Cup S-tite screw
   • : Silver M4x8 Cup S-tite screw
9. Remove the four screws at the rear side.
   
   • : Silver M3x8 Cup S-tite screw with plastic washer
   • : Silver M3x8 Cup S-tite screw
10. On the printer rear side, release the dowel of the Home Side Cover Unit (A).
    
11. Insert a flathead screwdriver and release the 2 tabs each, and remove the Home Side Cover Unit (A) in the direction of the arrow.
    
12. Insert a flathead screwdriver and release the two hooks, and remove the screw cover (A).
    
13. Open the Printer Cover (A) and the Cutter Cover (B).
    
14. Remove the three screws at the front side.
    
    • : Silver M3x10 Cup P-tite screw
    • : Silver M3x8 Cup S-tite screw
15. Remove the screw at the top side.
    
    • : Silver M3x8 Cup S-tite screw
16. Remove the four screws at the rear side.
    
    • : Silver M3x8 Cup S-tite screw with plastic washer
    • : Silver M3x8 Cup S-tite screw
      
17. Remove the four screws at the left side.
    
    • : Silver M3x8 Cup S-tite screw

18. On the printer rear side, release the dowel of the Full Side Cover Unit (A).
    

19. Remove the Full Side Cover Unit (A) from the dowels, and remove it while it in the direction of the arrow.
    

    Assemble / 組み立て

    When installing the Full Side Cover Unit (B), carefully the Head FFC (A) so that it does not damage.

20. Remove the Button (A). (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    
21. Remove the two screws, and then remove the Scanner Home Side Cover (A). (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    
    
    • : Silver M3x8 Cup P-tite screw
22. Push two buttons (A), and open the Scanner Unit (B). (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    
23. Remove the screw on the printer home side. (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
24. Remove the C Shape Washer (A). (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    
    
    • : Black M3x4 Cup Step type S-tite screw
25. Remove the Fixing Slider (A) from shaft. (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    
26. Remove the screw on the printer full side. (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
27. Remove the C Shape Washer (A). (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    
    
    • : Black M3x4 Cup Step type S-tite screw
28. Remove the Fixing Slider (A) from shaft. (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    
29. Open the Scanner Unit (A). (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    
30. Release the sensor cable (A). (Only perform for SC-P8500DL series/SC-T7700DL series)
31. Remove the two screws. (Only perform for SC-P8500DL series/SC-T7700DL series)
    
    
    • : Silver M3x8 Cup S-tite screw
32. Remove the screw, and then remove the Scanner Full Side Front Cover (A). (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    
    
    • : Silver M3x8 Cup S-tite screw

    Check Point / チェックポイント

    Scanner Full Side Front Cover of SC-T5700DM series

33. Remove the C Shape Washer (A) and the Fixing Slider (B). (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    
34. Remove the Washer (A) and the Strap (B). (Only perform for SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    
35. Remove the two screws, and remove the Document Feed Scale Encoder (A).
    
    
    • : Silver M3x6 Cup S-tite screw
36. Remove the cable (B) from the connector (CN8) of the Scanner Sub Board (A).
37. Release cable (B) from clamp (C).
38. Remove the Stopper (D).
    
39. Remove the three screws.
    
    
    • : Silver M3x6 Cup S-tite screw
40. Disengage the hook, and remove the Document Feed Assy (A).
    
41. Remove the C Shape Washer (A) and the Plastic Washer (B).
42. Peel off the Document Feed Scale (C).
    

Adjustment / 調整

When removing/replacing this part, refer to following page and make sure to perform the specified operations including required adjustment. Document Feed Scale