Pump Unit

Adjustment / 調整

When replacing/removing this part, refer to the following pages and make sure to perform the required operations before assembly/reassembly.

  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. Open the IH Cover Unit (A). (Only perform for SC-P8500DL series/SC-T7700DL series)
  21. Slide the Ink Pack Tray Left Side (A) upwards and release the 3 hooks to remove. (Only perform for SC-P8500DL series/SC-T7700DL series)
  22. Open the Ink Cartridge Cover (A). (Only perform for SC-P8500D series/SC-T7700D series/SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series/SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
  23. Remove the two screws.
  24. Release the 2 hooks and then remove the Take-up Button Board Cover (A).
    • : Black M3x10 Cup P-tite screw (SC-P8500D series/SC-T7700D series/SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series/SC-P8500DM series/SC-T7700DM series/SC-T5700DM series only)
    • : Black M3x10 Cup P-tite screw (SC-P8500D series/SC-T7700D series/SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series/SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    • :Black M3x6 Cup S-tite screw (SC-P8500DL series/SC-T7700DL series)
  25. Remove the cable (A) from the connector.
  26. Open the Ink Cartridge Cover (A). (Only perform for SC-P8500D series/SC-T7700D series/SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series/SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
  27. Remove the two screws.
  28. Release the 2 hooks and then remove the Roll Removal Board Cover (A).
    • : Black M3x10 Cup P-tite screw (SC-P8500D series/SC-T7700D series/SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series/SC-P8500DM series/SC-T7700DM series/SC-T5700DM series)
    • :Black M3x6 Cup S-tite screw (SC-P8500DL series/SC-T7700DL series)
  29. Remove the cable (A) from the connector.

  30. Remove the two screws, and remove the Maintenance Cover (A).


    • : Silver M3x8 Cup S-tite screw
  31. Remove the cable (B) from the relay connector (A).
  32. Release the cable (B) from three clamps.

    Assemble / 組み立て
    • Push the two dowels (A) of the Maintenance Cover (A) in the positioning holes of the case.
  33. Open the IH Cover Unit (A).
  34. Release the Storage Housing (B) tab, and fully open the IH Cover Unit (A).
  35. Remove the IH Cover Unit (A) upward.
  36. Remove the two screws.

    • : Black M3x8 Cup S-tite screw
  37. On the rear of the printer, raise the Storage Housing (A) slightly, and release the Storage Housing (A) tab.
  38. Remove the Storage Housing (A) frontward.

  39. On the printer front side, remove the three screws.

    • : Black M3x8 Cup S-tite screw
  40. Remove the 3 screws on the printer rear side.

    • : Black M3x8 Cup S-tite screw

  41. Remove the CSIC FFC (A).

  42. Pull the Ink Holder (RIPS) (A) forward slightly, and remove the cable (B) from the connector.

    Caution / 注意

    Ink may drop from the Ink Holder (RIPS) joint (A). Therefore, keep rags handy in advance to prevent the surroundings from getting soiled.
  43. Remove the Ink Holder (RIPS) (A) frontward.



    Assembly / 組み立て
    • Install the Ink Holder (RIPS) (A) tab (B) along the main unit rail (C).
    • When replacing the Ink Holder (RIPS) (A), to prevent ink leakage, tie the tube (B) of the replaced Ink Holder (RIPS) (A) tightly as shown in the figure below for transportation. Insert the tube firmly up to the base of the joint.
  44. Remove the cable (A) from the relay connector.

  45. Remove the screw.

    • : Silver M3x8 Cup S-tite screw

  46. Slide the Ink Storing Box with Ink Leak Detection Sensor (A) in the direction of the arrow to remove.

  47. Insert a flathead screwdriver and release the two hooks, and remove the screw cover (A).
  48. Open the Printer Cover (A) and the Cutter Cover (B).
  49. Remove the three screws at the front side.
    • : Silver M3x10 Cup P-tite screw
    • : Silver M3x8 Cup S-tite screw
  50. Remove the screw at the top side.
    • : Silver M3x8 Cup S-tite screw
  51. Remove the four screws at the rear side.
    • : Silver M3x8 Cup S-tite screw with plastic washer
    • : Silver M3x8 Cup S-tite screw
  52. Remove the four screws at the left side.
    • : Silver M3x8 Cup S-tite screw

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

  54. 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.
  55. Release the sensor cable (A). (Only perform for SC-P8500D series/SC-T7700D series/SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series/SC-P8500DL series/SC-T7700DL series)
  56. Open the Printer Cover (A). (Only perform for SC-P8500D series/SC-T7700D series/SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series/SC-P8500DL series/SC-T7700DL series)

  57. Remove the Home Side Top Cover (B). (Only perform for SC-P8500D series/SC-T7700D series/SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series/SC-P8500DL series/SC-T7700DL series)

  58. Remove the four screws at the front side. (Only perform for SC-P8500D series/SC-T7700D series/SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series/SC-P8500DL series/SC-T7700DL series)

    • (Right):Silver M3x8 Cup S-tite screw

    • (Left):SC-P8500D series/SC-T7700D series/SC-P8500DL series/SC-T7700DL series: Silver M3x8 Cup S-tite screw, SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series: Silver M4x6 Shoulder Screw
    • : Silver M3x10 Cup P-tite screw
    Assemble / 組み立て

    Tighten the right green screw with the grounding cable. (SC-P8500D series/SC-T7700D series/SC-P8500DL series/SC-T7700DL series only)
  59. Remove the screws on the top. (Only perform for SC-P8500D series/SC-T7700D series/SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series/SC-P8500DL series/SC-T7700DL series)
    SC-P8500D series/SC-T7700D series/SC-P8500DL series/SC-T7700DL series: 6 pcs

    • : Black M3x8 Cup S-tite screw
    SC-T5700D series: 4 pcs

    • : Black M3x8 Cup S-tite screw
    SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E: 2 pcs
    • : Black M3x8 Cup S-tite screw
  60. Remove the Front Top Cover (A) frontward. (Only perform for SC-P8500D series/SC-T7700D series/SC-T5700D series/SC-P6500D series/SC-P6500DE series/SC-T3700D series/SC-T3700DE series/SC-P6500E series/SC-T3700E series/SC-P8500DL series/SC-T7700DL series)
    1. Remove the two screws.
    2. Release the two ink tubes (B/C) from the two guides of the Head Maintenance Cover Front (A).

    3. Release the three ink tubes (B/C/D) from the guide of the Head Maintenance Cover Front (A), and remove it.

      • : Silver M3x10 Cup P-tite screw


      Assembly / 組み立て
      • Be careful not to pinch the ink tube with the front of the head maintenance cover.
      • There are two types of Head Maintenance Cover Front, and the assembly method differs depending on the shape.
        • For shape A
        • Route the ink tubes (A) of the Ink Bifurcated Flow Channel Unit through the guides.
        • Put the marking portions (B/C/D) of the ink tubes in the guides.
        • Align the marking of the ink tube (E) with top edge of the hook of the Ink Bifurcated Flow Channel Unit.
        • For shape B
        • Route the ink tubes of the Ink Bifurcated Flow Channel Unit through the guides.
        • Place the ink tube (A) in the upper guide and the ink tube (B/C) in the lower guide.
        • Align the marking of the ink tube with top edge of the hook of the Ink Bifurcated Flow Channel Unit.
      • Make sure that the Ink Tube (B) is not crushed when the Ink Holder Housing (A) is installed.
      • Insert the Ink Tube (C) and Ink Tube (D) parallel to each other into the slit in the Head Maintenance Cover Front (E).
  61. Remove the two screws.
  62. Release the two ink tubes (B/C) from the two guides of the Head Maintenance Cover Front (A).

  63. Release the three ink tubes (B/C/D) from the guide of the Head Maintenance Cover Front (A), and remove it.

    • : Silver M3x10 Cup P-tite screw


    Assembly / 組み立て
    • Be careful not to pinch the ink tube with the front of the head maintenance cover.
    • There are two types of Head Maintenance Cover Front, and the assembly method differs depending on the shape.
      • For shape A
      • Route the ink tubes (A) of the Ink Bifurcated Flow Channel Unit through the guides.
      • Put the marking portions (B/C/D) of the ink tubes in the guides.
      • Align the marking of the ink tube (E) with top edge of the hook of the Ink Bifurcated Flow Channel Unit.
      • For shape B
      • Route the ink tubes of the Ink Bifurcated Flow Channel Unit through the guides.
      • Place the ink tube (A) in the upper guide and the ink tube (B/C) in the lower guide.
      • Align the marking of the ink tube with top edge of the hook of the Ink Bifurcated Flow Channel Unit.
    • Make sure that the Ink Tube (B) is not crushed when the Ink Holder Housing (A) is installed.
    • Insert the Ink Tube (C) and Ink Tube (D) parallel to each other into the slit in the Head Maintenance Cover Front (E).
  64. Release the cable (A) from two clamps.
  65. Release the cable (A) and waste ink tube (B) from the 3 clamps on the printer rear side.
  66. Disconnect the Cable (A) from the connector.
  67. Remove the screw.
    • : Black M3x8 Cup S-tite screw
  68. On the printer front side, remove the 2 screws.

    • : Black M3x8 Cup S-tite screw

  69. Disconnect the cable (A) from the connector.
  70. Remove the two screws, and then remove the three ink tube (A).
  71. Release the ink tubes (A) from the hook.
    • : Black M2.5x16 S-tite screw with built-in washer
    Assemble / 組み立て
    • Before installing the Ink Tube, make sure Joint Seal Rubber is installed in the Ink Flow Path.
    • Replace the joint rubber with a new one because it cannot be reused.

    • Install the Joint Seal Rubber after soaking in a cleaning solution.

    • Tighten the screws securing the Ink Tube, alternately, two rounds at a time, using a torque driver.
      Specified torque: 0.29 ± 0.05 N⋅m

    • Place the ink tubes so that their line marking (A) locate as shown.


    • If the ink tube (A) is detached from the hook of the Ink Bifurcated Flow Channel Unit (B), set the tube properly, or ink may not be supplied to the ink tube, resulting in print failure.

  72. Free the cable (B) from the Pump Unit (A) upper frame, and remove the Pump Unit (A) frontward.

    Assembly / 組み立て

    Install the Pump Unit (A) tab (B) along the main unit rail (C).



Adjustment / 調整

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