Print Head　

Adjustment / 調整

When replacing this part, you need to run the menu from the service support mode before replacing it.

  1. Remove one screw.

    • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
  2. Slide the Right SC Cover (A) while pushing the dent (B) of Right SC Cover, and release the three tabs. Remove the Right SC Cover (A).
  3. Remove one screw.

    • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
  4. Slide the Left SC Cover (A) while pushing the dent (B) of Left SC Cover, and remove it.
  5. Remove one screw, and remove the Lower SC Reinforcing Plate (A).

    • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
  6. Reattach the Lower SC Reinforcing Plate (A) in its portrait orientation, then secure it with the screw.

    • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
  7. Remove the screw.

    • : C.SHOULDER S-TITE,3X5
  8. Open the ADF/SCN Unit (A).
  9. Open the ADF/SCN Unit (A) and extend the support stand (B) as far as it goes, then support the ADF/SCN Unit with the support stand.


    Caution / 注意

    Make sure that the support stand (A) is fixed with the two hooks, and the two triangle marks (B) face to each other.
    Check Point / チェックポイント

    When closing the ADF/SCN Unit (A), press the switch (C) on the ADF/SCN support stand (B) and hold up the ADF/SCN Unit to disengage the two hooks, then fold the ADF/SCN support stand.
  10. Remove the screw.

    • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
  11. Release the Hook, then slide the Front Right Cover (A) to direction of arrows and remove it.
  12. Remove the five screws. (one of them is also securing the panel ground wire)


    • : C.B.S-TITE-SCREW-3x8-F.ZN-3C
    Assembly / 組み立て

    There is a place to fasten the grounding wire (B) together when fixing the panel (A).
  13. Remove the two FFC clamps (A).
  14. Release the Panel FFC (A) and the grounding wire (B) from the guide (C).
  15. Open the Front Cover Assy (A).
  16. Slide the panel unit  (A) rightward to remove it.


  17. Put the Panel Unit (A) at the rear side of the printer.


  18. Remove the Stacker Assy (A).
  19. Remove the seven screws, then remove the Front Housing Frame Assy (A).

    • : C.B.S-TITE-R-SCREW-3x6-F.ZN-3C
  20. Move the CR Unit (A) to the print head replacement position.


  21. Remove the thee screws that secure the joint portion of ink tube (A).


    • : C.B.S2-3x12-F.ZN-3C
    • : C.B.P-TITE-SCREW-2.5x10-F.ZN-3C

  22. Remove the ink tube joint portion.

    Caution / 注意

    To prevent the ink tube joint portion from being damaged, hold the frame (A) of the ink tube joint portion with both hands and remove the joint portion straight upward.

  23. Attach the ink tube joint portion to the hook (A) on the frame.
  24. Disconnect the FFC (B) from the connector (A) of the CR encoder sensor.
  25. Remove the three screws, then remove the Print Head (A).
    • : SCREW,MOUNT,HEAD,ASSY
  26. Disconnect the four Head FFCs (B) from the connector of the Print Head (A).


    Assembly / 組み立て
    Print Head (Preparation before reassembly)

    Check Point / チェックポイント

    Make sure to clean the Ink tube joint part (A) of Ink Supply Unit by using the Cleaning stick, because perform the Ink Leak Check correctly. Make sure to clean the Ink tube joint part of Printhead by using the Cleaning stick, because perform the Ink Leak Check correctly.
    Caution / 注意

    If ink is remained to Ink tube joint part, Ink Leak Check can not perform correctly. Therefore cleaning the ink surely.
    Assembly / 組み立て
    Installing the Print Head

    Follow the procedure below to install the Print Head.

    1. Connect the four Head FFCs (B) to the connector of the Print Head (A).

    2. Press the Print Head (A) in the direction of the arrow in order, set it to the CR Unit, and fix it with the three screws.

      • : SCREW,MOUNT,HEAD,ASSY
    3. Connect the FFC (A) to the connector of the CR encoder sensor.
    4. Set the Ink Tube Connector (A) at the Print Head, and fasten it using three screws.
      • : C.B.S2-3x12-F.ZN-3C
      • : C.B.P-TITE-SCREW-2.5x10-F.ZN-3C
    Assembly / 組み立て
    Confirmation after replace the Print Head

    In this printer, the cap of the ink system follows the inclination of the Print Head. However, if hardened ink is accumulated on the cap, capping may not be done properly and printing failure may result. After the adjustment is complete, make sure to perform the operation check of the cap following the procedure below.

    1. Push the cap of the ink system (A) to the rear and confirm the cap (B) surely returns to the original position.
    2. Push the cap of the Cap Unit to the home position and confirm the cap surely returns to the original position.

    3. Repeat Step 1 to Step 2 a few times. If the action of the cap is too slow or awkward, or does not return to the original position, replace the ink system with a new one.

    4. Turn the printer on in service support mode.
    Assembly / 組み立て
    Preparation before Adjustment
    1. Wrap the front cover open sensor (A) with tape, and disable the sensor function.

    2. Install the ink pack and the Maintenance Box.

    3. Start the Printer by Service Support Mode.（Overview)
    Caution / 注意

    Wrap the front cover sensor (A) with tape surely. (When the adhesive tape peels off, the CR unit unintentionally moving.)
    Assembly / 組み立て
    Adjustment after replacing the Print Head (Inspection& Ink Charge)
    1. Select the “Adjustment Main Unit: MENU” from the service support mode menu.
    2. Select the “Main Parts Adjust: MENU” from the Adjustment Main Unit: MENU.
    3. Select the “Print Head: MENU” and execute the “B80 After Repair Adjustment”.
    Check Point / チェックポイント

    Execute the nozzle check after the initial ink charge because the ink leak check is performed after this.
    Assembly / 組み立て
    Installing the Leak Check Jig

    Types of Ink Leak Measurement Jig

    Name EPSON Part Code Photo Remarks
    LEAK TESTER
    SHEET FRONT    		 1684353

    (A)Smoked Face (B)10mm


    Check Point / チェックポイント

    In this product, Ink Leak Check is necessary to prevent the ink leakage due to assembly mistake. Therefore, make sure to install the ink leak measurement jig (A) when installing the Ink Tube to Printhead.
    Before using the Leak Check Jig (A), push the ink leak measurement jig along the folds until the fold angle become 90 (B) degrees.

    1. Select the “Adjustment Main Unit: MENU” from the service support mode menu.
    Caution / 注意

    The smoked face of ink leak measurement jig (B) is put toward the upside.
    Assembly / 組み立て
    Leak Check Judgment
    1. Perform the Ink leak check based on the determination criteria of the Ink Leak Check.
    Assembly / 組み立て
    Adjustment after replacing the Print Head (Adjustment)
    1. Perform the adjustment in order from the head angular mecha adjustment. (Refer to After Repair Adjustment [B80] (Print Head))

Adjustment / 調整

After replacing this part, you need to run the menu from the service support mode before replacing it.