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Replace printheads

About this task

To solve specific print quality issues, as described in the chapter Troubleshooting.

To replace a printhead you must do the following.

  1. Remove the old printhead.

  2. Place the new printhead.

  3. Prime the new printhead.

Parts of the printhead

Part

1

printhead handle

2

ink port

3

paper guard

4

nozzle surface

5

electrical contacts

6

printhead serial number

Before you begin

If the top cover is still open, close it to enable the system to unlock the printheads for safe removal.

  1. Hold the top cover, pull the green locking lever (1) towards you to release the top cover and close the top cover (2).

  2. Close the maintenance tray cover.

Before you begin

Procedure

  1. On the user panel tap on [System].
  2. Tap on [Maintenance].
  3. Tap on [Replace printheads] to start the wizard.
  4. Tap on [Next] 
  5. By default, all printheads are selected for replacement. If you do not want to replace all printheads at once, you can deselect one or several printheads and tap on [Next].
  6. By default all necessary steps to replace a printhead are selected.
    NOTE

    If you only want to place a new printhead you must deselect [Remove printhead].

    If you only want to prime a printhead you must deselect [Remove printhead] and [Place printhead].

  7. Tap on [Start].
  8. Wait while the print system prepares the selected printhead(s) for removal.
  9. You can now follow the steps in the wizard, or, for more detailed information, follow the steps below.
    NOTE

    From this point you can also follow the video instruction. After that, proceed with step number 30.

    https://vimeo.com/260765681
  10. Open the maintenance tray cover.
  11. Open the top cover (1) and push the green locking lever (2) backward to lock the top cover.
  12. IMPORTANT

    Do not remove the connectors from the control board behind the printhead.

    Use the printhead locking (1) to release the printhead locking lever (2).
    IMPORTANT

    Do not close the printhead locking lever before you have placed a new printhead.

  13. Pull the printhead locking lever completely towards you to release the printhead.
  14. Take the printhead by the printhead handles and tilt it towards you.
  15. Lift the printhead in an angle out of the printhead cradle.
  16. Place the printhead in the orange protection cover for disposal.
    NOTE

    If you do not have a spare orange protection cover, put the old printhead aside and later on use the protection cover of the new printhead.

  17. Unpack the new printhead.
    IMPORTANT

    Keep the printhead in its sealed foil package and at the prescribed orientation until immediately prior to placement into the printer.

  18. Open one end of the cardboard box and slide out of the vacuum-sealed foil package.
  19. Examine the condition of the foil package and inspect the integrity of the vacuum seal. If the seal is broken, do not use the printhead.
  20. Use the tear notch to open the foil package.
  21. Remove the printhead from the foil package.
  22. Release the clip retaining the cover near the center of the printhead (1) and carefully remove the printhead from the orange protection cover (2).
    IMPORTANT

    Do not touch the ink ports, the nozzle surface or the electrical contacts area while handling the printhead.

    Do not place the unprotected printhead on any surface prior to installation in the printer.

    Protect the printhead from contamination by air-borne particulate contamination such as dust or fibers.

    NOTE

    Preserve the orange protection cover. You need this cover to dispose the old printhead.

  23. Hold the printhead by one of the printhead handles and grasp the pull tab (1) with the other hand and, slowly and carefully, peel back the plastic strip covering the nozzle surface.
  24. Hold the printhead by one of the printhead handles and grasp the pull tab (2) with the other hand and, slowly and carefully, peel back the plastic strip covering the electrical contacts.
  25. Take the printhead by the printhead handles and carefully lower it in an angle into the printhead cradle.
  26. Push the printhead firmly backwards into the correct position.
  27. Push the printhead locking lever forward to lock the printhead.
  28. Hold the top cover, pull the green locking lever (1) towards you to release the top cover and close the top cover (2).
  29. Close the maintenance tray cover.
  30. On the user panel tap on [Next] several times, and wait while the printheads are prepared for printing.
  31. When selected in step 6, the [Replace printheads] wizard will now assist you to Clean the print surface and the vacuum holes.
    IMPORTANT

    Do not perform step 21 of this procedure for the printhead or the printheads that you have just replaced.

  32. Tap on [Finish] to close the wizard.

What to do next

After printhead replacement it is advised to align the printheads automatically..

Parent topic:
Maintain the print system
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