Replacing the Maintenance Box

Make sure you have a new maintenance box before you begin.
Note: The WF-3720/WF-3730 Series do not include a user-replaceable maintenance box.
Do not reuse a maintenance box that has been removed and left uninstalled for more than a week. Keep the maintenance box away from direct sunlight.
  1. Make sure the product is not printing.
  2. Remove the new maintenance box from its package.
    Do not touch the green chip on the maintenance box.
  3. Press the tab on the maintenance box cover and remove it.

  4. Grasp the maintenance box as shown and pull it out of its holder.

    Note: Do not tilt the used maintenance box or take it apart.
    Warning: If ink gets on your skin, wash it thoroughly with soap and water. If ink gets into your eyes, flush them immediately with water. If ink gets into your mouth, spit it out and see a doctor right away. Keep the maintenance box out of the reach of children and do not drink the ink.
  5. Place the used maintenance box in the plastic bag that came with the new maintenance box. Seal the bag and dispose of it carefully.

  6. Insert the new maintenance box into the holder and push it all the way in.

  7. Press the tab on the maintenance box cover and reattach it.

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