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Replacing the Cartridges
Follow the instructions below to replace the cartridges.
Video of replacing the cartridges
The following video demonstrates how to replace a printhead.
The product shown in the video is the Officejet Pro L7780. The outside of the product might look different, but the steps are similar for your product.
If you are unable to view the video, it may be due to the type of mobile device you are using. You can still use the written information on the screen or access the video with a PC or laptop.
If you have trouble viewing the video or to view the video in a different size, click here to play the video on YouTube.
Replace the cartridges
Step one: Remove the cartridges
  1. Make sure the HP All-in-One is on. Press the On button to turn on the HP All-in-One. The On button is lit when the HP All-in-One is on.
    Figure : Press the On button to turn the product on
    On Button
  2. Gently pull open the cartridge cover.
    Figure : Open access door
  3. Lightly press down on a cartridge to release it.
  4. Pull the cartridge out of its slot.
    Figure : Remove the cartridges
Step two: Install the new cartridges
  1. Open the cartridge cover if it is not already open.
  2. Remove each cartridge from its package.
  3. Align each cartridge with its color-coded slot and then insert the cartridge into the slot. To ensure proper contact, press firmly on the cartridges until they snap into place.
    Figure : Inserting new cartridges
  4. Close the cartridge cover.