How to Open an HP Ink Cartridge (4 Steps)

1. Prepare a clean workspace Remove the printer cartridge from the printer.
2. Peel back the sticker on top of the cartridge to reveal one to three holes. Use these holes to refill the cartridge with ink if desired.
3. To further disassemble the cartridge, you will need a a sharp, sturdy tool. Pry off the top of the cartridge by inserting a knife or other tool into the crevice and prying upward.
4. Once the cap is pried off, you can remove the sponge that holds the ink if desired. Wear gloves to avoid making a mess of your hands.