Most HP ink cartridges contain a print head on the bottom and are refilled by peeling back the sticker and injecting ink into the center of the cartridge. Remove stoppers in older HP ink cartridges with help from an employee of an ink-filling station in this free video on HP printer cartridges.

Expert: Taylor
Bio: Taylor has five years experience re-filling ink cartridges at an ink filling station. The filling station offers refurbished ink cartridges as well as re-fills at a discounted price.
Filmmaker: Michael Burton

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