Eco-INK is a remanufactured inkjet cartridges featuring One Reusable Printhead and Multi-Pack Replacement Ink Cartridges. It's an environmental-friendly printing solution specifically created for users who want to save printing cost . The ECO-ink cartridges introduce a “Printhead and Cartridge Detachable Design”, which aiming to exhaust the life cycle of the printhead. It consists of a Reusable Print Head and a 3-Pack Replacement Inkjet Cartridges. This new Eco-INK technology has made the printhead reusable with up to 3 replacement ink tanks.