For business professionals in connected workgroup and stand-alone environments with the need for colour printing, as well as graphics designers, advertising agencies and technical professionals specialising in AEC, mechanical design and GIS. HP 11 Ink Cartridges are separate, single colour cartridges with built-in smart technology. They are a key component of the HP Modular Ink Delivery System with ultra-small ink drops for exceptionally refined print quality at superfast speeds.