The HP No. 78 Tri-Color Inkjet Print Cartridge (19 ml) has been introduced for occasional color printing, featuring outstanding plain-paper image quality as well as photo-image quality on special media, & the best combination of speed & print quality in any print mode. It combines speed & print quality for uncompromised output in any mode & on a wide variety of HP specialty media & also plain paper. It features same printhead design & quality plus genuine HP engineered ink formulation as in the 38 ml cartridges. Each HP inkjet print cartridge consists of an integrated printhead & ink supply; designed for easy snap-out/drop-in for clean, fast replacement. The result is a new printhead & fresh ink every time the print cartridge is exchanged for maximum print quality & reliability.