First regarding it vital to highlight that the HP 78 Tri-Color Inkjet Cartridge additionally be called HP C6578AN Tri-Color Cartridge. An unusually useful cartridge for a variety of HP Inkjet Printers to name a few we have most Deskjet 900 series, HP Color Copiers, quite a few HP OfficeJet Printer Series recent and popular Inkjet Printers for example some for this HP Photosmart Series Printers.