Original HP 78 ink cartridge (C6578DN) works with: HP Deskjet 3820, 920, 9300, 930, 932, 940, 955, 960, 980. HP Officejet g55, g85, k80, v40. HP PSC 750, 950.
Patented, dye-based color HP ink formulations for clear, vivid images every time you print. The HP 78 was 50 times more reliable, on average, than the leading remanufactured brands tested