Ink cartridges make an impression with clear, easily readable drawings and colorful, powerful presentations in HP Officejet Pro 6978 and 6968. With Original HP inks, you get crisp, clear, accurate lines and vivid color, even true neutral grays. See accurate, professional results, print after print, cartridge after cartridge with Original HP inks. Intelligence built into Original HP ink cartridges and printer continuously optimizes quality and reliability. Each cartridge yields approximately 300 pages.