For outstanding, original-quality HP blacks, use the Hewlett-Packard HP 920 Black Ink Cartridge. This ink cartridge produces crisp, laser-like text, suitable for use in even the most demanding business context. It offers approximately a 420-page yield.The HP 920 Black Ink Cartridge is compatible with the HP OfficeJet 6000, 6500, 7000 Wide Format, 6000 WiFi & 6500 WiFi inkjet printers.