HP T6N12AA (#804XL) Genuine Black Ink Cartridge - 600 PagesHP #804 XL Genuine Black Ink Cartridge This HP # 804 XL Inkjet Cartridge will help to keep your printer producing sharp, crisp, professional documents. It's specially designed to work with HP printers and is easy to install so you can do it yourself. This cartridge can also be known by its model number T6N12AA It has an estimated page yield of 600 This cartridge is compatible for use with your HP Tango and Envy models listed below The pack includes a