The Genuine HP 920 Black Ink Cartridge is a high-quality printer accessory designed specifically for HP Officejet Pro 8600 printers. With an inkjet print technology and a black color option, this cartridge is perfect for producing professional-quality documents and images. Manufactured by HP, this genuine/original cartridge comes with a 1-year manufacturer warranty and is compatible with the specified printer model. The cartridge has an expiration date of 03/2015, but it is still guaranteed to provide reliable and consistent printing results.