Advanced inkjet print cartridge technology and features make it easy to achieve consistently outstanding results with your HP inkjet printer. Patented, pigment-based ink in the HP 56 black inkjet print cartridge delivers consistent results for a wide variety of printing needs - from quick email printouts to family newsletters. The reliable, easy-to-install cartridge and specially formulated ink work together with your HP inkjet printer to give you crisp, sharp results that resist fading. HP print cartridges and printers are designed together to work together. Smart technology in the printing system makes the HP 56 black inkjet print cartridge easy to install and use. An on-screen ink-level indicator monitors ink levels and provides proactive alerts when it's time to replace a print cartridge. Consistently outstanding results in a reliable, easy to use printing system. The result is clear to see - sharp, black text, no matter what you print.