This Genuine HP Q7551X 51X Black Toner Cartridge is a high-quality replacement for your LaserJet printer. It is an original equipment manufacturer (OEM) sealed box, ensuring that you get the best quality and longevity out of your printer.This toner cartridge is compatible with HP printers and is specifically designed for the Laser print technology. The black color of the toner provides high-quality prints that are perfect for both personal and professional use. It comes in a sealed box, ensuring that you get a fresh and unused product.