The HP 210X Black High-Yield Toner Cartridge (W2100X) is an original LaserJet cartridge designed specifically for HP printers. With a print technology of laser, this black toner cartridge ensures high-quality printing results. The cartridge is compatible with HP printers and comes with a model number HP 210X Black Original LaserJet Toner Cartridge. It is designed to provide reliable and consistent printing performance for all your document and image printing needs.