The HP 305x CE410XD 2-Pack LaserJet Toner Cartridges are genuine/original cartridges specifically designed for use with HP printers. These black toner cartridges are compatible with various HP printer models such as M451dw, M475dn, and M375n. They are also compatible with selected Samsung and Lexmark printers, making them a versatile and convenient option for printing needs. With a print technology of laser, these cartridges ensure high-quality and professional-looking prints for all your documents and images.