The HP CF226XD LaserJet Toner Cartridges Pack of 1 in Black is a genuine original product by HP designed for use with printers such as the M402 and MFP M426 models. With a print technology of laser, these cartridges ensure high-quality, crisp black printing. The model number 26X indicates that this cartridge is compatible with specific HP printer models, providing reliable and consistent results. With an expiration date of 06/2023, users can trust that they are getting a fresh and effective product for their printing needs.