The Genuine Original OKI 44992401 Black Toner Cartridge is a high-quality printing supply designed specifically for OKI printers, including models B401, MB441, and MB451. This genuine product from OKI ensures crisp and professional-looking black prints, making it ideal for both home and office use. With a unit quantity of 1, this toner cartridge is a reliable and efficient choice for producing Consistent and high-quality printouts.