The Lexmark 601H High Yield Laser Toner Cartridge in Black is designed for use with various Lexmark printer models, such as the Lexmark MX511de, MX410de, and MX310dn. This high-yield toner cartridge ensures long-lasting and high-quality printing performance. With a print technology of laser, this cartridge provides crisp and professional-looking black prints for your documents and images. The included 2 packs of sealed Lexmark 601H cartridges ensure that you have an ample supply of toner for your printing needs.