The Lexmark Unison Original Toner Cartridge in Black is specifically designed for Lexmark printers, including Lexmark MS and Lexmark MX models. This high-quality toner cartridge utilizes laser print technology for crisp, clear black prints. With a standard yield and a quantity of 2, this cartridge offers reliable performance for all your printing needs. Lexmark's reputation for quality and compatibility ensures that this toner cartridge is a dependable choice for your printing requirements.