The Dell K4971 Black Toner Cartridge CT200481 is a genuine/original unit designed for use with Dell printers, specifically the 3000cn and 3100cn models. This black toner cartridge utilizes laser print technology to produce high-quality prints. As a genuine Dell product, it is guaranteed to be compatible with the specified printer models and provide reliable performance. With a unit quantity of 1, this toner cartridge is a cost-effective solution for achieving professional-quality printing results.