The Genuine Kyocera TK-1172 Black Toner Cartridge 1T02S50US0 is a high-quality, original product specifically designed for Kyocera printers. This laser print technology black toner cartridge is compatible with models such as Ecosys M2040dn, M2540dw, and M2640idw, ensuring crisp and professional-quality printing results every time. With this genuine Kyocera product, you can trust that your prints will be of the highest standard of quality and reliability.