Cartridge compatible with Kyocera-Mita TK3122 Ecosys FS-4200DN Compatible Toner- Black - Walmart.com
Amazon.com: Kyocera 1T02L10US0 Model TK-3122 Black Toner Kit For use with Kyocera ECOSYS FS-4200DN, M3040idn, M3540idn and M3550idn Laser Printers; Up to 21000 Pages Yield at 5% Coverage : Office Products