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
SuppliesMAX Compatible Replacement for Kyocera Mita ECOSYS M3550idn/FS-4200DN Black Toner Cartridge (8/PK-21000 Page Yield) (TK-3122_8PK) - Newegg.com