Kyocera KM-3050 Black Toner Cartridge, Genuine (G7689)
Amazon.com: Kyocera 1T02FB0US0 Model TK-657 Black Toner Cartridge For use with Kyocera KM-6030 and KM-8030 Multifunctional Printers, Up to 47000 Pages Yield at 5% Average Coverage : Office Products