Amazon.com: Kyocera 1T02GR0US0 Model TK-717 Black Toner Kit For use with Kyocera KM-3050, KM-4050, KM-5050, TASKalfa 420i and 520i A3 Monochrome Multifunctional Printers; Up to 34000 Pages Yield at 5% Coverage :
QuikShip Toner
Black Toner Cartridge Compatible with Kyocera KM-4050 (N3010)
KM-3050 KM-4050 KM-5050 - kyocera
TK715 Toner For Kyocera Mita KM 3050,4050,5050 -34k