2x Eurotone Pro Cartridge for Kyocera KM-4050 KM-5050 KM-3050 | eBay
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 :
User manual Kyocera KM-4050 (English - 410 pages)
Kyocera Mita KM-4050 Waste Toner Receptacle (OEM) - QuikShip Toner