Amazon.com: Kyocera 1T02MT0US0 Model TK-3112 Black Toner Cartridge (Pack of 2), Compatible with FS-4100DN Laser Printer, Includes Waste Toner Container : Office Products
Kyocera Mita FS-4100DN Toner KitBlack (TK-3110)
Kyocera ECOSYS FS-4100DN Black and White Laser Printer - CopierGuide