Amazon.com: Kyocera TK-3102 (TK3102) Black Toner Cartridge 2-Pack for FS- 2100, M3040, M3540 : Office Products
Amazon.com: Kyocera TK-5442K Black Toner Cartridge, Works with Kyocera ECOSYS MA2100cwfx and PA2100cwx Model Laser Printers, Genuine Kyocera (1T0C0A0US0) : Office Products