Amazon.com: VICTORSTAR Compatible Toner Cartridge TK1172 TK-1172 Black for Kyocera ECOSYS M2040dn M2540dn M2540dw M2640idw Laser Printers : Office Products
Amazon.com: Kyocera TK-1172 Black Toner Genuine Cartridge, Works with Kyocera ECOSYS M2640idw, M2540dw and M2040dn Model Laser Printers, up to 7.2K Yield (1T02S50US0) : Office Products