Speedy Inks - 4PK Compatible Panasonic KX-FAT461 Black Laser Toner KXFAT461 For use in: KX-MB2000, KX-MB2010, KX-MB2030, KX-MB2064 Page Yield: 2000 | Color: Black Shelf Life: 24-36 months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty