SpeedyInks Remanufactured Panasonic KX-FATM507 High Yield Magenta Laser Toner Cartridge For use in Panasonic: KX-MC6040 and KX-MC6020 Page Yield 4,000 Color: Magenta 100% Quality Satisfaction Guarantee The use of aftermarket replacement cartridges and supplies does not void your printer's warranty