Compatible Black Toner Cartridge For Use In the Msys5100P, SF-5100, SF-5100P, SF-5100PI, SF-530, SF-531P Fax Machines and SF-515 All In One Machine. Replaces Samsung SF-5100D3 Toner Cartridge Compatible Cartridge Replacement Non-OEM 2 Year Warranty Satisfaction Guaranteed or Your Money Back