EGP SF-5100D3 Compatible Black Laser/Fax Toner Cartridge THIS CTSF5100 IS A PROFESSIONALLY MANUFACTURED COMPATIBLE TONER THAT REPLACES THE ORIGINAL SAMSUNG SF-5100 BLACK TONER CARTRIDGE. THIS CARTRIDGE WAS ENGINEERED IN A MANUFACTURING FACILITY THAT USES STATE OF THE ART PROCESSES TO INSURE THAT THIS CARTRIDGE WILL PRINT AS WELL AS THE Works with the following models: Samsung Laser Fax SF5100, Samsung Laser Fax SF530, Samsung Laser Fax SF531, Samsung Laser Fax SF535