Compatible Samsung ML 4550B 20K Pages High Cap Printer Toner, 10K Pages for Samsung ML 4551N, 4551ND, 4050N, 4050ND High Speed Heavy Duty Printer

Compatible Samsung ML 4550A Standard Cap Printer Toner, 10K Pages for Samsung ML 4551N, 4551ND, 4050N, 4050ND High Speed Heavy Duty Printer, Print 10,000 pages, Black Colour Toner