Brother TN249M Ultra High Yld Mage To 4KSuper high yield supplies reduce the frequency of replacement to keep your office running smoothly and help to increase productivity. Expertly engineered to guarantee that your prints are delivered fast and in perfect clarity. Genuine supplies like the TN 249M provide better value for money in the long run than cheaper alternatives and protect your printers warranty. Brother consider the environmental impact at every stage of your printers life cycle,