Super 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, reducing waste at landfill. All Brother hardware and toners are built to have as little impact on the environment as possible. Genuine Brother TN-249M toner - worth it every time.