The Brother TN-3600XXL super high yield toner has been expertly engineered to guarantee that your prints are delivered fast and in perfect clarity. Genuine supplies like the TN-3600XXL provide better value for money in the long run than cheaper alternatives and protect your printers warranty. The TN-3600XXL prints up to 11,000 pages helping to boost productivity in your office as you can print for longer without interruption. 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-3600XXL super high yield toner - worth it every time.