The use of Brother Genuine replacement high-yield toner cartridges like the TN-750 helps produce sharp, black and white pages with the quality you expect from Brother products. The Brother TN-750 replacement laser black toner cartridge is for use with 15 Brother products. This professional cartridge is intelligently engineered to work in seamless unison without compromising the quality of the print. The Brother Genuine TN-750 replacement high-yield black toner cartridge can print approximately 8,000 pages. Brother is dedicated to being environmentally responsible and offers disposal programs for properly discarding its cartridges.
This high yield Brother -printer cartridge (TN-750) is the best for the money. I'm an academic and I do quite a lot of printing. It definitely has a long life.