Brother Genuine TN780 Super High Yield Mono Laser Toner Cartridge Professional mono laser print quality you can consistently rely on for 12,000 pages* Intelligently engineered to work in seamless unison with your Brother printer Brother Genuine toner produces crisp, sharp prints that withstand the test of time Brother offers an environmentally responsible way for customers to dispose of Brother Genuine cartridges. Visit manufacturers website to learn more. *Approx. toner cartridge yields in accordance with ISO/IEC 19752 (letter/A4)