Brother Genuine Magenta Toner Cartridge TN431M delivers high-impact professional color laser output with 1 800 page yield*. All Brother Genuine supplies are designed as part of a complete intelligent printing system to provide superior quality and reliability. Brother Genuine toner is precisely balanced for even flow and consistent toner distribution. Use only Brother Genuine toner cartridges for reliable results and enjoy ongoing improvements and technical changes which regularly occur throughout the hardware lifecycle. Brother offers an environmentally responsible way for customers to dispose of their Brother branded products for no cost at end of life. Visit www.brother-usa.com/environment for more information.