Ultra high-yield toner cartridge is designed for use with Brother HL-L9310CDW and MFC-L9570CDW. It is part of a complete intelligent printing system to provide superior quality. Brother Genuine toner is precisely balanced for even flow and consistent toner distribution. Use only Brother Genuine replacement cartridges for superior results. Cost-efficient cartridge yields approximately 9,000 pages. Brother Genuine TN439M Ultra High Yield Magenta Toner cartridge delivers crisp, professional color laser output with 9,000-page yield (Approximate page yields in accordance with ISO/IEC 19798 TN-439M