Make sure your Brother printer performs to its high design specification and continues to produce the high quality results that you expect by choosing a genuine replacement toner cartridge. For use with HL-L9310CDW and MFC-L9570CDW printers, the TN910BK toner cartridge is formulated for high resolution and will produce quality greyscales and crisp, bold blacks. Lasting for approximately 9,000 printed pages, this ultra high yield toner cartridge will provide high quality every time.