Brother TN-421M Toner Cartridge Magenta TN421MMake 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. The TN421M toner cartridge is formulated for high resolution and will produce quality deep shades and bright colours. Lasting for approximately 1,800 printed pages, you will receive high quality every time. Colour: Magenta Page yield: Up to 1,800 Compatible with: