The Brother LC421M is the standard capacity magenta cartridge for your printer and is the cheapest way to fuel your printer with genuine ink of this colour. Estimated to offer 200 prints, the Brother LC421M is surpassed in size by the XL capacity original also available, but this cartridge is still great for infrequent printers. The magenta ink used by Brother for the LC421M is some of the highest quality the manufacturer has ever produced too. With this in mind, we are more than confident you will enjoy using the Brother LC421M in any of the top-quality inkjet printers we have listed as compatible on this page.