The CLI-521M is a magenta inkjet cartridge that is optimized for use in tandem with Canon printers. It is of high quality, and can be used to create vivid colours for any type of printout. These colours can come from deep maroons to brilliant reds and baby pinks, making every document a study in colour. The cartridge can give very definitive colours to both text files and photos, which makes it very versatile and usable in many different applications. Each cartridge comes filled with 11.5ml of the magenta ink, and can be used with all of the following compatible printers: Canon IP 4600, Canon IP 3600, Canon MP 620, Canon M 540, Canon MX 860, Canon MP 550, Canon MP 560, Canon IP 4700, Canon MP 980, Canon MP 630, Canon MP 640, and the Canon MP 990.