This 10 pack of Brother compatible ink cartridges includes 4 Black (LC31BK), 2 each of Cyan (LC31C), Magenta (LC31M) and Yellow (LC31Y) inkjet cartridges. Save even more with our 10 ink cartridge set for the Brother LC31 series. Why pay twice as much for brand name Brother LC31 black and color printer ink cartridges when our generic brand printer supplies are cheaper in price but equal in quality. Our compatible brand replacement inkjet cartridges for Brother printers are backed by a full 1 year 100% satisfaction guarantee. So Stock up now and save even more!. The use of compatible replacement Laser Toner Cartridges and supplies does not void your Printers Warranty. For use in: MFC MultiFunction Printers MFC-3220C, MFC MultiFunction Printers MFC-3420C, MFC MultiFunction Printers MFC-3820CN, MFC MultiFunction Printers MFC-3320CN, Intellifax 1920CN, Intellifax 1820, Intellifax 1820C.