The quality of prints produced with the Brother LC3219XLBK simply cannot be beaten by other products, each of these black cartridges has been lovingly crafted to work in harmony with your machine. You not only ensure print quality, but unrivalled compatibility with genuine Brother LC3219XLBK ink cartridges.The high capacity black cartridge for the Brother MFC-J6935DW and all of the compatible printers listed on this page, the original Brother LC3219XLBK offers exceptional value. With a high 3,000 page yield and the quality assurance endemic of genuine Brother products, the LC3219XLBK has a very low average cost per page.