The Brother LC129XLBK Black Ink Cartridge provides a high yield and high quality ink solution for your Brother printer, allowing you to enjoy superior printing. With a massive yield of up to 2400 pages, this ink cartridge provides optimum performance for your printer. Perfect for small and home office use where you need to print often, the LC129XLBK is compatible with the MFCJ6520DW / MFCJ6720DW / MFCJ6920DW models of Brother printers and lets you benefit from superior print definition while delivering great value. Print bold and professional documents time and time again with the high yield Brother LC129XLBK Black Ink Cartridge.