Brother LC103BK OEM Ink - MFC-J4310DW 4410DW 4510DW 4610DW 4710DW 6520DW 6720DW 6920DW High Yield Black Ink (600 Yield) OEM Go to amazon.com Related posts Check expert advices for brother lc103bk ink? DescriptionGenuine Original OEM Product in retail packaging