Brother Lc109bk - Super High Yield - Black - Original - Ink Cartridge - For Mfc J6520dw, J6720dw, J6920dw "Product Type: Supplies & Accessories/Printer Consumables" Brother LC109BK Brother MFC-J6520DW J6720DW, J6920DW Brother MFC-J6720DW Brother MFC-J6920DW