Compatible Brother LC139XL LC135XL Ink Cartridge (Extra Black)
LC139XL - Black x 2
LC135XL - Cyan
LC135XL - Magenta
LC135XL - Yellow
Black ink cartridge contains 20ml, These printer cartridges do not use a chip for ink levels.
Suits Printers: BROTHER: MFCJ6520DW, MFCJ6720DW, MFCJ6920DW