Each cartridge individually print tested at manufacturing stage.. For Brother Printers - MFC-J4420DW, MFC-J4620DW, MFC-J4625DW, MFC-5320DW, MFC-5620DW, MFC-5625DW, MFC-5720DW, DCP-J4120DW. Colour - Magenta. Yield - Up to 1,200 pages. Ink Volume - 13ml.
