INKUTEN 2 Pack Compatible with Brother LC203BK XL High Yield Black Ink Cartridge Compatible With MFC-J4320DW MFC-J4420DW MFC-J4620DW MFC-J5520DW MFC-J5620DW MFC-J5720DW Printer These replacement ink cartridges come equipped with an ink indicator chip that accurately tracks your ink levels and communicates with your printer to be sure you are receiving the best quality print possible Premium Quality Replacement Inkjet Cartridge is made by ISO9001 Certified Factory to Meet OEM Standards. Page Yield: Black-550* & Colors-550* per cartridge | Shelf Life: 24-36 months per cartridge | *Average printer cartridge page yield in accordance with ISO IEC 24711 For use in the following printers: MFC-J4320DW MFC-J4420DW MFC-J4620DW MFC-J5520DW MFC-J5620DW MFC-J5720DW 100% NO HASSLE MONEY BACK GUARANTEE with 2 Year Warranty, Prints like original! Clear, sharp and consistently accurate high quality printouts.