4pack Techno Gadget Geeks LC-79 Black Brother Ink Cartridges for MFC-J6510DW MFC-J6710DW MFC-J6910DW Printer Made Entirely of New Parts. This is not Refilled or Refurbished Page Yield: 1200 pages black 2400 color @5% coverage Free and Fast Shipping Within Mainland USA Only This is a Non-OEM product that is Fully Tested for Print Quality and Compatibility 100% Money Back Guarantee if Not Satisfied with this Product