Green Toner Supply Compatible Ink Cartridge Replacement for Brother Super High Yield LC79 XXL (4 Big Black, 2 Cyan, 2 Yellow, 2 Magenta, 10-Pack) Green Toner Supply offers LIFETIME WARRANTY against manufacture defects Green Toner Supply offers 2 Years Money Back Guarantee on Manufacture Defects Black Print Yield: Up to 2,400 Pages at 5% Coverage; Color Print Yield: Up to 1,200 Pages at 5% Coverage Green Toner Supply Compatible Ink Cartridge Replacement for Brother LC79 series works with the following printers: MFC-J5910DW, MFC-J6510DW, MFC-J6710DW, MFC-J6910dw Green Toner Supply cartridges were professionally manufactured in an ISO 9002 factory