Green Toner Supply&trade; Compatible Ink Cartridge Replacement for Brother LC41 (4 Black, 4 Cyan, 4 Yellow, 4 Magenta, 16-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 500 Pages at 5% Coverage; Color Print Yield: Up to 400 Pages at 5% Coverage Green Toner Supply Compatible Ink Cartridge Replacement for LC41 works with the following machines: DCP-110C, DCP-120C, IntelliFax-1840C, IntelliFax-1940CN, IntelliFax-2440C, MFC-210C, MFC-3240C, MFC-3340CN, MFC-420CN, MFC-5440CN, MFC-5840CN, MFC-620CN, MFC-640C Green Toner Supply cartridges were professionally manufactured in an ISO 9002 factory