This Brother LC-139XL Ink Cartridge is designed to last longer than standard refills making it ideal for volume printing at home. The ink will help to deliver sharp, crisp prints that will last for longer. •It has an estimated page yield of this cartridge is 2,400 pages. •This cartridge is compatible with the following Brother machines: MFC J6520DW, MFC J6720DW and MFC J6920DW. •The ink in this cartridge is black.