This Brother Genuine LC3039BKS ultra high-yield black ink cartridge provides high-quality, black prints that you can rely on for up to 6,000 pages. Intelligently engineered as part of a complete printing system, it works in seamless unison with your Brother inkjet printer to deliver crisp output with consistently superior print quality. Because Brother cares about the environment, we offer an environmentally responsible way for customers to dispose of Brother Genuine cartridges. Visit www.brother-usa.com/Environment to learn more. Brother LC3039BKS ink cartridges are for use with the following Brother INKvestment Tank inkjet all-in-one printers MFC-J5845DW, MFC-J5845DW XL, MFC-J5945DW, MFC-J6545DW, MFC-J6545DW XL and MFC-J6945DW that feature Brother tank technology.