Our Brother Compatible TN210 Printer Ink Cartridges for the Brother MFC-9120CN are designed to meet or exceed your expectations of the Genuine Brother name-brand product at a fraction of the cost. Our Brother MFC-9120CN compatible Cartridges are designed to give you optimal print quality, with longer than normal page yields. Purchasing our combo pack of the Brother compatible TN210 Printer Ink Cartridges offers you the greatest value in comparison to the Brother OEM Brand. These cartridges are ISO 9001 certified and come with a 90 Day Money Back Guarantee on every product. We also carry the Genuine Brother TN210 Series. You should replace the DDR-210CL every 15,000 pages for optimal print quality.