EFORINK Compatible TN-350/TN350 Black Toner Cartridge Replacement for Brother MFC-7420, MFC-7820N DCP-7020 (2.5K Page Yield, 1 Pack) Brand: EFORINK Color: Black Qty: 1 Pack NON OEM Brother TN350 Compatible Black Toner Cartridge Approximate cartridge yield up to 2,500 standard pages