The Brother TN-350 (TN350) Compatible 2,500 Yield Black Toner Cartridge - Brother DCP-7020, Fax 2820, 2910, 2920, HL-2040, 2070N, MFC-7220, 7225N, 7420, 7820N is the compatible replacement of the OEM model. It is manufactured with the highest standards of quality, reliability and compatibility. We guarantee our products without defects in materials and workmanship. If the product is found to have problems under normal circumstance, demand for a return is acceptable. Meeting standards of ISO 9001&14001, we produce our products with 100% new components.