The Compatible Brother Cartridge TN315 high yield series replaces the TN310 standard yield series Page Yield*: 3,500 For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance.*at 5% coverage (ISO/IEC standard) This compatible toner comes equipped with 100% brand new parts including OPC drum, wiper blades, and other internal components Compatible with the following Brother HL and MFC MultiFunction printers: HL-4150cdn, HL-4570cdw, HL-4570cdwt, MFC-9460cdn, MFC-9560cdw, and MFC-9970cdw Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.