Do it Wiser Compatible Toner Set Black Cyan Magenta Yellow For Brother HL-4140CN HL-4150CDN HL-4570CDW MFC-9460CDN MFC-9560CDW MFC-9970CDW - TN315BK TN315C TN315M TN315Y TN315 - Black Extra High Yield 6,000 pages and Color Extra High Yield 3,500 pages (4 Pack) Black Extra High Yield 6,000 Pages - Color Extra High Yield 3,500 Pages at 5% Coverage Compatible Toner Cartridge with Brother TN315BK TN315C TN315M TN315Y Do it Wiser &reg; Smart Toner Cartridges are covered by 1 year warranty against defects 30 days unconditional money back guarantee and free no hassle returns. We will refund your payment after receiving your returned package. Shipping charges are not refundable. Cartridges certified to work | ISO 9001 quality assurance | ISO 14001 environmental management | RoHS Lead Free