Do it Wiser Compatible High Yield Yellow Toner Cartridge For Samsung CLP 680 CLP-680DW CLP-680ND CLX-6260 CLX-6260FW CLX-6260ND CLX-6260FD - CLT-Y506L - 3,500 Pages Compatible with part number CLT-Y506L For use in Samsung CLP 680 CLP680 CLP-680ND CLP-680DW CLX-6260 CLX-6260FD CLX-6260FR CLX-6260FW part number CLT-K506L CLT-C506L CLT-M506L CLT-Y506L Do it Wiser 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