For the Dell C2660dn and the Dell C2665dnf our compatible high-yield toner combo is the perfect solution for those looking to save some money when refilling their toner purchase. Our toners are manufactured to the same standards which are used by the OEM brands. This means that you continue to get a high-quality toner product with similar page yields as the OEM brands and still get a high-yield toner at a reduced price. Try us out today!