Compatible with: Kyocera-Mita ECOSYS P3050dn, M3860idn, M3860idnf, P3260dn Page Yield*: 15,500 For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance.*at 5% coverage (ISO/IEC standard) Equipped with brand new smart chip that accurately tracks your toner level Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.