Page Yield*: 2,500 per cartridge For best results, store in a cool, dry place. Use within 36 months of purchase for optimal performance. *at 5% coverage (ISO/IEC standard) These compatible cartridges are conveniently equipped with a smart chip that allows you to monitor and track your ink levels Compatible with the following Canon Maxify Printers: iB4020, MB5020, MB5320, iB4120, MB5420, MB5120 Color: Black Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.