Page Yield*: Black-1,200 & Colors-900 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: MB2020, MB2120, MB2720 and MB2320 Color: Black, Cyan, Magenta, Yellow Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.