Page Yield: 11,000 per cartridge Shelf Life: 24-36 months per cartridge* at 5% coverage (ISO/IEC standard) These compatible toners contain up to 100% new parts including brand new wiper blades, OPC drums, other internal components, and an electronic smart chip for accurate toner level Compatible with the following Xerox Phaser Printer: 3324 Color: Black The use of aftermarket replacement cartridges and supplies does not void your printer's warranty