LxTek Compatible Toner Cartridge Replacement for HP 80A CF280A (3 Black) High Yield LxTek compatible toner cartridges replacements for Xerox 3320 have been awarded ISO9001 certification, and we have independent laboratories periodically verify product quality to ensure a smooth user experience. Page Yield: 11,000 pages per toner cartridge at 5% coverage Compatible Printers: Xerox Phaser 3320 Printer, Xerox Phaser 3320/DNI Monochrome Printer, Xerox Phaser 3320DNI Printer Package Contents: 2 Pack (2 Black) of LxTek compatible Xerox 3320 106R02307 toner cartridge : 1-year limited / Shelf life: 18-24 months