Page Yield*: 1,500 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) Compatible with the following Dell Laser, and Multi-Function printers: Laser B1163w, Laser B1165nfw, Mulit-Function B1160, and Mulit-Function B1160W Color: Black Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.