Page Yield* Black: 2,000 Page Yield* Per Color: 1,400. *at 5% coverage (ISO/IEC standard) All of our replacement toner cartridges are compatible with Dell laser printers and contain a toner management computer chip system that works with Dell Printers**, which helps the cartridge communicate more effectively with your computer. Compatible with the following printers: Color Laser C1760nw, C1765nf, C1765nfw, 1250C, 1350cnw, 1355cn & 1355cnw 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.