Compatible with HP Color LaserJet MFP M183fw and HP LaserJet Pro MFP M182nw Printers Compatible Replacements Included: 2 HP 215A Black Toner Cartridges / HP W2310A Black Toner Cartridges Working chip installed and Ready to Use! No manual transfer needed! Print as many pages as the OEM for only a fraction of the cost! Page Yield*: 1,050 For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance. Average cartridge Page Yield* in accordance with ISO 19752. *at 5% coverage (ISO/IEC standard) Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.