Technical specification disclaimersFor yield information on the cartridge(s) included with your printer, see http://www.hp.com/go/toneryield. Yield values measured in accordance with ISO/IEC 19798 and continuous printing.Actual yields vary considerably based on images printed and other factors.Declared yields based on ISO/IEC 19798 and continuous printing. Actual yields vary considerably based onimages printed and other factors. For details see http://www.hp.com/go/toneryieldEPEAT® registered where applicable. EPEAT registration varies by country. See http://www.epeat.net for registration status by country.Typical Electricity Consumption (TEC) rating represents the typical electricity consumed by a product during 1 week, measured in kilowatt-hours (kWh). ENERGY STAR TEC data based on 115V test result; Blue Angel TEC based on 230V test result.