1. Fastest double-sided printing claim applies to the following LaserJet printer with duplex printing: M277dw, M402dn, M402dw, M426fdn, M426fdw, M452dn, M452dw, M477fdn, M477fdw. Based on HP internal testing of top three leading competitors’ first page out and duplex print speed completed 8/2015. Subject to device settings. Actual results may vary. For details see hp.com/go/ljclaims. 2. Based on HP testing using the ENERGY STAR® program’s Typical Electricity Consumption (TEC) method or as reported in energystar.gov of top three leading competitors as of 8/2015. Actual results may vary. For details see hp.com/go/jclaims.. 3. Cost-per-page (CPP) claim compares the majority of multi-pass color laser AiOs <US$400 as of February 2014 based on market share as reported by Q4 2013 IDC. CPP for laser supplies are based on published specifications of the manufacturers' highest-capacity cartridges. CPP based on HP 934XL/935XL ink cartridges' estimated street price, published yield, and continuous printing. Actual prices may vary. Actual yields may vary based on images printed and other factors. See hp.com/go/learnaboutsupplies. 4. Compared with standard-capacity HP ink cartridges. Based on published page yields (hp.com/go/learnaboutsupplies). 5. Based on HP internal testing of predecessor devices completed 8/2015. Actual results may vary. Faster refers to First Page Out Time (FPOT) and duplex print speed. For details see hp.com/go/ljclaims.