#Hp serial number check online pro
See Monochrome study compared Original HP cartridges with seven brands of non-HP cartridges for the HP Pro M402 and Pro M521 printers HP 26A and 55A cartridges. Color study compared Original HP color cartridges with six brands of non-HP cartridges for the HP LaserJet Pro 400 M451dn CE410A/X, CE411A/12A/13A cartridges. See 2018 SpencerLab Color and 2019 SpencerLab Monochrome Reliability studies for North America, both commissioned by HP.
Based on average results of interviews with 8 remanufacturers and 7 NBC resellers.
An HP printing system consists of HP printer, HP paper and Original HP supply.