Select the language from the printer control panel.Press the Power button located at the bottom left corner of the front side to turn the printer on.Take out the power cord from the sealed packaging, connect the main to the power source, and the other end of the power cord to the rear end of the HP printer.The duplexer is provided along with the printer box. Now, you have to install the duplexer on the printer.Remove the protective tapes and the packaging materials from the HP printer.Take out the HP OfficeJet Pro 8620 printer from the carton and take out all the accessories.HP OFFICE JET PRO 8620 INSTALLATION SETTINGS
