123.hp.com/oj5740 - 123 HP Officejet 5740 Printer installation is to start up with the setup process and you can now access your printer from anywhere.Follow the steps below to start and power your HP OfficeJet 5740 printer.
Take the power cable that you kept away during the unboxing and take away the twist tie.
Turn off your printer and insert the power cord into the power slot.
https://123hp.biz/123-hp-officejet-5740-printer-setup/