Setting up the HP OfficeJet 5258 printer for first-time use is simple. First, take the printer out of its box and discard all of its wrapping. Plug in the power cord and turn on the printer. Follow the on-screen prompts to select language, region, and time settings. Next, load paper into the input tray and install the ink cartridges. Install the HP Smart app on your computer or mobile device after downloading it. To link the printer to your Wi-Fi network, use the app.