HP Deskjet 3420 Wireless Setup

Use the HP Wireless Direct software to connect the 123.hp.com/dj3420 printer to a computer without using a network source.

  • Press the Wireless Direct button on the printer’s access panel.
  • Wake the screen on your mobile and open the Settings menu.
  • Go to the Wi-Fi menu and turn on the Wireless function.
  • Turn off the router you are using to prevent the printer from connecting to it.
  • Select HP-Print-xx-[HP DeskJet 3420] from the list.
  • Type the security passcode on the printer’s control panel.
  • Open the photo to be printed and tap the Share icon.
  • Choose your printer model from the list displayed and tap Print.

Mac devices cannot connect to a WPS-enabled network. If that is the case, make use of the Apple AirPort feature to connect the 123.hp.com/dj3420 printer.

HP Deskjet 3420 Wireless setup


HP Deskjet 3420 Wireless Setup Mac

Make use of the printer’s Wi-Fi function to link the printer to a Mac device using a router as a medium of network source.

  • Make sure to install the printer’s network drivers before continuing further.
  • Detach the square-end of the USB cable from the printer if connected already.
  • Turn on your router that is connected to a network source.
  • Check the internet connection status and signal strength.
  • Turn on the Wireless feature on the HP DeskJet 3420 printer.
  • Wait for a minute and the printer displays a list of available networks.
  • Select the desired network with which you want to associate the printer.
  • Enable the Wireless option on your computer or laptop.
  • Make sure to merge it with the same network to which the printer is connected.
  • Choose a document or photo to be printed and start printing wirelessly.

How to Find HP Deskjet 3420 WPS Pin

  • The WPS pin for the wireless connection is inscribed on a sticker at the rear of the router.
  • Take note of the password and use it while setting up a wireless connection.
  • When you purchase the router, an email is sent as along with an invoice copy that comprises the password.

WPS Setup

  • Tap & hold the Wi-Fi button until the Wireless light flashes.
  • Turn on the router and change the security mode from None/WEP to WPS.
  • Open a browser on the computer and navigate to the router configuration menu. Expand the ‘Wireless Settings’ tab under the Home menu.
  • Click the ‘Basic Security Settings’ option on the left side of the screen.
  • Slide the toggle button under the ‘Turn Wireless On’ menu.
  • The WPS indication light changes from orange to blue color.
  • Navigate to the bottom of the page and click ‘Apply.’
  • The WPS is activated. Start wireless printing securely.

How to Connect HP DeskJet 3420 to Computer

  • Ensure that the latest version of the printer driver is installed on your laptop.
  • Do not plug the USB cable into the printer before installing the driver.
  • Link the printer to an electrical source and then turn it on.
  • Power on your laptop and make sure to keep both the devices close.
  • Insert the USB cord into the printer’s USB port.
  • Plug the opposite side to a USB port on the laptop.
  • The laptop displays a message stating Installing Device Drivers.
  • Wait until the device driver installation process is complete.
  • Click OK on the window that pops up on the upcoming screen.

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