HP LaserJet Pro 400 Complete Setup Guide


Quick Setup Guide for the HP LaserJet Pro 400 Printer – For Beginners

The HP LaserJet Pro 400 is a fast and efficient laser printer designed for busy offices. With speeds of up to 35 pages per minute and automated two-sided printing, it boosts productivity. The high-resolution printing at 1200 x 1200 dpi ensures professional-quality prints. The printer also supports automated duplex printing, helping to save paper and reduce costs. The HP LaserJet Pro 400 printer supports mobile printing with HP ePrint and Apple AirPrint. It is energy-efficient with Auto-On/Auto-Off technology and HP Smart Install, reducing energy consumption. With high-quality prints and fast speed, it is an excellent choice for busy offices, ensuring reliability and efficiency.

The 123 com setup team provides comprehensive assistance and support for setting up the HP LaserJet Pro 400 printer. With step-by-step guidance, they ensure a seamless installation process, including connecting the printer through wireless and USB connections, installing printer drivers, and resolving any setup issues with their deep knowledge and experience in no time.

Features of the HP LaserJet Pro 400 Printer

  • Produces quality prints with 1200 x 1200 dpi resolution, resulting in bold, crisp text and sharp images.
  • Print up to 35 pages per minute for fast results without compromising quality.
  • Save money and reduce paper consumption by using driver-supported manual duplex printing.
  • Share the printer easily over your local Ethernet network.
  • Print from virtually anywhere using HP ePrint.
  • Depend on a printer with a 50,000-page maximum monthly duty cycle.
  • Boost productivity with a 300-sheet paper capacity.
  • Handle complex files without slowing down your computer thanks to the printer's 128 MB of internal memory.
  • Fast installation without a CD with an HP Smart Install.
  • Easily control your print environment with market-leading management tools.

New Printer Setup Guide - HP LaserJet Pro 400 Printer

HP LaserJet Pro 400 Printer Unboxing

  • Take the printer out of the box.
  • Remove all packaging and tape from the outer section.
  • Remove protection from the control panel and scanner surface.
  • Recycle all packaging, and your printer is good to go for the setup process.

Installing 2-Sided Duplex Printing Accessories

  • Figure out the duplex in the box and get it out of the box.
  • Remove all protective tape and packaging material.
  • Turn the printer to its backside to install duplex.
  • To install the duplexer, grip it by its edges while making sure the rollers face the printer.
  • Next, insert the duplexer into the slot located at the rear of the printer.
  • Finally, push the duplexer firmly into the printer until it clicks into position.

Power On the Printer and Customized Your Settings

  • Plug the printer into a power outlet and turn it on.
  • On the printer control panel, select your language, region, and country.
  • Click on the control panel date section to set the date and time.
  • Choose your local date and time settings, then click on "Confirm" and "Done."

Install Ink Cartridges in the HP LaserJet Pro 400 Printer

Note - “Setup ink” cartridges are specially designed for the box for first time ink installation and come inside the box.

  • Turn on the printer and wait for a while.
  • Open the ink cartridge access door.
  • Wait for the ink carriage to move to the center of the printer and become idle.
  • Remove the new ink cartridge from its package and remove the protective tape on it.
  • Hold the new cartridge by its sides and push it forward into the empty slot until it snaps into place.
  • Repeat the steps for other ink cartridge installations.
  • Close the ink cartridge access door.
  • Wait for the printer to align the ink cartridges automatically, which may take a few minutes.

Perform Paper Loading Process

  • Extend the paper tray from the printer.
  • Open the paper-width guides by sliding them outward.
  • Insert papers into the tray slot.
  • Adjust the paper-width guides until they rest snugly against the edges of the paper.
  • Make sure the guides are not so tight that they cause the paper to bend.
  • Now insert the tray pack into its slot and wait for it to align properly.
  • That's all you are done with the paper alignment and loading process.

Download Drivers for the HP LaserJet Pro 400 Printer

  • Go to the website at 123.hp.com/setup.
  • Enter your printer model and number in the search box.
  • Click on the search button to begin the search for compatible drivers.
  • Select the appropriate driver for your operating system from the displayed options.
  • Click on the download, to start installing the drivers
  • After the drivers have successfully downloaded, save them to your computer.
  • Follow the on-screen instructions to run the software and complete the installation process.

Software Installation for the HP LaserJet Pro 400 Printer

  • First, check that your printer is connected to a good internet network.
  • Go to www.support.hp.com.
  • Click on the "Support" tab.
  • Type "HP LaserJet Pro 400" in the search section and click on "Search."
  • Select your Operating System from the drop-down list and click on "Change."
  • Choose the software you want to download for the LaserJet Pro 400.
  • Click on the "Download" button.
  • Follow the on-screen steps to complete the installation process.

Wireless Configuration for the HP LaserJet Pro 400 Printer


  • Power on your printer and ensure it is connected to the same Wi-Fi network as your computer.
  • Click on the "Start" menu on your system and select "Settings."
  • Choose "Printers and Scanners" under the "Devices" section.
  • Click on "Add Printer or Scanner" and wait for Windows to search for available printers.
  • Select your HP LaserJet Pro 400 from the list of printers.
  • Follow the on-screen commands to complete the configuration process.
  • Congratulations! Your printer is now ready for wireless printing.


  • Launch the “HP Utilities” application on your Mac.
  • Select your HP LaserJet Pro 400 printer from the list and click "Continue."
  • Click "Add Printer" to open the Add Printer window.
  • Find and select your printer's name from the list.
  • Click on the "Use" menu button and select the printer's name from the drop-down menu.
  • Click "Add" to add your HP LaserJet Pro 400 printer to the list of available printers on your Mac.


USB Configuration for the HP LaserJet Pro 400 Printer


  • Put the LaserJet Pro 400 printer in close proximity to your PC on a flat surface.
  • To see if your computer has the most recent operating system, turn on both your computer and the printer.
  • Install the most recent LaserJet Pro printer driver by downloading it.
  • Connect the printer to your computer using a USB cord.
  • Assign print jobs to the printer after the connection has been made, then evaluate the print quality.


  • Using the same USB cable, connect your Mac and HP LaserJet Pro 400 printer.
  • Select "System Preferences" from the menu.
  • Select "Printers and Scanners" from the drop-down menu.
  • To add a new printer, click the "+" sign.
  • Select "Add New Printer" and one of the printer models listed.
  • As needed, finish configuring the printer.
  • Make sure your Mac is properly connected to your HP printer.

Seeking Professional Assistance in Setting Up Your HP LaserJet 400 Printer, Contact 123 Com Setup for A Seamless Setup Experience.

When it comes to setting up your HP LaserJet 400 printer, seeking professional assistance can make all the difference. By contacting 123 Com Setup, you can ensure a seamless setup experience with their expertise and support. Let their team guide you through the process, ensuring that your printer is set up correctly and ready to deliver optimal performance.


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