HP LaserJet MFP M140w Connect to Wi-Fi: Complete Guide
Connecting your HP LaserJet MFP M140w to a wireless network allows you to print, scan, and copy from your Windows PC, Mac, smartphone, or tablet without the need for USB cables. Whether you're setting up the printer for the first time or reconnecting it after changing your Wi-Fi network, this guide will walk you through every step. You'll learn how to connect the printer to Wi-Fi, install the required drivers, and troubleshoot common wireless connection issues for a smooth printing experience.
If you've recently changed your router or Wi-Fi password, you can also follow our guide on how to change the Wi-Fi network on an HP Envy printer, as the wireless reconnection steps are similar across many HP printer models.
If you own a similar printer, such as the HP LaserJet MFP M139w, M139we, M140a, M140we, or M141w, many of the steps in this guide are also applicable. You'll also find helpful information related to HP LaserJet MFP M139w Wi-Fi Connection, HP LaserJet MFP M140a Printer Setup, HP LaserJet MFP M140we Wireless Setup, HP LaserJet MFP M141w Wi-Fi Setup, and HP LaserJet MFP M141we Wireless Connection, making this guide useful for users across the HP LaserJet MFP M140 series.
Before You Connect HP LaserJet MFP M140w to Wi-Fi
Before connecting your printer to a wireless network, it's important to prepare both the printer and your Wi-Fi connection. Taking a few minutes to complete these basic checks can help prevent setup issues and ensure the installation process runs smoothly.
Things You'll Need Before Getting Started
Before starting the setup, make sure you have:
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A stable 2.4 GHz Wi-Fi network with internet access.
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Your Wi-Fi network name (SSID) and password.
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A Windows PC, Mac, Android device, or iPhone for setup.
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The HP LaserJet MFP M140w powered on and placed within range of your wireless router.
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Paper loaded into the input tray and the toner cartridge installed correctly.
Having these essentials ready will make the wireless connection process faster and reduce the chances of setup errors.
Prepare Your HP LaserJet MFP M140w
Remove all protective packaging from the printer and ensure the toner cartridge has been installed correctly. Load paper into the input tray, connect the printer to a power source, and switch it on. Wait until the printer finishes its startup process and is in a ready state before beginning the wireless setup.
For the best results, place the printer close to your Wi-Fi router during the initial connection. A stronger wireless signal improves stability and helps establish a successful connection on the first attempt.
Download the HP Smart App
The HP Smart app is the recommended way to connect your HP LaserJet MFP M140w to a wireless network. It provides step-by-step instructions, detects your printer automatically, and helps install the latest drivers and firmware updates.
Download the HP Smart app on your Windows PC, Mac, Android device, or iPhone. Once installed, sign in with or create an HP account if prompted, then keep the app ready for the next step of the Wi-Fi connection
Wireless Connection Methods for HP LaserJet MFP M140w

The HP LaserJet MFP M140w supports multiple wireless connection methods, allowing you to print, scan, and copy from your Windows PC, Mac, smartphone, or tablet without using a USB cable. The HP Smart app is the recommended option because it provides step-by-step guidance and automatically detects your printer. If your router supports Wi-Fi Protected Setup (WPS), you can also connect the printer without manually entering your Wi-Fi password. If the connection isn't successful, resetting the wireless settings usually resolves the issue.
Method 1: Using the HP Smart App
The HP Smart app is the easiest and most reliable way to connect your HP LaserJet MFP M140w to a wireless network.
Follow these steps:
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Turn on your HP LaserJet MFP M140w and place it close to your Wi-Fi router.
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Open the HP Smart app on your Windows PC, Mac, Android device, or iPhone.
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Click Add Printer and allow the app to search for available printers.
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Select HP LaserJet MFP M140w from the detected devices.
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Choose your Wi-Fi network and enter the wireless password.
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Follow the on-screen instructions to complete the connection.
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Print a test page to confirm that the printer is connected successfully.
The HP Smart app also helps install firmware updates and lets you manage printing, scanning, and printer settings from a single application.
Internal Link: If your printer connects successfully but doesn't print, check out our guide on fixing an HP printer that's not printing for additional troubleshooting steps.
Method 2: Using Wi-Fi Protected Setup (WPS)
If your wireless router supports WPS, you can connect your printer without entering the Wi-Fi password manually.
To connect using WPS:
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Turn on the printer and ensure it is within range of your router.
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Press and hold the Wireless button until the wireless indicator starts blinking.
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Within two minutes, press the WPS button on your wireless router.
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Wait until the wireless light becomes solid, confirming that the printer has connected successfully.
Once connected, the printer will be available for wireless printing from any compatible device connected to the same Wi-Fi network.
Reset Wireless Settings and Reconnect
If the printer cannot detect your Wi-Fi network, repeatedly fails to connect, or you've recently changed your router or Wi-Fi password, resetting the wireless settings is recommended.
Follow these steps:
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Turn on the printer.
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Press and hold the Wireless button until the wireless indicator begins flashing.
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Wait for the printer to enter wireless setup mode.
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Open the HP Smart app and select Add Printer again.
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Follow the on-screen instructions to reconnect the printer to your wireless network.
If a paper jam prevents the printer from completing the setup or responding properly, our guide on how to remove jammed paper from an HP printer can help you resolve the issue safely.
Resetting the wireless settings clears the previous network configuration and allows the printer to establish a fresh connection with your current Wi-Fi network. This simple process resolves most wireless connection issues and helps ensure stable, reliable printing.
Install HP LaserJet MFP M140w Drivers and Fix Common Issues

After connecting your HP LaserJet MFP M140w to Wi-Fi, installing the latest printer drivers ensures reliable printing, scanning, and overall performance. Updated drivers improve compatibility with Windows and macOS, provide access to the latest features, and help resolve software-related issues. If you encounter wireless or printing problems, a few simple troubleshooting steps can usually restore normal operation.
Install the Latest HP Printer Drivers
Installing the correct drivers is essential for your printer to communicate properly with your device.
Follow these steps:
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Visit the official HP Support website or open the HP Smart app.
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Search for HP LaserJet MFP M140w.
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Download the latest driver compatible with your operating system.
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Open the downloaded installation file.
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Follow the on-screen instructions and select Wireless Connection when prompted.
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Allow the installer to detect your printer automatically.
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Complete the installation and print a test page to confirm everything is working correctly.
Keeping your printer drivers updated also helps improve performance after Windows or macOS updates.
Troubleshoot HP LaserJet MFP M140w Wi-Fi Issues
If your printer won't connect to Wi-Fi, appears offline, or fails to respond, try these troubleshooting steps before repeating the setup process.
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Verify that the printer is connected to a 2.4 GHz Wi-Fi network.
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Ensure you've entered the correct wireless password.
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Restart your printer, router, and computer.
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Move the printer closer to your wireless router to improve signal strength.
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Update the printer firmware through the HP Smart app.
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Remove the printer from your device and add it again if necessary.
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Reset the printer's wireless settings if the problem persists.
Most wireless connection problems are caused by incorrect network settings, outdated firmware, or weak Wi-Fi signals, and these steps can resolve them quickly.
If your HP LaserJet MFP M140w displays an error message or code during setup, check out our guide on HP printer display error codes to identify the issue and apply the appropriate solution.
Tips for Reliable Wireless Printing
Following a few best practices can help maintain a stable wireless connection and consistent print quality.
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Keep the printer within range of your Wi-Fi router.
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Avoid placing the printer near thick walls or electronic devices that may interfere with the wireless signal.
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Regularly update the HP Smart app, printer drivers, and firmware.
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Restart your router occasionally to maintain a stable network connection.
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Use genuine HP toner cartridges for optimal print quality and performance.
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Print a test page after major software or network changes to verify the printer is working correctly.
By keeping your printer software up to date and maintaining a strong wireless connection, you can minimise connectivity issues and enjoy reliable printing for both home and office use.
Need Help Connecting Your HP LaserJet MFP M140w?
If you're having trouble connecting your HP LaserJet MFP M140w to Wi-Fi or installing the correct drivers, Technofy can help. Our experts provide printer setup, troubleshooting, and wireless support to get your printer working quickly. Contact Technofy for fast and reliable assistance.
Conclusion
Connecting your HP LaserJet MFP M140w to Wi-Fi is simple when you follow the correct steps. By using the HP Smart app, installing the latest drivers, and applying basic troubleshooting tips, you can enjoy reliable wireless printing. If you own models like the HP LaserJet MFP M139w, M139we, M140a, M140we, or M141w, many of the same setup steps also apply.
Frequently Asked Questions
How do I connect my HP LaserJet MFP M140w to Wi-Fi?
Use the HP Smart app or the WPS method. Select your Wi-Fi network, enter the password, and follow the on-screen instructions to complete the connection.
Why won't my HP LaserJet MFP M140w connect to Wi-Fi?
Check that you're using a 2.4 GHz network, verify the Wi-Fi password, restart the printer and router, and reset the wireless settings if needed.
Do I need the HP Smart app to connect the printer?
The HP Smart app is the recommended option because it simplifies setup. You can also use WPS if your router supports it.
How do I reset the wireless settings on my HP LaserJet MFP M140w?
Press and hold the Wireless button until the indicator flashes. The printer will enter setup mode so you can reconnect it to your Wi-Fi network.
Is the HP LaserJet MFP M140w compatible with Windows and Mac?
Yes. It works with Windows, macOS, Android, and iPhone, supporting wireless printing and scanning through the HP Smart app.






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