How to Connect the HP LaserJet Pro MFP M125rnw to Wi-Fi: A Complete Guide with Pictures and Tips

Multifunctional device HP LaserJet Pro MFP M125rnw — is one of the most popular solutions for home offices and small businesses thanks to its combination of laser printing, scanning, and copying in a compact design. However, its key advantage—wireless connectivity—often becomes a source of problems for users. According to service center statistics, up to 30% of calls for this model are related to Wi-Fi configuration errors.

In this article you will find detailed instructions on connecting the MFP to Wi-Fi Taking into account all the nuances: from choosing the right network mode to resolving common errors like the printer not being visible in the device list. We'll cover the three main setup methods (control panel, WPS, and USB), and also provide recommendations for optimizing printer performance on a wireless network. Particular attention is paid to compatibility with modern Wi-Fi 6 routers and the specifics of operation in dual-band networks (2.4/5 GHz).

If you have already tried to connect the device and encountered an error, use diagnostic section, which contains solutions to 90% of common problems. For beginners, a preparation checklist has been prepared to help avoid common mistakes before even starting setup.

1. Preparing for connection: what you need to check before starting setup

Before you start setting up Wi-Fi on HP LaserJet Pro MFP M125rnw, make sure all system components are ready to use. Skipping this step often leads to errors like "no networks found" or "incorrect password," although the problem lies in basic issues.

First, check physical condition of devices:

• 🔌 The printer must be plugged into a power outlet and turned on (the power indicator is green). If the indicator is blinking orange, this indicates code error.
• 📶 The router must be turned on and broadcasting Wi-Fi (check that the WLAN/2.4G/5G indicators are lit). Some router models have scheduled Wi-Fi shutdowns—make sure this isn't the case.
• 💻 The computer or mobile device from which you will set up the printer must be connected to the same network, to which you plan to connect the MFP.

Second, gather the necessary information about your network:

A critical moment: printer HP LaserJet Pro MFP M125rnw supports networks only 2.4 GHzIf your router is in the mode 5 GHz or in mixed mode with separate SSID (for example, MyWiFi_2G And MyWiFi_5G), make sure you're connecting to a 2.4 GHz network. Otherwise, the printer simply won't see your network.

Make sure the printer is turned on and ready to print|

Check that the router is distributing Wi-Fi in the 2.4 GHz range|

Prepare network name (SSID) and password|

Connect your computer/smartphone to the same network|

Disable VPN on the setup device (if used)|

Check for the latest printer firmware (see section 5)-->

2. Method 1: Connecting via the printer control panel (step by step)

This is the most universal method, which works regardless of whether your router has WPS or a USB cable. These instructions apply to printers with factory settings or after a reset.

Steps to connect:

1. Activate Wi-Fi on the printer:

   On the MFP control panel, press the button Wireless (antenna icon). If there is no button, go to the menu: Settings → Network → Wireless Network.

2. Select a network:

   Find yours in the list of available networks. SSIDIf there is no network, press Refresh the list or check the router range (should be 2.4 GHz).

3. Enter your password:

   Use the printer's on-screen keyboard to enter your password. Please note: the printer is case-sensitive. For complex passwords, we recommend using USB input method.

4. Confirm connection:

   After a successful connection, a check mark or inscription will appear on the screen. ConnectedThe Wi-Fi indicator on the printer panel should be on. blue (and not flash orange).

If the printer asks IP address or DNS — select an option Auto (DHCP)In 99% of cases, home routers automatically assign addresses to devices.

⚠️ Attention: If your router uses WPA3 encryption, the printer may not connect. In this case, temporarily switch the network to WPA2-PSK In your router settings (under "Wireless" → "Security"). After connecting the printer, you can return to WPA3—the device will retain the settings.

3. Method 2: Quick connection via WPS (in 2 minutes)

Method Wi-Fi Protected Setup (WPS) Allows you to connect your printer to the network without entering a password. This is convenient if your router supports WPS (usually there's a button with that name or the 🔄 icon).

Instructions:

1. On the printer, press and hold the button Wireless (antenna) for 3 seconds until the Wi-Fi indicator flashes.
2. For 2 minutes press the button WPS on the router. It's usually located on the back panel and marked with the corresponding logo.
3. Wait until the Wi-Fi light on the printer turns on blue (the process may take up to 1 minute).

If the connection fails:

• 🔄 Repeat the process, making sure the printer and router are close together (within 1 meter).
• ⚙️ Check if WPS is enabled in your router settings (in some models, this feature is disabled by default).
• ⏱️ Make sure that no more than 2 minutes have passed since you pressed the button on the printer - after this time, the WPS session is reset.

Limitations of the WPS method:

• Does not work if the router does not support WPS (for example, some Apple models or enterprise solutions).
• Can be disabled in the router settings for security reasons (WPS is vulnerable to brute force attacks).
• Doesn't allow you to select a specific network if there are multiple access points in range.

4. Method 3: Connecting via USB and then switching to Wi-Fi

This method is useful if:

• 🖨️ The printer doesn't see your network in the list.
• 🔑 It's difficult to enter the password through the control panel (it's long or contains special characters).
• 📱 You are setting up the printer from a mobile device that does not have a convenient interface for manual connection.

Step-by-step instructions:

1. Connect the printer to the computer via USB cable (included in the kit). Make sure that the drivers for HP LaserJet Pro MFP M125rnw (you can download it from official HP website).
2. Open the program HP Printer Assistant (installed along with the drivers). Go to the section Printer Settings → Wireless Network.
3. Select your network from the list and enter the password. The program will automatically transfer the settings to the printer.
4. Disconnect the USB cable. The printer should save the Wi-Fi settings and connect automatically.

If the printer does not connect to Wi-Fi after disconnecting USB:

• Check that it is not enabled in the router settings. MAC address filter (it can block new devices).
• Restart the printer (turn it off for 10 seconds and then turn it on again).
• Make sure that the program HP Printer Assistant The "Use USB only" box is not checked (Ports section).

⚠️ Note: When connecting via USB, Windows may automatically install the printer as a "local" printer. To avoid conflicts, remove the printer from the device list after setting up Wi-Fi (Settings → Devices → Printers & Scanners) and add it again, selecting the "Wireless Printer" option.

5. Firmware Update: Why It's Important for Stable Wi-Fi

Many connection problems HP LaserJet Pro MFP M125rnw Wi-Fi issues are resolved with a firmware update. The manufacturer regularly releases patches that fix compatibility issues with new routers and security protocols.

How to check and update firmware:

1. On the printer control panel, go to Settings → Reports → Configuration PagePrint the report and find the line Firmware version.
2. Compare it with the latest version on HP website (enter printer model in search).
3. If the version is outdated, download the firmware file (.rfu) and update the printer via:
   • 🖥️ HP Printer Assistant (Device Maintenance section).
   • 🌐 Printer web interface (enter the printer's IP address in the browser).

What does a firmware update provide?:

• 🔄 Fixing network connection errors with WPA3.
• 📶 Improved compatibility with routers based on Wi-Fi 6.
• 🛡️ Patching security vulnerabilities (important for offices).
• 🖨️ Optimizing Wi-Fi printing speed.

If after updating the printer stops connecting to Wi-Fi, reset the network settings: hold down the button Wireless for 10 seconds until all indicators flash. Then repeat the setup from scratch.

6. Typical errors and their solutions (diagnostics section)

Even with proper setup, users often encounter errors. Below are solutions to the most common issues.

If none of the solutions helped, follow these steps: Full printer reset:

1. Turn off the printer.
2. Press the buttons Cancel And Black and white copy.
3. Turn on the printer by holding the buttons for 10 seconds.
4. Release the buttons and the printer will return to factory settings.

⚠️ Note: After resetting, you will need to reconfigure all settings, including language and paper size. The printer's factory settings are: Network = Off, Language = English, Paper size = Letter (for Russia you need to change it to A4).

7. Optimizing printer operation on a Wi-Fi network

After successful connection, we recommend following a few steps to ensure stable operation:

1. Set a static IP address:

This will prevent problems if the router changes the printer's IP address during a reboot. You can do this:

• 🖥️ Via the router's web interface (bind the printer's MAC address to a fixed IP).
• 📄 Via the printer control panel: Settings → Network → IPv4 Setup → Manual.

2. Set up power saving mode:

By default, the printer goes into sleep mode after 5 minutes of inactivity, which can interrupt network tasks. To change this:

1. On the printer panel: Settings → Power Saving.
2. Install Time to sleep = 30 minutes.
3. Disable the option Deep sleep (if any).

3. Check your Wi-Fi printing speed:

If printing is slow, try:

• 📶 Switch the router to a channel 2.4 GHz with less workload (use apps like Wi-Fi Analyzer for ether analysis).
• 🔌 Connect the printer to the router via Ethernet (if possible) for critical tasks.
• 📥 Reduce the print quality in the driver settings (for example, with 1200 dpi on 600 dpi for drafts).

Frequently Asked Questions

1. Find the printer IP (print the configuration page).
2. On the computer: Settings → Devices → Printers and Scanners → Add a Printer → Add Manually via TCP/IP.
3. Enter the printer IP and select the driver HP LaserJet Pro MFP M125.