How to Change the Wi-Fi Password on an Epson Printer: 3 Proven Methods

Changing the Wi-Fi password on a printer Epson — a problem faced by both home MFP owners and office workers. The reasons can vary, from a simple password leak to the need to improve network security after purchasing a used device. However, the printer interface Epson It's not always intuitive, and the instructions in official manuals are often vague or out of date.

In this article we will look at three main ways changing the password - through the printer control panel, web interface and mobile application Epson Smart PanelWe will pay special attention to common mistakes, which block access to settings, and we'll explain how to reset network settings to factory defaults if standard methods don't work. You'll also find a table of method compatibility with popular printer models. Epson (from L3110 to WorkForce Pro WF-7840).

Before you begin, make sure your printer is connected to your Wi-Fi network (the wireless indicator is green or blue). If the device is not connected, first set up a connection via Menu → Wi-Fi Settings or button WPS on the router.

1. Changing the password via the printer control panel

The most universal method that works on most models Epson with a display (for example, EcoTank L3250, WF-2860). Suitable if you don't have access to a computer or router, but you do have physical access to the printer.

Instructions:

• 📱 Turn on the printer and wait for the main menu to load. Press the button Settings (usually indicated by a gear or wrench).
• 🔧 Go to the section Net or Wi-Fi (the name may differ depending on the model).
• 🔒 Choose Security settings → Wi-Fi password or WPA/WPA2-PSK.
• ✏️ Enter your new password using the on-screen keyboard. Use the combination 8+ characters (numbers, letters, special characters).
• 💾 Save the changes and reboot the printer (button Nutrition).

⚠️ Attention: On printers without a touch screen (e.g. Epson L120) navigation is carried out using buttons ←→↑↓ And OKTyping may take longer - please be patient.

If the printer does not connect to the network after changing the password, check:

• 🔄 Does the new password match your router's password (if the printer is connecting to an existing network).
• 📶 Is the printer within Wi-Fi range (no further than 10 meters from the router).
• 🔌 Is the router's firewall blocking the new device? (Check the list of connected clients in the router's web interface.)

2. Changing the password via the Epson web interface

A more convenient method for users whose printer is already connected to the local network. Web interface Epson Allows you to manage settings via a browser on your computer or smartphone.

How to open the web interface:

1. Find out the printer's IP address:
   • Print Network report (in the printer menu: Settings → Network → Print Report).
   • Or check the list of devices in the router control panel (usually at 192.168.0.1 or 192.168.1.1).

Enter the printer's IP address into your browser's address bar (e.g. 192.168.0.105).

Log in (default login: admin, password: admin or empty).

Next:

1. Go to the section Wireless LAN or Wi-Fi.
2. Select Security → WPA/WPA2-PSK.
3. In the field Passphrase Enter a new password.
4. Save changes (Apply or Submit).

⚠️ Attention: After changing the password, the printer automatically disconnect from the network and will require reconnection. If you use the printer in the office, warn your colleagues about the temporary connection interruption.

What should I do if the web interface doesn't open?

If the settings page doesn't load, check:

- Is the Windows/macOS firewall disabled (it may block local connections).

- Is the computer connected to the same network as the printer?

- Are the printer's network settings corrupted (try rebooting it).

- Has the printer's IP address changed (reprint the network report).

3. Using the Epson Smart Panel mobile app

For smartphone owners on Android or iOS the easiest way is an app Epson Smart PanelIt automatically finds printers on your local network and allows you to manage settings without entering IP addresses.

Step-by-step instructions:

1. Download and install Epson Smart Panel from App Store or Google Play.
2. Turn on Bluetooth and Wi-Fi on your smartphone.
3. Launch the application and select your printer from the list.
4. Go to the section Printer settings → Net → Wi-Fi.
5. Click Change password and enter a new one.
6. Confirm the changes and wait for the printer to reboot.

⚠️ Attention: The app may not detect the printer if:

• 📵 The printer is connected to a 5 GHz network, and the smartphone is connected to 2.4 GHz (or vice versa).
• 🔌 The protocol is disabled on the router mDNS (required for automatic device search).
• 🛡️ The router's firewall is blocking local communication.
📊 Which password change method is most convenient for you?
Through the printer panel
Web interface
Mobile application
Another option

If the application gives an error "Unable to connect", try:

• 🔄 Restart the printer and smartphone.
• 📲 Remove the printer from the list of devices in the app and add it again.
• 🌐 Connect to the same Wi-Fi network as the printer (not via mobile data).

4. Resetting the Epson printer's network settings

If you have forgotten your current password or your printer is frozen after an unsuccessful change, you may need to complete reset of network settingsThis procedure will reset your Wi-Fi settings to factory defaults, but will not affect other settings (such as ink counters).

How to reset settings:

1. Turn off the printer.
2. Press and hold the button Stop/Cancel (or Recovery on some models) and hold it.
3. Turn on the printer without releasing the button for 10-15 seconds, until all indicators flash.
4. Release the button. The printer will print a test page confirming the reset.

After reset:

• 🔄 Set up your Wi-Fi connection again (as you did when you first turned it on).
• 🔐 Set a new password using one of the methods described above.
• 🖨️ Reinstall the drivers on your computers if the printer is not detected.

⚠️ Attention: On models Epson EcoTank You can reset Wi-Fi settings only through the menu: Settings → Network → Reset network settingsA hardware reset (button) on these printers resets all parameters, including ink counters!

5. Common mistakes and their solutions

Even when following the instructions, users encounter common problems. Let's look at the most common ones:

Error 1: The printer does not save the new password.

• 🔄 Check if your password is too long 32 characters (maximum length for most models Epson).
• 📵 Make sure your password does not contain Cyrillic characters or spaces.
• 🔌 Restart your printer and router.

Error 2: The printer's web interface does not open.

• 🌐 Check that the computer and printer are on the same subnet (for example, both have an IP of the type 192.168.0.x).
• 🔒 Disable VPN or proxy on your computer.
• 🔄 Try a different browser (for example, Firefox instead of Chrome).

Error 3: The printer connects to Wi-Fi but does not print over the network.

• 🖨️ Reinstall the printer driver on your computer (download the latest version from the website Epson).
• 🔧 Check your router settings to make sure the mode is not enabled. Isolation of clients (it blocks interaction between devices on the network).
• 📡 Try connecting the printer via USB cable and setting up the network again.

⚠️ Attention: On some routers (for example, TP-Link or Keenetic) printers Epson can be blocked by the function ARP Spam ProtectionDisable it in your local network settings.

6. Additional security measures

Changing your password is just the first step to protecting your printer. Let's look at how to make your network even more secure:

1. Update your printer firmware

Outdated software may contain vulnerabilities. Check your firmware is up-to-date:

• 🖥️ Via the printer's web interface: Settings → Software Update.
• 🌐 On the website Epson in the support section for your model.

2. Configure MAC address filtering

In your router, restrict network access to only authorized devices:

1. Find the MAC address of the printer (type Network report).
2. In the router's web interface, add it to the list of trusted devices.

3. Disable WPS

Protocol WPS Vulnerable to brute-force attacks. Disable it in your router settings if you don't use it.

4. Use a separate network for IoT devices

Create a guest network on your router specifically for your printer and other smart devices. This will restrict their access to the main network.

FAQ: Answers to Frequently Asked Questions

Is it possible to change the Wi-Fi password on an Epson printer without a display (e.g. L120)?

Yes, but only through the web interface or mobile app (if supported by the model). On printers without a display, changing the password through the control panel is not possible—it requires a connection to a computer or router.

After changing the password, the printer won't connect to Wi-Fi. What should I do?

Check:

• Does the new password match the router password (if the printer is connecting to an existing network).
• Has the security mode on the router changed (for example, from WPA2 on WPA3).
• Does the antivirus software on your computer block network communication?

If nothing helps, reset the printer's network settings (see section 4).

How do I find the current Wi-Fi password on my Epson printer?

The printer does not store the password in clear text, but you can:

• Type Network report - the current one will be indicated there SSID (network name), but not the password.
• View the password in the router settings (if the printer is connected to your network).
• Reset the printer settings and set up the connection again.

Is this guide suitable for Epson printers with Wi-Fi Direct support?

No, Wi-Fi Direct — This is a separate mode in which the printer creates its own network. The password for it is changed in the menu. Wi-Fi Direct (not to be confused with regular Wi-Fi). In most cases, the default password for Wi-Fi Direct indicated on the sticker on the printer body.

Is it possible to change the password on an Epson printer via a USB cable?

No, the USB cable is only used for transferring print or scan data. Changing network settings (including the Wi-Fi password) requires a network connection or access to the printer's control panel.