Modern office equipment has long since ceased to be simply a device for printing paper copies, becoming a complex network node that requires a stable connection. When you ask yourself how to check the Wi-Fi on a printer, you're essentially troubleshooting the entire local network, as the speed and reliability of printing depend on the signal quality. The absence of a wired connection allows for the freedom to place the device anywhere in the room, but in exchange, it requires careful configuration of security settings and frequency bands.
Primary diagnostics begin with an analysis of the physical indicators on the device's body, which often provides more accurate results than software polls. Indicator light The wireless network indicator light may be solid, indicating a successful connection, or flashing, indicating network searching or packet loss. If the light doesn't light at all, the problem may lie in a disconnected module or a hardware failure, requiring further investigation.
It is important to understand that the operating system software and built-in web interfaces MFP They may display conflicting information. The computer may see the device in the list of available devices but be unable to send a print job due to an IP address conflict. This is why a comprehensive check includes not only a visual inspection but also an analysis of the network settings via the device's menu.
Visual diagnostics and status indicators
The first step in checking your printer's WiFi is to carefully examine the control panel. Most models from leading manufacturers, such as HP, Canon or Epson, equipped with a dedicated wireless button or a full information panel. Connection status is displayed here more quickly, without the delays typical of polling via Windows drivers.
Pay attention to the blinking pattern of the indicator. If it flashes blue at a regular interval, the device is waiting for a connection or is attempting to reconnect. The horizontal row of signal strength indicators, reminiscent of the signal strength bar on a smartphone, is also an excellent diagnostic tool. Signal level Less than two divisions may result in timeouts when sending large documents.
⚠️ Note: On some models, the WiFi indicator may glow orange or amber. This doesn't always indicate an error; it often indicates Wi-Fi Direct mode or a connection to a network with limited internet access.
If the case doesn't have a display, but only a single flashing button, use key combinations to display the report. For example, on many devices Brother Holding the wireless button for a few seconds initiates printing a configuration page. This document contains comprehensive information about the current status of the module and the parameters received from the router.
Printing the network configuration page
The most reliable way to test your printer's WiFi without using a computer is to print a network configuration report. This document is generated by the device's internal processor and contains up-to-date information about the MAC address, current IP address, SSID of the connected network, and security status. This function is typically accessed through a menu or a button combination.
To receive the report, you need to navigate to the settings section on the display. MFPDepending on the model, the path may look like this Settings → Network → Network Report or Menu → Report → Network ConfigIf there is no display, holding the Cancel or Wireless button for 5-10 seconds before printing often works.
In the received document you are interested in the section Wireless or Wi-FiYour network name (SSID) should be listed here. If the name is "Disconnected," "Off," or a dash, it means the module is physically working, but there is no logical connection to the router. Also check the line Link Status - it should have the value "Connected".
Pay special attention to the IP Address field. If you see an address starting with 169.254.x.x, this means the device was unable to obtain an address from the router's DHCP server. In this case, the printer has switched to a self-assigned APIPA address, and full network operation is impossible until the cause of the failure is resolved.
Checking the connection via a computer and smartphone
Software diagnostics from a PC allow you to see the device through the operating system's eyes. In Windows, you can open the printer list through the Control Panel or System Settings. If the device is shown as "Offline" or "Use Offline," the printer's WiFi test switches to port configuration.
Go to the device properties and select the "Ports" tab. The port with the type Standard TCP/IP PortClick "Configure Port" and check if the IP address in the port settings matches the address you saw in the configuration report or on the router display. An address mismatch is a common reason why the computer "sees" the printer but doesn't print.
Smartphone owners can use utility apps from manufacturers such as HP Smart, Canon PRINT or Epson iPrintThese apps scan the local network and display the device's status. If the app finds the printer but displays "No internet connection" on the device itself, the problem lies with the router's network connection, not the MFP's WiFi module.
☑️ Diagnostics via OS
For macOS users, the path is through System Preferences → Printers & Scanners. Once you select a device, you can see its location and connection type. If the type is listed as Bonjour or AirPrint, this confirms that the device is correctly broadcasting its services to the network, and the problem is most likely software-related.
Using the Web Interface (EWS) for Deep Diagnostics
The most powerful tool for professional testing is the Embedded Web Server (EWS). This is the printer's built-in web page, accessible via its IP address. To access it, enter the device's IP address in the address bar of any browser. The EWS interface provides access to logs, security settings, and detailed connection statistics.
In the section Networking or Wireless The web interface allows you to see not only the connection status but also the noise level, the device's channel, and the encryption type. This helps eliminate frequency conflicts. For example, if a printer is operating on channel 1, and a powerful neighboring router is also on channel 1, the data transfer rate will be critically low.
A "Network Test" or "Diagnostics" function is often available here, which automatically checks for a gateway, DNS, and time server availability. If the test shows a DNS error, the printer may connect to the router, but it won't be able to send scans to email or update firmware.
⚠️ Note: The EWS interface may not open if your computer and printer use different security protocols or if your browser blocks insecure connections (HTTP instead of HTTPS). Try using incognito mode or a different browser.
The Security tab in EWS allows you to check whether your device is blocked by your router's firewall settings. Sometimes, administrative restrictions on the router's end can prevent normal operation. MFP on the local network, cutting off the ports needed for printing.
Analyzing router settings and frequency ranges
Often, the problem isn't with the printer itself, but with the access point configuration. Modern routers operate in two bands: 2.4 GHz and 5 GHz. Most office and home printers only support the 2.4 GHz band. 2.4 GHzIf your router broadcasts a 5 GHz network with the same name (SSID) or doesn't have a separate 2.4 GHz network at all, the printer may not see the network or connect to it.
Check your router settings to see if AP Isolation is enabled. If this feature is enabled, devices connected via WiFi cannot "see" each other, making printing from a laptop impossible, even though both devices have internet access. It's also worth checking MAC address filtering—your printer's address may have been accidentally blacklisted.
For stable operation, it is recommended to assign a static IP address to the printer in the router's DHCP settings. This will prevent a situation where, after a router reboot, the printer receives a new address, but the computer continues to send jobs to the old, lost address.
| Parameter | Recommended value | Impact on work |
|---|---|---|
| Frequency range | 2.4 GHz (802.11 b/g/n) | Provides compatibility with older modules |
| Encryption type | WPA2-PSK (AES) | A security standard supported by most devices |
| Channel width | 20 MHz | Reduces interference in apartment buildings |
| DHCP Lease Time | More than 24 hours | Prevents frequent changes of the device's IP address |
Why doesn't the printer see the 5 GHz network?
The WiFi modules in most printers are single-band and physically cannot receive a signal at 5 GHz. Even if the router broadcasts a network with the same name on both bands, the printer will attempt to connect to 2.4 GHz. If the router is configured for "5 GHz Only" mode, connection is impossible.
Reset network settings and reconnect
If software-based Wi-Fi testing on the printer fails or reveals irreparable configuration errors, a radical yet effective solution remains: resetting the network settings. This clears the module's internal memory of all saved profiles, passwords, and static IP addresses, returning them to factory defaults.
The reset procedure varies. On devices with a screen, it's usually Settings → Network → Restore network settingsOn models without a display, you often need to press and hold the "Wireless" and "Cancel" (or "Copy") buttons simultaneously for 10-15 seconds. After the reset, the indicators should start flashing, indicating that you've entered setup mode.
After the reset, you'll need to run the WiFi setup wizard again. The printer will scan the air and offer a list of available networks. Select your network and enter the password. It's important to enter the password carefully, paying attention to the case, as printer screens often don't allow easy editing of characters.
In some cases, especially on older models, a full firmware update may be required after a reset. Manufacturers regularly release updates that improve compatibility with new routers and WPA3 security protocols. You can check for updates through the web interface or PC utilities.
Common errors and how to fix them
During diagnostics, users often encounter common errors. A "Not found" error when searching for a network may indicate that the printer is too far from the router or the signal is blocked by metal structures, mirrors, or microwaves. In this case, moving the router or using a WiFi repeater can help.
The "Incorrect Password" error may occur even if the password is entered correctly if MAC address filtering is enabled on the router or an encryption type is selected that is not supported by the printer (for example, TKIP instead of AES). It's also worth checking whether the SSID (Hidden Network) feature is enabled on the router—many printers cannot connect to hidden networks manually.
If the printer connects but periodically loses connection, check the number of connected clients. Budget routers may not be able to handle a large number of devices, dropping "lower priority" ones, which often include printers. In this case, upgrading to a router with support for more clients or setting up a guest network for IoT devices may help.
Why did my printer stop printing after changing my router?
When replacing a router, the network settings (SSID, password, IP address range) change. The printer continues to search for the old network. You need to reset the printer's network settings and reconnect it to the new network as if it were a new one.
Is it possible to connect a printer to a 5 GHz network?
Only if the printer model clearly supports the 802.11ac or ax (WiFi 5/6) standard. Most office models only support 2.4 GHz. Check the specifications for your model on the manufacturer's website.
What should I do if my computer can't see my printer on the network?
Make sure your computer and printer are on the same subnet (the first three digits of the IP address match). Check to see if your antivirus or Windows Firewall is blocking network device detection.
How to find out the IP address of a printer without printing a report?
You can use the command line utility. Enter arp -a in the Windows command line and search the list for the device by MAC address (indicated on the sticker on the back of the printer) or use a network scanner like Advanced IP Scanner.