Start by checking the WiFi indicator on the printer — if the radio is off, nothing else will work. Here’s the full fix from radio enable to IJ Network Utility.
Most Canon PIXMA models have a dedicated WiFi button on the control panel that toggles the wireless radio on and off. If the WiFi indicator light is off or blinking amber, the radio is disabled — the printer won't appear on any network scans regardless of your router settings. Press and hold the WiFi button to re-enable it.
Canon PIXMA printers store WiFi credentials in non-volatile memory. If your router's password changed — after a router reset, ISP visit, or security update — the printer keeps trying to authenticate with the old password and fails silently. Re-running the Wireless Setup Wizard clears the stored credentials and lets you enter the current ones.
Most Canon PIXMA models (MG, MX, TS, and TR series) support only 2.4 GHz WiFi. If your router broadcasts a combined SSID or a separate 5 GHz SSID and the printer latches onto the 5 GHz signal, the connection will fail. The printer needs to be pointed specifically at a 2.4 GHz network.
AP Isolation (also called Client Isolation or Wireless Isolation) prevents WiFi devices from communicating directly with each other — only with the internet. When enabled on your main home network, your computer can't send print jobs to the printer's local IP address even though both are on the same WiFi. Disabling it is safe on a home network.
Look at the printer's control panel. The WiFi button usually has a small indicator light next to it. If the light is off or blinking amber (not solid blue), the wireless radio is disabled. Press and hold the WiFi button for 3–5 seconds until the light blinks, then wait for it to go solid blue. The printer is now in wireless connection mode.
On the printer's control panel, go to Setup (the wrench icon) → WLAN Settings → Wireless LAN Setup (or Wireless Setup Wizard on newer models). Select your network from the list of available SSIDs and enter your current WiFi password. The printer will run a connection test and display a success or failure result within about 60 seconds.
When the Wireless Setup Wizard shows the list of available networks, look for your 2.4 GHz SSID specifically. If your router broadcasts separate SSIDs (e.g., 'MyNetwork' and 'MyNetwork_5G'), select the one without '5G.' If you use a combined SSID, consider splitting your bands in your router's wireless settings to give the printer a clear 2.4 GHz target.
After completing the Wireless Setup Wizard, print a Network Settings page: Setup → Device settings → Print LAN details (or press and hold the WiFi button for 3 seconds on some models). Check the IPv4 Address field — a valid IP (not 0.0.0.0) confirms the printer connected to your router successfully.
Log into your router's admin panel (typically at 192.168.1.1 or 192.168.0.1) and look in the Wireless or Advanced settings section for 'AP Isolation,' 'Client Isolation,' or 'Wireless Isolation.' If it's enabled on your main network (not just a guest network), disable it. This setting is safe to turn off on a home network and is a common cause of printers connecting to WiFi but being unreachable for printing.
Download Canon's IJ Network Device Setup Utility from Canon's support site and run it on your computer. The utility scans your network for Canon printers, shows their connection status, and can reconfigure them without requiring you to navigate the printer's menu again. Use the 'Add printer using search' option to find and re-register your PIXMA.
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