If your Canon printer won’t connect to WiFi, common causes include an incorrect wireless password, weak signal, incompatible router settings, or an incomplete setup. The problem can also appear after replacing your router, changing your network name, or updating your WiFi password.

This guide explains why a Canon printer is not connecting to WiFi, how to restore its wireless connection, and what to check when the printer connects but your computer cannot find it. Menu names and button sequences vary by model, so use the setup instructions for your exact printer.

Why Is My Canon Printer Not Connecting to WiFi?

Several issues can interrupt a wireless connection:

• Incorrect WiFi password: Passwords are case-sensitive, and an extra space can cause authentication to fail.
• Unsupported network band: Some Canon printers support only 2.4 GHz; other models also support 5 GHz.
• Weak wireless signal: Distance, walls, and interference can prevent a stable connection.
• Changed router settings: The printer may still have the previous network name or password saved.
• Incompatible security settings: The router’s wireless security mode may not match what the printer supports.
• WiFi disabled on the printer: Wireless networking may be turned off or configured for a different connection method.
• Network isolation: Guest networks can prevent computers and printers from communicating.
• Computer setup problems: Missing software or an outdated printer entry can prevent detection even when WiFi works.

Canon confirms that replacing a router or changing its security settings can require setting up the printer’s wireless connection again.

How to Fix a Canon Printer That Won’t Connect to WiFi

1. Check the Printer and Wireless Network

Start with these basic checks:

• Turn on the printer and clear any error shown on its display.
• Confirm that wireless networking is enabled.
• Check whether your phone or computer can connect to the intended WiFi network.