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PIXMA TS3450 refuses to connect to Wi-fi


My printer TS3450 just refuses to connect to wi-fi after entering the password.

Recently I got new router so I'm trying to reconnect my printer to new router which is became very difficult to connect.

Once I enter my wi-fi password on Android Canon application printer just won't  connect and show 'x' next to the wi-fi icon.

I restarted my router and printer, I also reinstalling the application on  my Android phone, tried connecting from my Windows 11 laptop.


The I decided to run the Canon's troubleshooting  tool and it printed out  'C-5' error suggesting that either router or wi-fi are offline which  they are not. It also suggested that security key is mismatch and I have no idea how to make the security keys match.


It would be great if I could get the assistance regarding the issue that I'm experiencing with my printer.


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