Canon printers can use smart devices to send router information to the printer for wireless connection. To Connect Canon Printer to WiFi you need to use a wireless device. If you use a computer, you need to download a software installer to send wireless network information to the printer without directly connecting the cable let's see Smart Device Hookup Method to Connect Canon Printer to WiFi.

If the printer is connected to a wireless network using a smart device such as a smartphone, users can download the free app to connect the wireless Canon printer via an iOS or Android device.

For iOS devices, the SELPHY app is used.
For Android devices, the Canon Print Inkjet app is used