How can I connect my canon PIXMA to my Mac book Pro?

If you have an existing printer installation for this printer, remove it.

If you haven't already, download and install/reinstall the latest software package from the Canon website for that printer. Canon has many PIXMA printers, be sure you get the right model's package.

Then Add a printer to your printer list so you can use it on Mac - Apple Support. Choose OS 12

Please refer to About AirPrint - Apple Support

There are 1,666 Canon printers on that list but none of them are "PIXMA". Can you provide a more accurate model designation? For example: List of AirPrint Compatible Canon Printers

For general assistance with printing, please refer to Check if a printer is working or has a problem on Mac - Apple Support

I can assure you that most Canon Pixma printers work fine with a Mac. I have a Pixma 7520 that's worked well for many years. (But it would have helped if you'd provided the printer model number). There are, however, some Pixma printers that are not compatible with MacOS.

I'd make the following comments:

• Make sure your MacOS is up to date.
• On your printer, make sure it's connected to WiFi.
• On your Mac, if the printer is in your list of installed printers, delete it. Then try adding it back.