I think your error message is different than what many other users have been receiving. But it is always worth a try to see if it fixes the problem for some folks.
Windows will allow you to change or update a driver even if there is one that Windows says is the best one. You need to follow the steps very carefully. Don't let Windows select the driver.
I think you have to do this sequence:1. Open Control Panel2. Open Device Manager3. Open Imaging Devices4. Open 1st Canon MF720C series5. Select Driver tab6. Select Disable Device7. Repeat 4, 5, and 6 for second Canon MF720C series8. Open 1st ...
I appear to have solved my small bug described above. I downloaded and installed the latest Canon driver for my MF729CDW multi-unit. This driver is dated 1-17-25. Not sure how long it has been available. The Canon download site does not detect Wi...