Canon printer showing offline Mac refers to an issue where a Canon printer is not recognized as active or connected on a Mac computer, even though it is powered on and properly connected. This problem can be caused by connectivity issues, outdated drivers, or incorrect printer settings on macOS.

Website - https://www.canonprintersuppor....tpro.us/blog/how-to-

How To Get Canon Printer Online On Mac? - Canon Support

The main reason for not printing any document is that your Canon Printer may get offline. So, to make your Canon Printer Online On Mac.