Canon printer offline is a very hectic issue to deal with and can be a very heavy task to deal with and it can be easily fixed by using these steps below:
To reinstall the drivers, go to "Settings," then "Printers," and choose the printer.
Right-click on the printer and select "Properties" from the context menu.
Find the driver button under "General" or "Details," choose it, and then pick the driver once again.
You may also need to download the driver from the printer's manufacturer's website.
Re-install the printer.
Remove the printer from the menu and reinstall it using the "Add a printer" process.