When a Canon printer shows as offline, it means the device is not communicating with your computer or network, preventing print jobs from being processed. Common causes include connectivity issues, incorrect printer settings, or driver problems. Start by ensuring that the printer is properly connected to your computer or network and that it is powered on.

Check the printer's status in the control panel and make sure it is set to "online." Restart both the printer and your computer to reset the connection. Additionally, update or reinstall the printer drivers if needed. If the issue persists, consult the Canon support website or contact customer service for further assistance.

In conclusion, addressing a Canon printer offline issue involves checking connections, settings, and drivers to restore functionality.