If your canon printer offline mac, it may be due to connection issues, outdated drivers, or incorrect settings. Reconnecting your printer, updating the software, and checking your network can help restore printing. This guide helps you quickly troubleshoot and get your Canon printer back online.
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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.