How do I troubleshoot a "Canon printer is in use or an error has occurred" message on a Windows computer?

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Grade: Education Subject: Support
How do I troubleshoot a "Canon printer is in use or an error has occurred" message on a Windows computer?
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On Windows, first try canceling any stuck print jobs in the print queue. Access the queue via Devices and Printers in the Control Panel or Settings. Then, restart both the printer and the computer. If the error persists, update the printer drivers from the Canon website. Finally, check the printer's physical connections (USB or network) and the paper tray for issues.