Canon printer in error state refers to a common issue where the printer displays an error message and stops functioning. This can be caused by paper jams, low ink, driver issues, or connectivity problems. Troubleshooting steps like restarting the printer, checking connections, updating drivers, and clearing jams can help fix the error. https://www.canonprintersupportpro.us/blog/fix-canon-printer-in-error-state-issue/