If your Canon Mg7520 Not Printing, it could be due to connection issues, outdated drivers, or printer queue errors. Make sure the printer is properly connected to your Wi-Fi or computer and that there’s enough ink and paper. Check for any error messages on the display panel and clear pending print jobs. Updating or reinstalling the printer drivers can also help fix the issue. Regular maintenance, like cleaning the printhead, can prevent printing problems and ensure smooth performance.