For Canon Printer Offline, uninstall & reinstall the printer driver manually. After downloading the required drivers, follow these steps. By simultaneously pressing the Windows key and R on the keyboard, launch Run. Open Device Manager and click Print Queues. Next, choose Update Driver by performing a right-click on the printer hardware. Additionally, the popup will ask you, "How do you wish to search for the driver?" Choose Browse my computer for driver software. Select the option to install your printer's drivers & make the necessary updates. Restart your system now.