The common issue of Canon printer offline can be resolved by the following ways: Restart the printer and the system and Check the cable to verify if the connections are proper, Navigate through Start > Control Panel > Devices and Printers. Here you have to choose your Canon printer from the list of options and choose Use Printer Online then You can right-click on the Print button in the taskbar, then cancel all pending jobs., Update your Printer drivers by downloading them from the official website.