
Therefore make sure that the papers are properly inserted in the Machine. Inappropriate paper feeding: The jamming of the printing sheets in the Canon printer is a common cause due to which you may face ‘Offline’ error.Printer spooler error: A technical error in the printer spooler maybe the cause of this offline problem.Use Printer Offline Enable – Offline Status option not disabled that’s why printer may be goes in offline state.Therefore you need to make sure that your printer is selected as ‘Default Printer’. Default settings issue: Wrong default printer settings may be the reason due to which your Canon printer goes offline.

The common reasons for this problem are described in brief below: Canon printer shows offline error occurs when the printer is unable to receive any print commands from the system.
