Visit the Apple Menu to find a fix for the Canon printer offline issue on MAC. Additionally, select Printer & Scanner under System Preferences. A pop-up window will also appear in the left panel. Utilize the right-click menu to reset the printing system. Additionally, your login name and password will be required. After entering both credentials, click OK. Before the printer list appears, a brief delay will occur. Use the plus symbol to add the printer one more time in the end.