After checking all the wires if nicely linked or no longer. Now, test for the wireless connectivity. The first actual factor that you have to do is to restart your router and your mac. Now, open the Mac and pick out the “default printer” by from the “device preference” in settings. To know more you need to visit on this link: Canon Printer Offline. It ought to occur that your Mac is connected with the second one printer and that’s why it’s displaying offline. Hence, take away all of the different printers out of your device after which hook up with the only that you need.