If the Canon Printer in Error State, check the connections effectively. First and foremost, the person must make ascertain that the printer & computer are connected properly. Alternatively, see if there is no problem with the wireless cable or network that you are using. You are expected to create the power connection if there is guilt between connections. Further, you must also execute the test print job if the problem is still there. This will easily solve your issue related to the Canon printer.
