Being an electronic device, a printer can show you several different errors at different times. canon printer offline is one such error that is caused due to improper printer settings. Issues with the connectivity of the printer with the power source of printer settings can cause such errors. The best way to fix it is to establish the connections again. You can also connect with our printer support team and seek their help in checking printer settings. Your printer might be set to use in offline mode. Connect now and get your printer started in no time.