The Canon printer may disconnect from the laptop for various reasons, including connectivity issues, outdated printer drivers, or other factors. As a result, when you send something to your printer to print, it will not respond and show error messages, such as “ printer is offline .” Moreover, the printer may produce some sound like it’s printing, but nothing comes out. If it’s a wireless connection , the WiFi light on the printer may also stop flashing. I am here to help you