blocked ports in the firewall If your computer is connected to a VPN (Virtual Private Network), temporarily disconnect from the VPN and try the setup again. MG3620 / MG3622 Page
If you are attempting to set up your printer on a wireless network via the Cableless setup method and the POWER lamp does not flash when the Wi-Fi button is pressed, this may be due to the FINE cartridges not being installed in the printer.