Q3. Can I send scanned data to my PC without disabling the firewall setting?

Open the [Windows Firewall Setting] window.

Open the Start menu, then click [Control Panel] - [Windows Firewall].
When [Control Panel] is displayed in Classic View, double-click [Windows Firewall].

On the [Exceptions] tab, select [File and Printer Sharing] and click [OK].

Open the Firewall window.

In Windows 7, open the Start menu, then click [Control Panel] - [System and Security] - [Check firewall status].
When [Control Panel] is displayed in Classic View, double-click [Windows Firewall].

In Windows 8.1/10, while pressing the [Windows] () key, press the [X] key, and then click [Control Panel] - [System and Security] - [Check firewall status] in the displayed menu.

Click [Advanced function].

Select [Inbound Rules] and click [New Rule].

Select [Port] and click [Next].

Select a protocol, enter the port number in [Specific local ports] and click [Next].

Ensure that [Allow the connection] is selected, and click [Next].

Select the check boxes for the profiles that match the environment for using this machine, and click [Next].

Enter the name and description of the firewall and click [Finish].

Check that the firewall name you have set is displayed in [Inbound Rules].