To send scanned files by Scan to Folder, you must first perform the following:
Creating a shared folder on a computer running Windows/Confirming a computer's information
Creating a shared folder on a computer running OS X or macOS/Confirming a computer's information
You can create the shared folder under Windows Vista or later, Windows Server 2003 or later, and OS X 10.2 or later.
Files can be sent via SMB using the SMB (139/TCP, 137/UDP) or CIFS (445/TCP) protocol.
Files can be sent via SMB (139/TCP, 137/UDP) in a NetBIOS over TCP/IP environment only.
Files cannot be sent via SMB in a NetBEUI environment.