I cannot connect to Wi-Fi without manually entering the IP address each time.

If your computer's network settings are configured as "Public network," the following [Symptoms] may occur.

Change the network settings to "Private network" and see if the issue improves.

[Procedure]
Note: The following steps use Windows 11 as an example.
Attention: You must be signed in with administrator privileges.

1. Right-click the Windows Start button and click "Network Connections".
2. Click "Properties".
3. Under "Network profile," select "Private network."
4. Restart your computer, and check whether ScanSnap connects to ScanSnap Home automatically via Wi‑Fi.