Fujitsu ScanSnap N1800 Operator's Manual page 399

There is an error with the connection protocol setting.
■ Action
Check if SSL is enabled on the [Admin Connection] window.
For details, refer to
There is an error with the port number setting.
■ Action
Check the specified port number on the [Admin Connection] window.
For details, refer to
In Internet Explorer, [Tools] menu - [Internet Options] - [Advanced] tab,
the [Use SSL 3.0] check box under [Security] in the [Settings] area is not
selected.
■ Action
1. In Internet Explorer, select the [Tools] menu
2. On the [Advanced] tab, select the [Use SSL 3.0] check box under [Security] in the [Settings]
section.
"4.8.8 Setting the Admin Connection" (page
"4.8.8 Setting the Admin Connection" (page
399
8.2 Network Connection Troubleshooting
121).
121).
[Internet Options].