Scanning is very easy. Instructions below will describe this process with all details.

1. Where to start

As you installed RemoteDesktopTwain Client and RemoteDesktopTwain Server you can scan on Remote Server through RemoteDesktop application.
Start your favorite scan application on Remote Server and select RemoteDesktopTwain driver as it is shown on screenshot below

2. Starting scan

Initiate scanning from the application and RemoteDesktopTwain configuration dialog will be shown
Select scanner from drop down list and configure scan settings. Please see detailed information about scanner configuration in "Scanner settings" topic.
When you press "Scan" button scanning will start and progress dialog will be shown.