Hi Leno,
Welcome to Microsoft Community.
As per the description, looks like the scanner is not working.
1. Have you made any recent changes to the computer prior to the issue?
2. Do you get any error message/code?
3. Are you facing any issues installing the scanner or it’s a functionality issue?
Method 1: Run the troubleshooter:
Open the Hardware and Devices troubleshooter
**http://windows.microsoft.com/en-us/windows7/Open-the-Hardware-and-Devices-troubleshooter**
Method 2: Follow the instructions in the link to install a scanner:
Install a scanner
http://windows.microsoft.com/en-CA/windows7/Install-a-scanner
Install latest drivers for the scanner from manufacturer website
Please post back with more details so that we could assist you better.