Assume that you install a scan device and the driver on a Windows 8.1-based or Windows Server 2012 R2-based computer. In the Devices and Printers window, you request an image scan. In this situation, the scan operation does not start the Windows Image Acquisition (WIA) image processing filter and the desired scan output is not received.
To resolve this issue in Windows 8.1 and Windows Server 2012 R2, install update rollup 2919394. For more information about how to obtain this update rollup package, click the following article number to go to the article in the Microsoft Knowledge Base:
2919394 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: February 2014
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates