Can't Scan - Possible GPO Issue

I have a client whose 3 computers at one branch cannot scan to an HP Laserjet M1522.  Normally (they used to be able to) they would scan by pressing the scan button on the scanner, select Scan to Folder, then choose one of the computers showing on the scanner display.  But that ability to scan stopped working a few months ago (before we were the IT provider).  When we reinstall the scanner software, the computer does not get added to the list of computers to scan to.  We’ve tried on two separate computers.

To make a long story short, I think the problem is related to the fact that broadcasting, which is what the scanner uses to locate the PCs, is being blocked by the firewall.  We don’t have the ability to turn off or modify the firewall on the local PC, probably due to a GPO on the server.  But I’m not sure where to find this particular GPO, nor am I absolutely certain this is even the problem.  Has anyone run into this issue before?  Does anyone have any suggestions either to what may be causing the problem or more specifically – how to find the GPO that is affecting the firewall?

We recently took over this client from another IT company and we’re still finding our way around.their setup of the network.  The server in question is 2008 R2, and the computers are Windows 8.1

Thanks for any advice.
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from one of the workstations, if you the following from a command prompt:

GPRESULT /R /Z  (for verbose mode)

this should show you what GPO policies are applied to both the computer and the user and you should be able to track it down.  Then on the Server run the Group Policy Editor to change.


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Windows Server 2008

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