Hi DRidings,
1) Do you get any error message?
Method 1: Run the printer troubleshooter and then check
Open the Printer troubleshooter
http://windows.microsoft.com/en-US/windows7/Open-the-Printer-troubleshooter
Method 2: You may refer the steps mentioned in the link below
Troubleshoot network printer problems
http://windows.microsoft.com/en-US/windows-vista/Troubleshoot-network-printer-problems
(Article applies to Windows Vista, steps holds good for Windows 7)
Method 3:
If the above steps fail, I would suggest you to uninstall and re-install the drivers from the following link.