Printer Port Permissions

I am having difficulties with non-admin users printing to our HP network printers.  The admin users on the same box can print without a problem.  The problem seems to be with the permissions on the port.  I have given the user full access permission to the printer, full access to the registry key folder under HKEY_LOCAL_MACHINE/Software/Hewlett-Packard, and full access to the System32\spool directory with no luck.  I can work around this problem by giving the user temporary admin rights and creating a new port (TCP/IP), then assigning this port to the printer for that user.  Does anyone know where/how to set the permissions on a printer port in Windows XP Pro?
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1) is the driver for the network printer installed on the box?
2) is there any software or hardware print server on the network?
3) does the users have roaming profiles?
4) are the boxes fully updated with windows update / autopatcher?

DelawareMachineryAuthor Commented:
Yes, obviously the driver for the network printer is installed and is operational as any admin user can use it.  No print servers in the network, No roaming profiles.  Yes, the box is fully updated.  Again, if I create the port as the user with temporary admin rights, it will then print even after I demote the user back down...  really looks to be an issue with the permissions on the printer port.
DelawareMachineryAuthor Commented:
I am closing the query out after two weeks.  I am a little disappointed that no expert out there is familiar with the port permissions!  I will continue to perform my workaround of bumping up the user to administrator in order to create the printer port and then backing them down afterwards.

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