We are running a XenApp 6.5 farm on Server 2012 R2, our print server is running on Server 2008 R2.
We are experiencing an issue where when some of our customers are using applications published in Citrix they will be prompted to load paper to the bypass or manual trays when they print.
In some cases we have discovered that when going into the preferences, just before clicking OK to print, the paper has been set to Color, in another case the paper size was set to 8.5 x 11.09 (we know because the printer was asking for this paper size), but lately there has been nothing wrong when we check the printer preferences. We have confirmed that the local settings on the PC itself are configured right, and we do not have the issue when printing locally from windows only through Citrix.
To add further confusion to the matter, the issue seems to be user specific - another staff member, using the same printer off the same print server and using the same application will be fine.
We have tried removing the registry key HKCU\Software\Citrix\PrinterProperties - this has worked in a very limited number of cases but in the majority it has not. We have also tried removing the Citrix profile from the servers.