I have had intermittent printing problems with Windows 7 clients, on my Win2k3 (SBS) print server. They really blew up in the last few weeks, almost every person in my office running Windows 7 has had a problem at one point or another in that time. The following hotfix appears to match my symptoms, and I've deployed it to my most troublesome client computers.
http://support.microsoft.com/kb/2388142/en-us ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe ntsysadmin