1) Continue to keep a mapped drive to that desktop PC (as the credentials used when mapping to that drive will be passed to the PC when a print job is created).
2) Enable the "guest" account on the desktop PC and set the password to NULL (i.e. no characters). This will allow other computers/users outside of the desktop's security realm to log into it when it sends the job.
Mike, 1) works but it's a chore. 2) is hardly good security.
As I pointed out earlier, having a user account with the same password on each PC works fine - every time you want to use a resource on a different PC, your credentials are always correct.
MJ - good point: Home is limited to 5, Pro is 10, IIRC.
You can view sessions via Computer Manager \ System Tools \ Shared Folders \ Sessions.
SD