This sounds like an issue that was fixed in SP 8 or 9 and you are on SP 2. The KBA for that is:
Now, I do understand that you are not using the PrintOutputController, but updating to SP 9 will certainly not hurt and would actually be recommended (make sure to use the install exe, not the runtime, eg.; MSI...).
- Ludek
Senior Support Engineer AGS Product Support, Global Support Center Canada
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