When /QueryUser set to 3 (select default system printer) following user options are not working: /Copies, /Orientation, /Color and /Paper. Command line: gswin32c -dNOPAUSE -dBATCH setup.ps test.pdf Contents of setup.ps file and my solution patch of gdevwpr2.c see in attachments.
Created attachment 9281 [details] options.patch
Created attachment 9282 [details] setup.ps
Patch committed here 219e16aabc84905b17ae7dbaf6718a62d100e6a4