This is a bug in GMT, not CUPS. My original test.ps file is not DSC conformant. This has been corrected in the developers version of GMT and will be in the next release (v 4.1.4?).
-- Problem printing GMT PostScript https://launchpad.net/bugs/55694 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs