According to some online documentation, application/postscript means that any device-specific print options are not yet embedded into the PostScript by CUPS and that the next filter to be called is pstops
application/vnd.cups-postscript means it has the print options already embedded into the file. So yes the macs should not embed print options in the file to print, because the real printer is not known yet. -- Print quality degraded when printing from a Mac onto a CUPS server under Ubuntu https://bugs.launchpad.net/bugs/511550 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs