Heyho! Just before I go home: Removing the -dUseCIEColor option from /usr/lib/cups/filter/pstopdf fixes my problem for now. I have no idea what the option really does, and as I've said it produces a warning, so this is more or less cargo cult bugfixing. I hope somebody knows what the underlying problem was. cheers -- vbi -- Grudnuk demand sustenance!
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