I had the client-error-document-format-not-supported problem as well. Installing cups-pdf and ghostscript-cups fixed the problem for me. I'm not sure if only one of the two packages are needed, or if both are.
Cheers, Chris -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org