Samsung CLP-31x printer not working

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http://unix.stackexchange.com – So, my Samsung CLP-31x series printer stopped printing from Debian 6 applications. Closed source applications such as Chrome work, as does Foxit under Wine. Currently using the foo2qpdl CUPS driver. Tried Splix 2.0 from the website, nothing works, not even Foxit. Any ideas? (HowTos)