Can you post the output of the following shell commands here:
ls -l /usr/share/cups/mime/*.types
ls -l /etc/cups/*.types
ls -l /usr/share/cups/mime/*.convs
ls -l /etc/cups/*.convs
If there are files of the same name in both /usr/share/cups/mime/ and /etc/cups/, attach them here and then remove them in /etc/cups/ ("sudo rm ...") and restart CUPS ("sudo /etc/init.d/cups restart").
Can you post the output of the following shell commands here:
ls -l /usr/share/ cups/mime/ *.types cups/mime/ *.convs
ls -l /etc/cups/*.types
ls -l /usr/share/
ls -l /etc/cups/*.convs
If there are files of the same name in both /usr/share/ cups/mime/ and /etc/cups/, attach them here and then remove them in /etc/cups/ ("sudo rm ...") and restart CUPS ("sudo /etc/init.d/cups restart").
Does this solve your problem?