Xavier, do you have cups-filters 1.20.2-0ubuntu1 on your machine ("dpkg -l | grep cups-filters")?
Please follow my instructions of comment #4 in this bug report.
Xavier, do you have cups-filters 1.20.2-0ubuntu1 on your machine ("dpkg -l | grep cups-filters")?
Please follow my instructions of comment #4 in this bug report.