Follow the instructions under "Adding this PPA to your system" and then update your system. You will get the new cups-filters which contains my changes. Note that this version of cups-filters requires an update of QPDF which you will automatically get together with cups-filters.
Please tell whether this version solves your problem.
I have now backported cups-filters 1.23.0 to Cosmic. To install it, go to my PPA
https:/ /launchpad. net/~till- kamppeter/ +archive/ ubuntu/ ppa
Follow the instructions under "Adding this PPA to your system" and then update your system. You will get the new cups-filters which contains my changes. Note that this version of cups-filters requires an update of QPDF which you will automatically get together with cups-filters.
Please tell whether this version solves your problem.