I fixed it this way: Apt-get update reported errors for round about 10 packages, including cups and fomatic. I purged this packages and let apt purge all stuff it wanted to remove additionally. Then I installed these packages anew and all was OK.
I fixed it this way:
Apt-get update reported errors for round about 10 packages, including cups and fomatic. I purged this packages and let apt purge all stuff it wanted to remove additionally.
Then I installed these packages anew and all was OK.