Hallo Kellerkind_2009,
didi@DIDIPC:~$ cat /var/log/apt/history.log
Start-Date: 2018-11-05 18:39:38
Commandline: aptdaemon role='role-commit-packages' sender=':1.115'
Upgrade: libnm-glib4:amd64 (1.10.6-2ubuntu1, 1.10.6-2ubuntu1.1), gir1.2-nm-1.0:amd64 (1.10.6-2ubuntu1, 1.10.6-2ubuntu1.1), libsystemd0:amd64 (237-3ubuntu10.3, 237-3ubuntu10.4), udev:amd64 (237-3ubuntu10.3, 237-3ubuntu10.4), libnm0:amd64 (1.10.6-2ubuntu1, 1.10.6-2ubuntu1.1), network-manager:amd64 (1.10.6-2ubuntu1, 1.10.6-2ubuntu1.1), libudev1:amd64 (237-3ubuntu10.3, 237-3ubuntu10.4), libnm-util2:amd64 (1.10.6-2ubuntu1, 1.10.6-2ubuntu1.1), libnss-myhostname:amd64 (237-3ubuntu10.3, 237-3ubuntu10.4), systemd-sysv:amd64 (237-3ubuntu10.3, 237-3ubuntu10.4), libpam-systemd:amd64 (237-3ubuntu10.3, 237-3ubuntu10.4), systemd:amd64 (237-3ubuntu10.3, 237-3ubuntu10.4), libnss-systemd:amd64 (237-3ubuntu10.3, 237-3ubuntu10.4), network-manager-config-connectivity-ubuntu:amd64 (1.10.6-2ubuntu1, 1.10.6-2ubuntu1.1)
End-Date: 2018-11-05 18:41:22
Start-Date: 2018-11-06 17:10:39
Commandline: aptdaemon role='role-commit-packages' sender=':1.112'
Upgrade: ruby2.5:amd64 (2.5.1-1ubuntu1, 2.5.1-1ubuntu1.1), libxkbcommon-x11-0:amd64 (0.8.0-1, 0.8.0-1ubuntu0.1), libruby2.5:amd64 (2.5.1-1ubuntu1, 2.5.1-1ubuntu1.1), openssh-client:amd64 (1:7.6p1-4, 1:7.6p1-4ubuntu0.1), opera-stable:amd64 (56.0.3051.52, 56.0.3051.99), libxkbcommon0:amd64 (0.8.0-1, 0.8.0-1ubuntu0.1)
End-Date: 2018-11-06 17:11:58
Start-Date: 2018-11-06 19:55:12
Commandline: aptdaemon role='role-commit-packages' sender=':1.210'
Upgrade: ppp:amd64 (2.4.7-2+2ubuntu1, 2.4.7-2+2ubuntu1.1)
End-Date: 2018-11-06 19:55:41
Start-Date: 2018-11-07 19:53:46
Commandline: aptdaemon role='role-commit-packages' sender=':1.121'
Install: python3-netifaces:amd64 (0.10.4-0.1build4, automatic)
Upgrade: libkmod2:amd64 (24-1ubuntu3, 24-1ubuntu3.1), kmod:amd64 (24-1ubuntu3, 24-1ubuntu3.1)
End-Date: 2018-11-07 19:54:34
Danach
sudo adduser $USER lp
sudo apt-get -f install && sudo apt-get update && sudo apt-get dist-upgrade
sudo apt-get install --reinstall cups
ausgeführt und neugestartet, Drucken funktioniert wieder !
Vielen, vielen Dank !
Waldhase