I also had the same problems (and same solution) with a Dell laptop Latitude E6430s, with the same system (fresh install, as upgrade from 16.04 did not work).
lsb_release -rd: Description: Ubuntu 18.04.1 LTS Release: 18.04
apt-cache policy system-config-printer: system-config-printer: Installé : 1.5.11-1ubuntu2 Candidat : 1.5.11-1ubuntu2 Table de version : *** 1.5.11-1ubuntu2 500 500 http://fr.archive.ubuntu.com/ubuntu bionic/main amd64 Packages 500 http://fr.archive.ubuntu.com/ubuntu bionic/main i386 Packages 100 /var/lib/dpkg/status
I also had the same problems (and same solution) with a Dell laptop Latitude E6430s, with the same system (fresh install, as upgrade from 16.04 did not work).
lsb_release -rd:
Description: Ubuntu 18.04.1 LTS
Release: 18.04
apt-cache policy system- config- printer: config- printer: fr.archive. ubuntu. com/ubuntu bionic/main amd64 Packages fr.archive. ubuntu. com/ubuntu bionic/main i386 Packages dpkg/status
system-
Installé : 1.5.11-1ubuntu2
Candidat : 1.5.11-1ubuntu2
Table de version :
*** 1.5.11-1ubuntu2 500
500 http://
500 http://
100 /var/lib/