Instalando o scanner irmão dcp195c no linux mint 18

Question

Eu tenho uma distribuição do Linux Mint 18 e eu queria instalar o scanner de definição de impressora Brother dcp195c Eu usei esse método no link

link

E eu encontro esta mensagem de erro:

(Gedit: 5809): Gtk-WARNING **: Calling Inhibit failed: GDBus.Error: org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files

** (gedit: 5809): WARNING **: Set document metadata failed: Setting attribute metadata :: gedit-spell-enabled not supported

** (gedit: 5809): WARNING **: Set document metadata failed: Setting attribute metadata :: gedit-encoding not supported

** (gedit: 5809): WARNING **: Set document metadata failed: Setting attribute metadata :: gedit-position not supported

Existe uma solução, obrigado?