Print Dialogs are complex and dated
If all you want to do is a basic print, the current dialog is a bit cumbersome and the layout leaves a lot to be desired. Simplifying this dialog will go a long way for it's adaptiveness as well.
- old mockups for print: https://github.com/gnome-design-team/gnome-mockups/tree/master/print
- wiki design page: https://wiki.gnome.org/Design/OS/Printing
Relevant Art
Print Dialogs from other platforms (incl. browsers)
Firefox
(This is just awful)