When these printouts were made, cloudooo did not had so many fonts as
today, and it was picking up "Liberation Sans" for the "Arial" used in
these templates;

Since
nexedi/slapos@135cbe43
( yes, 5 years ago ) we have more fonts, and since then the rendering of
these printout changed, a "Roman" font was selected instead.

This changes the templates to use explicitly "Liberation Sans", which
makes the printouts use the old looks even on newer cloudooo .