Posted by dellus on
URL: https://forum.librecad.org/Dash-dot-line-appear-continuous-tp5718594p5718595.html

You can not  change the appearance of linetype. It's printout is fixed same way as linewidth, regardless how it looks on screen and of scale.
linetypes.pdf
Could it be you accidentally have set a very small sheet size combined with fit to page?