Posted by dellus on Aug 08, 2017; 10:08am
URL: https://forum.librecad.org/Exporting-jpg-bmp-lose-lineweights-tp5715169p5715171.html

Sadly, I have to confirm this. As a workaround you may convert the pdf to an image format or use a printing app like PDFCreator, where you can also print to an image format with a settable resolution.