Almost can't see printed lines

Hi All,

Fedora Core 21, 64 bit
librecad-2.0.6-1.fc21.x86_64
Default units = Mil

On my Okidata B4350 printer, I can just barely see the printed line.  How do I make them so I can see them?

Many thanks,
-T

Check the layers line width!
click: View, Toolbars, Layer List
Right Click on the layer you are working in. Click Edit Layer. set Width: to a higher value.

Kim