problema linee stampa pdf

[kubbah]

Revittiani! !
I need urgent help (I must finish the tables

I'm printing brochures on pdf
the problem that the lines come out grigge, shaded.. not black decided

is a problem of line settings

I intersect the walls, I gave it thickness 1, black color, in graphic replacement

but gray...
Could someone help me? ?
Thank you.

 

[kubbah]

annotations come out well...

 

[kubbah]

I realized this only happens if I activate shadows
or
active view "hovered with edges"

If I'm in "hidden lines" the lines are fine...

 

[kubbah]

There's no way to project shadows. and see the dark lines and decided?