Printing Lineweight Issues

Hello All,
I am trying to print from layout with model referenced to a detail. and would like to add some detailes on top.
unfortunately i can not get the lineweight ot match. the lines are printed as vectors nice and crispy but the model is very faded. raster/vector issue I guess.
anyway to over come this?

attached is a sample pdf

Sample Drawings.pdf(101.8 KB) .

thank you