What are the reasons the line weights on a single view would print wrong?

I have many drawings printing just fine. This one has a view with weird line weights. It also printed with weird line weights on another printer using black and white.

1. A wide shot to show very similar details. Created in the same fashion.

2. Close up of bad.

3. Close up of good.

BONUS QUESTION: Is there more automatic way to add part name or file name to plate dimensions, as depicted above?

SolidworksDrawings And Detailing