Wow.... this is funny. I had exactly the OPPOSITE problem!
On screen, the OUTLINE attributes would NOT SHOW (like lineweight; and yes I had the on screen view options set correctly)....
But they would PRINT fine....
Duane
Visual Frontiers
AC3.14 - AC29
:|: Enscape4.16:|:TwinMotion
DellXPS 4.7ghz i7:|: 8gb GPU 1070ti / Alienware M18 Laptop