How do I fix this?

My last topic may have been too tainted with my own misguided efforts to elicit helpful suggestions, so I'm backing up a bit and taking another stab at it.

I'm using the pdf.plt driver that comes with Microstation, version 8.5.2.70.  Here's an image that shows my problem:

How can I force the grey lines to be behind the black text and black lines?  I tried using Priority in a pen table, but it did not work.