Painting - Joint Compound Stripes - Can I get rid of them?

I am having my basement finished and am currently painting. I had the contractor use densarmor drywall on the perimeter walls. I am painting and even after a coat of primer and two coats of Sherwin-Williams paint, I have stripes all over the walls where the joint compound is. The contractor said this can happen because densarmor is rougher than traditional drywall so you have a more pronounced difference in texture between drywall and joint compound.

Well, I did some reading on Georgia-Pacific's website and I have a feeling the contractor didn't prepare the walls properly. Getting some money back from the contractor doesn't help me though. Is there anything I can do at this point to fix this? Like I said there is already a coat of primer and two coats of paint on the wall. I've also done a third coat in a small area which didn't help, and in another small area primed again and repainted and that didn't help.

Karl

I've asked around a little and the only solution offered so far is the wall would need to be skim-coated, which they said should have been done in the first place when using Densarmor because it is a rougher texture than papered drywall.

Anything else?

Paint colors, it doesn't fill
I'd suggest a skim coat of joint compound over the whole thing
There's nothing else I can even imagine that would do it other than that

I agree. Some colors or sheens will do a better job of hiding or accenting flaws but it just isn't feasable for paint to fix a finishing error.

Skim coat or have the walls textured. Texture can hide imperfections, but paint often makes them more noticable, not less.

Not much I can say after the replies. I never even heard of densarmor. Just googled this and it appears skim coating is what should be done. Mitch17 might have the fastest and best looking fix. :(