QTR-Quadtone RIP

It sounds like your set-up is working "as designed."  

It should be plug and play, not that much you need to do on your 
side. I was not sure what your background was. Some of the folks here 
are rather technical. ;>) You can ignore the more technical questions.

All I would suggest is that you try another, more "premium" paper, 
and see whether you like the results better. I have standardized on 
Moab Entrada Bright White for my own purposes.

I don't have a dye ink installed right now, so I can't compare what 
black only using the dye ink looks like.  It will have more 
depth/darker blacks -a better DMAX.  

I am in the process of moving to more printing on photo papers, 
especially the newer fiber papers, instead of matte papers, probably 
for the same reasons you are a bit disappointed.

I imagine others will chime in tomorrow, more posts then.

Good luck!

Best,
Michael