Digital BW, The Print

Please let me know if anyone is using QTR with UT Inks on Mohab or 
Photo Rag with a 7500. I'd appreciate it if you could attach a copy 
of your curves so that I may check mine against yours. I also wonder 
if anyone has tried both the 7500 drivers and the 7000 drivers on a 
7500 to see if there is any advantage of one over the other. I know 
there were some problems with Epson 7500 drivers using the VM inks so 
that some chose to switch to the 7000 drivers. I'm still having 
trouble getting a really smooth curve using only the 3 gray inks and 
the black. Is it possible to Linearize and then take that Linearized 
curve and relinearize it to make it smoother?

John H