QTR-Quadtone RIP

I just ran the nozzle check. It's clogged pretty badly. Cleaning has no effect whatsover. 
What should I do?

--- In QuadtoneRIP@yahoogroups.com, "eyewall" <eyewall@...> wrote:
>
> By the way, I'm using Hahnemuhle Photo Rag.
> 
> --- In QuadtoneRIP@yahoogroups.com, "eyewall" <eyewall@> wrote:
> >
> > Hi all--
> > 
> > I just got a new UT7 cartridge inkset. It's working well (variable tone is nice) but it is 
> > exhibiting pretty bad banding. I'm using the curves that came with QTR along with the 
> QTR-
> > Matte-Profile when I go to print.
> > 
> > Any help would be greatly appreciated.
> > 
> > Thanks,
> > 
> > Peter
> >
>