QTR-Quadtone RIP

Ernst Dinkla wrote:
> Howard Shaw wrote:
>> In order to diagnose some banding problems I'd like to print separate 
>> patches of each ink channel. I'd like to do this using a particular qtr 
>> curve rather than in calibration mode (or with epson driver). Is that 
>> possible?
>> 
>> thanks
>> Howard
>> 
> The QTR target for all channels to base the partitioning on 
> isn't telling enough ?
> 
Well I'm seeing (vertical) banding on my 7600 in a particular low key 
image but not in the ink separation target in calibration mode. The 
image prints fine on another printer.

Howard