Digital BW, The Print

Hi,

I have the R1800 with my odd inkset(Eboni or UT ...whatever) of 6 inks. I ran the calibration sheet in QTR. Only 2 inks have microbanding, the other 4 are fine.

Say if I had the same EXACT DILUTION AND COLOR of ink in those 2 microbanded inks. Could I then utilize those 2 inks when printing to cancel out microbanding? 
How would I do this? 
I think I might have an answer but want someone to confirm it for me?
So setup is 2 inks exactly the same, but both are microbanding.
I only want to print that one color ink, but I can't because of microbanding. So I utilize both the inks and set the ink limits to both to 50 in the Curve creation.
Is this correct?
Thanks
Jag24x

"jag24x" <jag24x@...> wrote:

> I have the R1800 ... Only 2 inks have microbanding, 
> the other 4 are fine.
> 
> Say if I had the same EXACT DILUTION AND COLOR of ink in 
> those 2 microbanded inks. Could I then utilize those 2 inks 
> when printing to cancel out microbanding? 

The 2 microbanding channels might not overlap in a way that cancels the banding.  However, more inks firing usually does lessen the problem.  So, your general approach does make sense.

Note that I ended up making the 1800 black only approach a "3-MK" approach.  It took 3 channels to deal with the problem in most printers.  A few need 4 channels to eliminate the visible microbanding.  (Since 3 MKs allowd full color, I opted for that and hoped the incidence of the machines that needed 4 was not too high.)

> How would I do this? ...

> So setup is 2 inks exactly the same, but both are microbanding.
> ... So I utilize both the inks and set the ink limits to both 
> to 50 in the Curve creation.
> Is this correct?

It is probably very close.  However, since the in load to density curves are non-linear, the 2 channels added may not be the same as the one with twice the ink.

Good luck with the 1800.  

Paul
www.PaulRoark.com