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QTR-Quadtone RIP

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Message

Re: QTR K7 Neutral Profiles for Split Tone Ink Set?

2007-06-06 by mtuttle93

Fixed by reloading the QuadTone RIP software and reinstalling the K7 profiles.  The Split 
Tone Sepia-Neutral K7 inks print with the same density as the Neutral set.

--- In QuadtoneRIP@yahoogroups.com, "mtuttle93" <mg_tuttle@...> wrote:
>
> I am using QTR 2.5.1 with the K7 Split Tone ink set and have just finished reflective 
> densitometer readings on eight papers that I have where K7 Neutral profiles have been 
> provided.
> 
> In all eight papers I am finding a 'stalling' in the curve, where the readings at the 75%, 
80% 
> and 85% ink swatches are within .01 or .02 of being the same ( for example all 1.39 on 
> Moab Kayenta Photo Matte).  While the actual density numbers are different for each 
paper 
> the grouping remains the same .... essentially the curve stalls at a flat spot and then 
> continues up starting at the 70% swatch.
> 
> The nozzles check fine, and it is a consistent shape among the papers. Gamma 2.2 was 
> used, letting the printer control the color in the preview box (OSX 10.4.9).
> 
> If the profiles are for the neutral K7 ink set is it possible that by mixing the two inks on 
> the same curve it is showing that the neutral black inks lay differently in the shadows 
than 
> the warm tone inks lay from the 70% and less tones?
> 
> Suggestions?
> 
> Thanks,
> 
> Mark Tuttle
>

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