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Digital BW, The Print

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Maximizing D-Max with UT14 on glossy

2010-02-04 by marko.mili

I'm trying to make my first set of QTR curves for UT-14 inkset. First up, Kirkland glossy. Plan is to make a curve for warm and for cold and mix them with sliders for variable tone. I quickly found out that D-Max for individual "C" or "M" inks is only around 2.1 while if I print one over the other in 2 passes (an accident) it is 2.5. Before I hit too many dead ends from here, I thought I'd ask which of these strategies may be likely to work:

- Use some of the opposite ink ("C" with "M" and vice versa) in the darkest 5% or so to squeeze the most out of blacks without creating overly noticable warming/cooling. I would have to figure out how much combined ink I can put down without creating artifacts. So if I use 60% ink limit for "C", I may be able to instead use 50% "C" + 20% "M" and get higher D-Max then 60% "C".

- As above, but use lighter shade of the same ink instead of the opposite ink.

- Possibly some combination of both of the above... black may be darkest with 50% C, 10%M, 10%LC or some such.

- My goal should be that I would use that brew as briefly as possible ease into the max density I can get with one ink only.

- The easiest (or only) way to program this in QTR is by using CURVE_x statements.

Thanks for your feedback.
Marko

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