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Digital BW, The Print

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Re: [Digital BW] Blacks with quadtoneRIP and 2200

2003-03-17 by Carl Schofield

I've been struggling with the same problem.  In fact, the 21 step 
wedges printed with the QuadToneRIP look very similar to wedges printed 
with the Epson driver using the No Color Adjustment setting (with a 
profile), which is known to be non-linear.  I've also tried lowering 
density to get better shadow separation but as you have noted this 
results in a lower black dMax.  However, you can get away with a lower 
density and better shadow separation using the Photo black on RC papers 
without losing as much Dmax.  I don't know of any other ways to resolve 
this problem, but perhaps Roy or others might have some suggestions.

On Monday, March 17, 2003, at 01:45  PM, thericker88 wrote:

> Hello,
>
> This is my first post.
>
> I thought I was the only one who liked the look of Black Only prints, 
> then I found this list.  I didn't realize that so many did it and that 
> it was talked about so frequently the abbreviation "BO" was coined for 
> it.  By the way, I don't mind that 2200 matte black is a little warm.
>
> I downloaded Roy Harrington's QuadtoneRIP because I wanted to try the 
> Black and Light black only print on my 2200.  Now that is warm! 
> Actually, in comparison, my black only prints look totally neutral.
>
> Now, here's the question that I have.  I've tried a bunch of different 
> densities along with printing out the 21 step grayscale step wedge.. 
> The problem is I can't get deep blacks that still separate. When I get 
> the 100% and 95% to separate, the blacks just don't look that dark.  
> How can I fix this?  The step wedges I've printed with the black only 
> look great despite the slight roughness.  I've set everything 
> according to the recommended.  The highest density I can set while 
> still getting shadow separation is about 1.1.
>
> The more tests I make, the more I feel like I'm running around in 
> circles.  Help please!
>
> Thank you!

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