QTR-Quadtone RIP

Andrea,

I didn't spend much time with this curve, so perhaps it needs to be  
tweaked a little.  You could also try to re-linearize for your  
printer and see if that helps.

Carl Schofield
http://photos.schophoto.com




On Jan 11, 2008, at 4:20 AM, vtube75 wrote:

> --- In QuadtoneRIP@yahoogroups.com, "Carl Schofield" <list@...> wrote:
>>
>> I've been working with my wife's Epson 380 printer to see if it
> might be worth getting a 1400
>> later on.  So far I've made two profiles for the 380 using the OEM
> Claria inks and the prints
>> are surprisingly good.  The first was a BO profile for Harman FBG.
> The second profile (380-
>> Claria-EPGPP-2880 for Epson Premium Glossy) that I just added to the
> Files>Curves>Epson
>> R380 folder uses a little bit of CMY ink to generate a composite
> midtone gray that helps
>> smooth out the midtone grain and improves neutrality.  I would be
> interested to know if
>> these profiles will also work with the Epson 1400 printer.
>
>
> Hi Carl, I tried your curve an PGPP and UPGPP with my R265, it works
> well and the test prints are a bit warmer than using just BO, so good.
>
> I notice that there is a visible discontinuity (a step) near the deep
> shadows, visible in the graph of the curve in QTR and in a print of a
> "circular gradient", like the test images on NorthLight site:
>
> http://www.northlight-images.co.uk/article_pages/ 
> black_and_white_test.html
>
> http://www.northlight-images.co.uk/downloadable_1/bw_lin_test_1.zip
>
>
> Andrea
>


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