[argyllcms] Re: Black turning down problem (the -r trick)

  • From: Nikolay Pokhilchenko <nikolay_po@xxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Sat, 15 Jan 2011 16:36:54 +0300

Elena wrote:

> Unfortunately I still don't understand well if it's the case here or not.
> Keep in mind that to test with thousands (3000-6000) samples I'm almost
> forced to use measuring tricks, like printing smaller patches and longer
> strips for my i1 (eg. printtarg -v -ii1 -a0.6 -A1.67 -C -m0 -P -L -p420x297
> will fit more than 3000 patches on a A3 paper feed horizontally).
> It would be a long and crazy work otherwise, working with standard patches.
> There's some risk of crosstalking ? Maybe.

I've done several experiment with I1 Rev.D and the result are the next: The 
reading error with 8x8mm patches between differnet sheets is about 
0.25-0.27dE2000. For 6x6mm patches is about 0.33, for 4x4mm patches error is 
about 0.5-0.57dE2000. I think there is very little crosstalk may be. The 
maximum crosstalk is about 0.08dE2000 on the glossy premium paper.
I think smaller patches are not the source of trouble.

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