[argyllcms] Re: Issues with CMYK printer profile (Profile all wrong)
- From: Rodolfo Villanueva <rvillanut@xxxxxxxxx>
- To: argyllcms <argyllcms@xxxxxxxxxxxxx>
- Date: Sat, 22 Nov 2014 00:21:04 -0300
Well, right now i'm using a non brand glossy photo paper (the one i want to
profile), but the default profiles that my 7800 has (for epson paper), have
far bigger gamut volume than my gracol target. The only difference is that
i generated the argyll targen with 360dpi, i can do it using the biggest
dpi available, and quality as well. Could this make this much big of a
difference?
Besides these, the only other thing i changed would be the paper, but its
hard to believe that my non brand paper is as shitty as to have around a
fifth of the gamut volume of the epson paper.
On Sat, Nov 22, 2014 at 12:12 AM, Graeme Gill <graeme@xxxxxxxxxxxxx> wrote:
> Rodolfo Villanueva wrote:
>
> > Right now i don't have access to my 7800, but i was comparing my profile
> > with the GRACoL one, and mine is around a third of the gamut volume of
> the
> > gracol one. Is this the best i can get? Am i maybe doing things wrong
> that
> > i am getting such a small space?
>
> Hi,
>
> Altering the gamut of a printer generally depends on altering the inks,
> the paper or the details of how the ink is being laid down. Near black
> the total ink limit will set a limit on how black it can get.
>
> So you could try different papers, or different rendering modes (DPI,
> quality
> settings), although (apart from choosing gloss paper over mat) these may
> not
> make a huge difference, unless you have some control over the per-channel
> ink
> densities. This is not something that typical drivers make available,
> although
> it may be possible using a RIP. There is a certain art in setting up
> printers
> at such a low level though.
>
> Using different inks in combination with low level printer settings
> and choice of paper gives the highest level of control over gamut, but is
> a non-trivial exercise.
>
> Graeme Gill.
>
>
>
--
R.
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