[argyllcms] Re: Changing "ink density" in Epson driver prior to profiling
- From: Michael Darling <darlingm@xxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Mon, 18 Nov 2013 17:38:36 -0500
P.S. Keep in mind there are rare occasions when it helps to use a negative
print density, if the material you are printing on just can't handle the
ink load associated with the media type you're using.
On Mon, Nov 18, 2013 at 5:22 PM, BC Rider <bcrider99@xxxxxxxxxxx> wrote:
>
> > One of the problems with an RGB driver is that you don't have the tools
> to
> > tackle these problems properly.
>
> I was readingyour Printcal tools and beginning to get that picture. At
> this point I don't know what +/- 20% on the Epson RGB driver equates
> to...maybe it is a big or small change. In any case, visual inspection, a
> few measurements and reprofiling seems about all I can do without going to
> a RIP (which exceeds my interest level).
>
> In any case, will Printcal give me the basic curves I'm looking for?
> The advantage is automatic target generation, measurement and graphing!
>
> As a test, I tried:
>
> targen -d2 -e0 - s50 -f0 testfile
> fakeread Epson_premium_luster_profile.icm testfile
> printcal -p -i -d testfile
>
> It produced graphs for the rgb "primaries" that seem useable. But I
> could not get Printcal to produce a black/grey curve (ie. based on targen
> -g50). Is that possible?
>
>
>
>
> >
> > The test chart pointed to by Alan Goldhammer seems a good start.
> >
>
> Yes, looks brilliant. Might be all I need. I've downloaded it. Thanks
> Alan.
>
> Thanks for the comments everyone. I've gone from knowing nothing about
> changing the ink density to knowing just enough to be dangerous! lol
>
Other related posts:
