[argyllcms] Re: Prints to dark, how to fix this?

  • From: Yves Gauvreau <gauvreauyves@xxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Fri, 18 Mar 2022 16:45:42 -0400

Unfortunately, I can't do that because I don't use the original inks, after verification the gamut are different especially for mate papers, which present a significant loss of DMax.

Thanks for the Rodney link, I'm going to have a little bit of fun with all the info in there.

I think I got it though, my setup works fine for other paper and profiles I have, I have a quasi perfect match most of the time. With this specific paper, well it's more difficult.

"Most of them are pretty decent in my experience" I have had the same experience except with Red River profiles, they are way off. a B&W inmage prints sepia with there profile, which is nice if that's what you want but with a custom profile B&W are B&W.

As for printing from Lightroom, I would think that Adobe is using the exact same engine as in Photoshop (CMM).

Yves


On 3/18/2022 4:28 PM, Alan Goldhammer (agoldhammer) wrote:


If you are concerned about your profile, use the profile that the paper manufacturer has made for your printer.  Most of them are pretty decent in my experience and you could then see if your profile is the problem.  As I noted you do need to find a good standard test print.  You can print it letting the printer manage colors and see if you still get a dark print.  I don’t print from Photoshop only Lightroom and don’t know if there are somethings that need to be done in Photoshop but it is possible to double profile which can cause problems.  Just double check all the settings in your work flow along with making sure the printer driver is current. Only other possibility is that there is something wrong with your printer.

Alan

*From:* argyllcms-bounce@xxxxxxxxxxxxx <argyllcms-bounce@xxxxxxxxxxxxx> *On Behalf Of *Yves Gauvreau
*Sent:* Friday, March 18, 2022 4:09 PM
*To:* argyllcms@xxxxxxxxxxxxx
*Subject:* [argyllcms] Re: Prints to dark, how to fix this?


On 3/18/2022 12:01 PM, Alan Goldhammer (agoldhammer) wrote:

    This video from Andrew Rodney is useful:
    https://www.youtube.com/watch?v=iS6sjZmxjY4

    What happens if you print a standardized image from your printer?

I forgot  to try this.

    Are the colors and brightness level correct?

I use Photoshop to soft proof the image before printing and I make a copy without soft proofing active and I try to match them as best as I can. Whatever I do here, the print is much darker, it's unacceptable to me when I have to tweak my image before printing, that's guess work.

    What is the light source you are viewing the "too dark images"
    under? Perhaps your viewing light source is not bright enough.
    Remember, prints are reflective; the monitor is transmissive. 
    Personally, I think your screen brightness is very low.  Are you
    using it in a dark room?


I use a high CRI > 95 5000K 800 Lumens Led bulb to view my prints and about 2 feet above the print.  My screen is a BenQ SW270C that I hardware calibrated with my I1 Pro 2 and on top of that I made another profile with DisplayCal and I get pretty good results, nothing above 1.0 DE2000 and I view my screen in about 30 lux of light measured at 2 feet from my screen.


I'm practically certain it's the profile but I don't know how to test this hypothesis and if I'm right, I don't know either how to correct it so I don't have to tweak my image all the time, I'm not convinced at all that this is the way to go.


Yves

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