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Thread: Color of large prints

  1. #11

    Join Date
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    Re: Color of large prints

    Quote Originally Posted by rjphil View Post
    I would try a section test using the "Photoshop manages colors" selection, applying your correct profile.
    That's my next troubleshooting step. The only reason why I don't do that regularly is because I couldn't figure out how to keep Windows from applying profiles to the print jobs anyway. So what I had was Photoshop applying one profile, and then Windows applying the same profile over that one, giving me all kinds of funky colors. So if I go back to trying that route, I'll have to figure out a way to keep Windows from doing that. But first I'll try it without any profiles, probably by going through the "Adobe Color Printer Utility" like I do when making these profiles, since Photoshop won't let me print without some kind of profile (on command anyway).

  2. #12

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    Re: Color of large prints

    Quote Originally Posted by Bruce Watson View Post
    Could just be a perception problem. It's well known that small areas of a color look different than large areas of the same color. People find that out all the time when they paint rooms in houses.

    For this reason I was taught to make at least one full size proof print. Because the perceptions of the colors, their relationships to each other, saturation, and contrast all are influenced by size.

    This would explain your blacks getting darker and your yellows becoming more intense. But it may not explain a color shift like your turquoise sky that came out magenta.

    Just to be clear, everything was the same except print size? Small and large print came out of the same roll of paper? Printed on the same day?

    One other thing -- did you dry the prints? Inkjet prints are susceptible to changes as they dry (out gas). I started getting much more reliable results when I started drying prints with a hand held hair dryer. Low heat, high fan. The hand supporting the back of the print can feel the change from cool to warm indicating you've driven off most of the water / glycols.

    Drying prints visually (and measurably) changes Dmax and contrast on most papers in my experience.
    It's definitely not just a perception issue. It's far more dramatic than that. And yes, I literally took that exact same file, resized it using Photoshop, and printed it will all of the same settings. I didn't even reload PS in between. Same roll. One print right after another. Same day, maybe 15 minutes apart. Now, while I didn't dry the prints, I did have one smaller one before and one smaller one after the large print and they both looked nearly identical to each other, so I don't believe it was a drying issue. Obviously the larger image will take longer to dry and colors will shift as they dry. But it shouldn't shift colors to that degree no matter how long it needed to dry.

    Thank you all for your help so far. I'll keep messing around with it trying to see if I can narrow down the problem. I'll be sure to post my final results back here when I'm done because I've looked all over the web for an answer to this, and it appears I'm the only one who's run into it. At least every other problem I can find similar to this one has the answer "use an ICC profile".

  3. #13

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    Jan 2006
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    Tucson AZ
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    Re: Color of large prints

    Sacrifice a goat to the computer gods??? There are days when I can't think of any other way to deal with the damned things (computers, not goats)

  4. #14

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    Mar 2017
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    Re: Color of large prints

    Quote Originally Posted by Jim Andrada View Post
    Sacrifice a goat to the computer gods??? There are days when I can't think of any other way to deal with the damned things (computers, not goats)
    I don't have a goat, but I have an old Mac G5...

  5. #15

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    Re: Color of large prints

    Same thing if it'a a virgin.

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