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Checking print density. CMYK

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  #1  
Old 01-11-2010, 09:56 AM
de5m0mike de5m0mike is offline
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Checking print density. CMYK

How do you guys go about making sure your print densities are within range before sending a file to a printer? For example making sure C+Y+M+K does not add up to more than 280. I know I could click around with the eye dropper and add them up, but is there another way? I've never been able to figure this one out. Can it even be done in photoshop or is it a 3rd party program? I know light room lets you do something similar where it highlights potential problem areas of the image in the preview.
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Old 01-11-2010, 12:09 PM
SilvaFox SilvaFox is offline
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Re: Checking print density. CMYK

You can convert to RGB and back to CMYK. Your shadows will be 300.
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Old 01-11-2010, 01:07 PM
KR1156 KR1156 is offline
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Re: Checking print density. CMYK

edit, convert to profile, custom cmyk....adjust the separation values yourself, i.e total ink limit.

absolutely avoid the previous comment if you're precisely matching color or showing final proofs to your client.
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Old 01-11-2010, 02:39 PM
pixelzombie pixelzombie is offline
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Re: Checking print density. CMYK

you can change the eye dropper to read Total Ink and what KR1156 said
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Old 01-11-2010, 03:11 PM
de5m0mike de5m0mike is offline
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Re: Checking print density. CMYK

I tried this and it does work but it also changes colors that don't need to be changed. For instance a solid block of C:100 M:0 Y:0 K:0 changed to C:90 M:0 Y:11 K:0. Is there a way to only effect the parts of the image that need to be corrected without messing with the rest of the image? Is there a way other than the eyedropper to test the image without making any changes? What if the image was okay to begin with and didn't need to be corrected?
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Old 01-11-2010, 03:54 PM
pixelzombie pixelzombie is offline
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Re: Checking print density. CMYK

you will get some change if you are working with CMYK images..one way around that is to use selective color and only change the "Blacks" until you get your 280 Dmax but that's only if you are close to begin with
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Old 01-13-2010, 01:20 PM
Hartleyb4 Hartleyb4 is offline
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Re: Checking print density. CMYK

You can also set your info palette to read Actual Color and Total ink at the same time. This will be helpful if your following Pixelzombies advice above.
You can also make a color range selection on the darkest areas and then adjust with curves or whatever tool you choose.
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Old 01-13-2010, 03:23 PM
Kermy Kermy is offline
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Re: Checking print density. CMYK

Only way to show this is to go into indesign and import the image. Then under Windows got to the Output pallet. Select Separaions Preview tab and change view to Ink Limit. The rest I'm afraid is up to you...
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Old 01-13-2010, 03:27 PM
Hartleyb4 Hartleyb4 is offline
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Re: Checking print density. CMYK

Quote:
Originally Posted by Kermy View Post
Only way to show this is to go into indesign and import the image. Then under Windows got to the Output pallet. Select Separaions Preview tab and change view to Ink Limit. The rest I'm afraid is up to you...
There are several ways to read the ink density in photoshop. No need to go into InDesign.
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Old 01-13-2010, 03:37 PM
Kermy Kermy is offline
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Re: Checking print density. CMYK

yep there are several ways to read ink density in photoshop ie gamut warning etc. but as far as i'm aware if you want to actually see a visual representation of the areas where ink density is over a specified limit - the indesign method is the only way i'm aware off...
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