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Object printing dark grey in photoshop..not deep black

New Here ,
May 29, 2019 May 29, 2019

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I have a vector smart object that I'm trying to print in Photoshop. It's C-75 M-68 Y-67 K-90, which I was under the impression is "True Black." However, when I print it it still comes out dark grey not black. When I print the same thing in Illustrator it comes out as true black.

What am I missing? Any help would be much appreciated.

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Adobe
Community Expert ,
May 29, 2019 May 29, 2019

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What are the settings you use to print, in particular as they pertain to Color Management?

What is the image’s Color Space?

It's C-75 M-68 Y-67 K-90, which I was under the impression is "True Black."

CMYK per se has no real »true black« (and 100/100/100/100 is generally not permissible in real-life printing), it depends on the individual CMYK Color Space’s GCR/UCR and TAC.

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New Here ,
May 29, 2019 May 29, 2019

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aaqwq.png

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Adobe Employee ,
May 29, 2019 May 29, 2019

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Hi Karl,

That should not be happening, as it's not a typical experience with Photoshop. Let's make it right.

As blacks are printing as dark grey, could you please let us know the version of Photoshop and operating system you're working on?


Could you please make sure of the following things:

  • Image > Mode > CMYK Color is checked.
  • View > Proof Setup > Working CMYK is checked.
  • View > Proof Colors is checked.

Let us know if it helps.
Regards,
Sahil

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New Here ,
May 29, 2019 May 29, 2019

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Sahil,

All of the settings you mentioned match mine. Still printing dark grey. I'm using Photoshop 2015 on a new iMac.

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Community Expert ,
May 29, 2019 May 29, 2019

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You're probably seeing the normal default behavior in the two apps.

Illustrator by default remaps CMYK rich black to RGB 0-0-0, when it outputs to RGB devices like an inkjet printer. You set this in Ai preferences > Appearance of black:

Ai_black.png

Rich black is inherently a little lighter than RGB black, since you can't have 100-100-100-100. That doesn't necessarily reproduce the actual reflectance of ink on paper, just this reduction from 400% ink to actual ink limit.

Anyway, Photoshop doesn't have this option. It's permanently set to "output all blacks accurately".

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New Here ,
May 29, 2019 May 29, 2019

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D Fosse, thanks for the explanation but do you have any advice on how to remedy my current situation?

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Community Expert ,
May 29, 2019 May 29, 2019

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Is the image in CMYK colorspace if so which one? Or is it still in RGB colorspace...if so Which one?

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Community Expert ,
May 30, 2019 May 30, 2019

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Actually what I wrote isn't correct and I have no idea where my head was there...it was late. Sorry.

This Illustrator preference is an option to display 100K black in the same way as rich/4-color black. Printing on the black plate only produces a charcoal gray, compared to the deeper black you get when printing all four inks.

There is still a small lightening of blacks when you convert from RGB 0-0-0 and into a CMYK profile with a total ink limit less than 100% on all plates.

So what CMYK profile are you using, and is this consistent in the master file <> smart object?

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New Here ,
May 30, 2019 May 30, 2019

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This is the profile I'm using:

profile.png

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Community Expert ,
May 30, 2019 May 30, 2019

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As long as you have "Printer manages color" in the print dialog, it's all done in the printer driver. So if both PS and Ai are sending out US Web Coated (SWOP) numbers, and the profile is embedded, there's no reason they should be different.

However, print settings are stored as metadata in the file. You need to have the correct settings in the printer driver (paper type and so on). Go over all your printer driver settings from both applications. They must be correct and identical.

You'd get more predictable results with the application managing color, and thus handling the conversion from CMYK into RGB. But then you need to have the printer profiles installed. All inkjet desktop printers are RGB devices that expect RGB data.

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Community Expert ,
May 30, 2019 May 30, 2019

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So if the printer prints light in SWOP CMYK it may be the printer profile or the driver.  If it prints fine in sRGB then the driver is RGB and only RGB files will be color managed well. 

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