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PNG bar code in Rich Black can't change it to 100% black

Community Beginner ,
May 11, 2023 May 11, 2023

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I have a GS1 bar code that has to be in 100% black. The PNG supplied by GS1 is coming out as rich black in ai. I have tried everything (10 hours trying and counting) but cannot get the black to change correctly.

We have tried changing it to red, to see if we can do that but no luck.

So, how does one change a rich black PNG into a 100% black?

Thanks!

p,s We are using the latest Adobe Illustrator.

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How-to , Print and publish

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correct answers 1 Correct answer

Community Expert , May 11, 2023 May 11, 2023

Thanks, I downloaded your PNG, placed it embedded (although you can embed it afterwards using the, Control, Links or Properties panel), selected it and went to Edit > Edit Colors >  Convert to Greyscale.

I checked it by opening the Window > Separations Preview and turning off black to see if any other colors were present.

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Adobe Employee ,
May 11, 2023 May 11, 2023

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Hello @scottpigeon33,

 

Thanks for reaching out. Would you mind trying to change the Appearance of Black for Export under Illustrator's preferences and checking if it helps?

AnubhavMajumder_0-1683834733229.png

Looking forward to hearing from you.

 

Thanks,

Anubhav

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Community Beginner ,
May 11, 2023 May 11, 2023

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Hey Anu

 

Current settings are display and output all blacks accurately. This is necessary for the rest of the product the bar code is attached to? We sadly don't see hpw this will change anything.

 

To us it should be simple to open the bar caode as a separate file, ensure it is 100% black and then import it into the finished artwork. We can't change it in it's own file?  Ay idea what we are doing wrong?

Thanks

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Community Expert ,
May 11, 2023 May 11, 2023

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Try to select the PNG (needs to be embedded) and choose Edit > Edit Colors > Convert to Grayscale

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Community Beginner ,
May 11, 2023 May 11, 2023

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Thx Ton,

When we open and select the image, choose Edit > Edit Colours then "Convert to gretscale" is greyed out.

is the "needs to be embedded" bit the issue?

 

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Community Expert ,
May 11, 2023 May 11, 2023

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Probably, linked files cannot be changed.

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Community Beginner ,
May 11, 2023 May 11, 2023

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Doh! Any idea how to open it without linking it?

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Community Expert ,
May 11, 2023 May 11, 2023

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You can do it afterwards (click Embed image) or do it during placing, select Options in the Place dialog and uncheck Link.

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Community Beginner ,
May 11, 2023 May 11, 2023

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we have it in as an image now (as opposed to a link) but still can't do anything with it. Would like to turn it green to see if it works but no luck 😞

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Community Expert ,
May 11, 2023 May 11, 2023

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Can you share the PNG file?

 

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Community Beginner ,
May 11, 2023 May 11, 2023

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Very silly question, how do I attache the png? Do I attach it as a photo?

 

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Community Expert ,
May 11, 2023 May 11, 2023

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yes, attach as a photo in the reply:

Screenshot 2023-05-11 at 22.48.14.png

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Community Beginner ,
May 11, 2023 May 11, 2023

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5065012410006 Debut Starter.png

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LEGEND ,
May 11, 2023 May 11, 2023

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You're working in CMYK? If so, black in a PNG is certain to be rich black, since a PNG can never be greyscale, nor CMYK. Open it in Photoshop, turn it to greyscale. Save a TIFF (not PNG, because that turns it back to RGB) and not JPEG.

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Community Expert ,
May 11, 2023 May 11, 2023

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No need to open it in Photoshop, just convert it to Greyscale in Illustrator.

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Community Beginner ,
May 11, 2023 May 11, 2023

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Thx, will hold fire on this whilst I explore ai. Can't believe how long this is taking!

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Community Beginner ,
May 11, 2023 May 11, 2023

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Thx, will hold fire on this whilst I explore ai. Can't believe how long this is taking!

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Community Expert ,
May 11, 2023 May 11, 2023

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Photoshop can save a greyscale PNG which separates correctly when placed in Illustrator.

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Community Beginner ,
May 11, 2023 May 11, 2023

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Have tried in Photshop, but get grey lines around the bars... I'm not sure this will pass?Bar code grey.PNG

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Community Expert ,
May 11, 2023 May 11, 2023

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Looks like resampling, your PNG  opens crisp in Photoshop, but you don't need Photoshop for what you want.

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Community Expert ,
May 11, 2023 May 11, 2023

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It's antialiasing in color and GS images.

David Creamer: Community Expert (ACI and ACE 1995-2023)

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Community Expert ,
May 11, 2023 May 11, 2023

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Thanks, I downloaded your PNG, placed it embedded (although you can embed it afterwards using the, Control, Links or Properties panel), selected it and went to Edit > Edit Colors >  Convert to Greyscale.

I checked it by opening the Window > Separations Preview and turning off black to see if any other colors were present.

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Community Beginner ,
May 11, 2023 May 11, 2023

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Ok, let me try this again. Will be as quick as poss.

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Community Beginner ,
May 11, 2023 May 11, 2023

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Dang Nabbit, that works. Think we got to focused on turning it red to see if we could understand the process. We didn't check the separations preview. School boy error.

Thank you Ton, at least I can get some sleep this eve :).

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Community Beginner ,
May 11, 2023 May 11, 2023

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... we also we not embeding the image! Who knew!

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