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Black background instead of transparency while printing PDF from InDesign (RGB)

Participant ,
Jan 15, 2025 Jan 15, 2025

Hey, I have a problem I have difficulties solving on my own.

I prepare file in Indesign, keeping everything in sRGB IEC6...

1. Export PNG files with transparent backgrounds from Procreate
2. Place them in InDesign (linking)
3. Indesign is set up for sRGB IEC6...
4 Then I Export to pdf using sRGB IEC... as an ouput (embeding profile)

I wanted to try using Adobe 5 format compatibility, to avoid downsides of Adobe 4- lines and dividing pictures to triangles, as I observed at least one printing result where printer lost parts of the images. For most of them, these lines resulting from flattening are only visible on screens (something I still would like to avoid if possible). Also, clickable table of contents would be great.

So I exported PDF file with Adobe 5 compatibility and received such result on two different printers.
What can I do to avoid lines, fractals, and have clicable ToC and not end up with black PNG backgrounds?

Have I done anything wrong?

All help appreciated!

20250115_112629.jpg20250115_162407.jpg

TOPICS
Bug , How to , Import and export , Print
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correct answers 2 Correct answers

Community Expert , Jan 15, 2025 Jan 15, 2025

Don't use PNG files, use PDF or PSD or TIFF files, if you use images with transparency.

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LEGEND , Jan 15, 2025 Jan 15, 2025

@michal_PL

 

It's possible, that Procreate is saving those PNGs a bit differently than the standard - and InDesign can't read properly this non-standard format.

 

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LEGEND ,
Mar 06, 2025 Mar 06, 2025

@michal_PL

 

You're welcome. 

 

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LEGEND ,
Jan 15, 2025 Jan 15, 2025

@michal_PL

 

Do druku - najlepiej najwyższy PDF - PDF/X-4.

 

PNG możesz hurtem przekonwertowac do TIF / PSD w Photoshop'ie - a później w InDesign hurtem przelinkowac do nowego rozszerzenia. 

 

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Participant ,
Jan 15, 2025 Jan 15, 2025

Hej, dzięki za podpowiedź!

To z której strony radziłbyś to ruszyć? Wybrać PDF/X-4 czy konwertować grafiki?

 

Zaznaczam, że druk tego pliku będzie odbywał się na domowych drukarkach RGB - rozmaitych urządzeniach, będzie też drukowany z urządzeń moblnych, desktopóów, przeglądarek, aplikacji, klientów poczty. Cel jest taki żeby drukował się wszędzie poprawnie bo będą go używały osoby bez wiedzy o druku.

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LEGEND ,
Jan 15, 2025 Jan 15, 2025

@michal_PL 

 

Najlepiej najwyższy PDF. 

 

A konwersjÄ™ PNG -> "coÅ›" możesz I tak zrobić - just in case 😉 

 

Ew. po prostu "przepisz" te PNG na PNG - za pomocÄ… Photoshop'a - żeby je "wyprostować". OczywiÅ›cie do nowego katalogu, żebyÅ› nie nadpisywaÅ‚ oryginałów. 

 

CzÄ™sto ludzie majÄ… np. problem z XLS wyexportowany z Google Sheet albo coÅ› "niestandardowego" - przepisanie w Excel'u zawsze pomaga - tak samo DOC / RTF - przepisanie w WORD "naprawia" plik. 

 

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Participant ,
Jan 15, 2025 Jan 15, 2025

Powiem Ci, że mam stracha przed tym - już odkręcałem cały proces i wtopiłem dziesiątki godzin w szukanie problemów wynikłych miedzy innymi z chaotycznych konwersji profili kolorystycznych. A właśnie widzę, że jakieś aspekty moga wyjśc po czasie 😄

Ale zrobie próbę konwersji na Tiff, przetestować nie zaszkodzi.

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LEGEND ,
Jan 15, 2025 Jan 15, 2025

@michal_PL

 

PDF/X-4 to jest standard do druku - więc jest bardzo małe prawdopodobieństwo, że się wykrzaczy - no chyba, że ktoś to będzie drukował na jakichś muzealnym zabytku.

 

Przeleć wszystko PNG -> PNG Photoshop'em - bÄ™dzie najproÅ›ciej - albo na poczÄ…tek tylko kilka. 

 

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Participant ,
Jan 15, 2025 Jan 15, 2025

Ok, sprawdziłem zmianę standardu:

Zmiana na x4 nie wchodzi w grę bo wymusza CMYK na wyjściu

Natomiast sama zmiana na Acrobat 7 nie rozwiązała problemu. teraz będę próbował konwersji formatu.

 

Podpowiedz tylko, jaką funkcję PS masz na myśli? Robiłem różne automatyzacje ale lata temu i nie chcę w jakiś nieoptymalny proces się zapuścić 😄

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LEGEND ,
Jan 15, 2025 Jan 15, 2025

Nie jestem teraz przy laptopie - ale nagraj sobie akcjÄ™ używajÄ…c Export For Web czy coÅ› takiego. 

 

(sprawdź kopertÄ™ na górze strony) 

 

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Participant ,
Jan 15, 2025 Jan 15, 2025

Musze jeszcze podziałać nad tym, nie wyszła mi konwersja do Tiff, ciągle zapisują się PNG. ALe sprawdzę jutro na pojedynczym pliku Tiff czy robi różnicę 🙂

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Participant ,
Jan 15, 2025 Jan 15, 2025

So after extensive testing to check many of your tips, i found out, that this problem occurs only on one computer on Google Chrome. Printing from Firefox or both browsers on different MacBook works just fine.


I migrated files as a package between these two MacBooks back and forth and no discoveries here.

 

Since my goal is to make sure the file will print properly on all devices, I have to continue troubleshooting.

Unfrotunately simple conversion from png go png didn't help, and I didn't manage to test conversion to Tiff files yet, but will continue trying tomorrow. Thank you for your help so far!

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Community Expert ,
Jan 15, 2025 Jan 15, 2025

How did  hrome here? Does it mean, that you exported to PDF and viewed it in Chrome?

Are you aware that there is only one valid PDF viewer and that is Adobe A robat? All others are failing in one or the other aspects. 

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Participant ,
Jan 16, 2025 Jan 16, 2025

That's correct. Phis PDF is digital product I'm preparing and I have zero control over end-user habits. They are non-knowledgeble about printing, and I can't make them use Acrobat. I know they sometimes use only mobile device for printing. I need to ensure this file is failsafe for this exact reason.

 

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LEGEND ,
Jan 16, 2025 Jan 16, 2025

@michal_PL

 

In that case - maybe you should "flatten" all bitmaps - then put text on top - and outline them - convert to curves?

 

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Participant ,
Jan 16, 2025 Jan 16, 2025

Yes, this is more or less what I do, by applying Acrobat 4 standard (it flattens transparency and pictures in the similar process as I would flatten them manually). This one works, but generates some lines, and I have seen the case when there were some areas missing on print. But it works just ...ok in 99% cases 😄

 

I will check the approach with exporting pictures directly to Tiff or PSD, as existing PNG converted to Tiff haven't changed anything.

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LEGEND ,
Jan 16, 2025 Jan 16, 2025
quote

 [...] as existing PNG converted to Tiff haven't changed anything.


By @michal_PL

 

Then something is really wrong with those PNGs... 

 

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Community Expert ,
Jan 16, 2025 Jan 16, 2025

All devices? All PDF readers? Browsers?

 

That, I'm afraid is a pipe dream. If it prints from Acrobat it's a valid PDF and you should alert anyone that wants to print it to use Acrobat or at the very least, provide a list of known PDF readers that don't work.

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Community Expert ,
Jan 17, 2025 Jan 17, 2025

Circling back to this, I would process the PNGs thru PS to PSD and relink. Then, making sure the whole document was Transparency Blend Mode > RGB, I would export to PDF interactive, which will be RGB and will print on desktop RGB-drivered printer machines.

Mike Witherell
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LEGEND ,
Jan 17, 2025 Jan 17, 2025

@Mike Witherell

 

There is sonerhingbwrong with those PNGs as they do not convert to TIFF correctly - there is no transparency.

 

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