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My printing company is complaining about some T3 fonts in a PDF I created (using "PDFTextify" in WinEDT). The image below shows how Acrobat DC reports these fonts:

enter image description here

Running the "pdffonts" command on my PDF prints many entries for these fonts (apparently they are embedded):

name    type encoding emb sub uni
[none]  T3   Custom   yes no  no 
[none]  T3   Custom   yes no  no 
... 
[none]  T3   Custom   yes no  no

If the fonts ARE EMBEDDED but are bitmats (as described here), how can I detect which package / instances are the offending ones, so that I can try change them to use other fonts?

Thanks, Jorge.

FINAL UPDATE: I found the culprits! I have stand-alone-generated tables that use the siunitx package, and (by default?) it was using bitmap fonts for some greek letters! Adding \usepackage{lmodern} as advised here replaced these fonts and solved the issue. Cased closed, thanks so much everyone for your help!

MWE:

\documentclass{standalone}
\usepackage{siunitx}
%\usepackage{lmodern}
\begin{document}
\begin{tabular}{l}
\SI{8.8}{\micro\meter}\\
\end{tabular}
\end{document}

Outputs without \usepackage{lmodern}:

enter image description here

name                                 type              encoding         emb sub uni object ID
------------------------------------ ----------------- ---------------- --- --- --- ---------
PEJPSC+CMR10                         Type 1            Builtin          yes yes no       4  0
CUJHND+CMMI10                        Type 1            Builtin          yes yes no       5  0
[none]                               Type 3            Custom           yes no  no       6  0

Outputs with \usepackage{lmodern}:

enter image description here

name                                 type              encoding         emb sub uni object ID
------------------------------------ ----------------- ---------------- --- --- --- ---------
JQGWLD+LMRoman10-Regular             Type 1            Custom           yes yes no       4  0
DGEJQT+LMMathItalic10-Regular        Type 1            Custom           yes yes no       5  0
JQGWLD+LMRoman10-Regular             Type 1            Custom           yes yes no       6  0
Henri Menke
  • 109,596
dontpanic
  • 809
  • Well, you can check if the fonts that you load have type 1 versions, for instance. Can you post the list of fonts you use? – Bernard Apr 24 '19 at 10:20
  • Look at the end of the log-file of pdflatex. It will tell you which fonts are included and which are bitmap (pk) fonts. – Ulrike Fischer Apr 24 '19 at 10:24
  • Thanks for your reply, Bernard. I've added the full list of fonts. The offending ones have "none" as name :\ – dontpanic Apr 24 '19 at 10:24
  • @dontpanic That's why Ulrike asked you to look in the log file. – egreg Apr 24 '19 at 10:29
  • Excuse my ignorance, but where is the pdflatex log located? I see some font-related messages in the main log ("my_document.log" file), should I post those? – dontpanic Apr 24 '19 at 10:31
  • At the end of the log is a list with pk and pfb names. Show this. – Ulrike Fischer Apr 24 '19 at 10:33
  • Found them! (see updated post). I just see .pfb entries though, not .pk – dontpanic Apr 24 '19 at 10:55
  • @dontpanic That doesn't correspond to the list produced by pdffonts: where are Arial and Helvetica? – egreg Apr 24 '19 at 11:04
  • Are you embedding pdf graphics in your document? – Ulrike Fischer Apr 24 '19 at 11:07
  • @UlrikeFischer: no embedded PDFs in the document, all the graphics are .EPS files – dontpanic Apr 24 '19 at 11:15
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    if you are using pdflatex it will convert the eps to pdf before including them. Use \usepackage[draft]{graphicx} to prevent the loading of images, compile and check if the type3 fonts are still there. – Ulrike Fischer Apr 24 '19 at 11:20
  • @all: I have included all the lines of my main compilation log that feature the word "font"... does something strange pops out? – dontpanic Apr 24 '19 at 11:40
  • @UlrikeFischer: I don't explicitly instantiate graphicx in my code, as it was clashing with some other package that also instantiated it, but now I don't remember which (probably multicol) Is there a way to brute-force pass the "draft" option to graphicx somewhere in my code? – dontpanic Apr 24 '19 at 11:44
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    \PassOptionsToPackage{draft}{graphicx} early enough (e.g. before documentclass). – Ulrike Fischer Apr 24 '19 at 11:53
  • Great! The PDF produced in draft mode does not have the offending fonts! How can I determine which are the figures with the offending fonts? – dontpanic Apr 24 '19 at 12:04
  • You'll probably have to try them one by one. I've make a new doc, with the same preamble, and just the figures. Then run them one by one and examine the fonts list. (if there are many images, I'd write a programme to do it) – daleif Apr 24 '19 at 12:10
  • Thanks everyone; I found the culprits and a solution! I however think this question shouldn't be flagged as "duplicate"; comparing the root of the problem (siunitx) and the solution, I think they are not really the same. – dontpanic Apr 24 '19 at 14:21

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