.pdf files drop letters

RDG72
RDG72 used Ask the Experts™
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Ready for a fun one, experts?  Most users on our network have .pdf factory to create .pdf files.  3 users have full blown versions of Acrobat, mostly used to combine multiple files (.pdfs or Microsoft Office documents) into one .pdf   One of our Acrobat users has noticed when combining multiple documents into a single .pdf that random letters are dropped.  This has happened with Arial and recently Garamond fonts.

There are no dropped letters when viewing the .pdf on the screen, but the print out has letters missing.  The same issue occurs on multiple networked printers.  The printers will handle other .pdf documents without dropping letters.

I have replaced print drivers (universal, PS and PCL) and sampled the same document on all three machines with Acrobat.  The issue remains consistently inconsistent - dropping different letters (regular, bold or italic), occurring randomly on the same document, now with 2 different fonts.

Any ideas on how to eliminate possible causes and narrow down the root issue?
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Joanne M. OrzechManager, Document Services Center
Top Expert 2004

Commented:
How are the PDF files being created?  File, Print?

I suggest you first embed the ENTIRE font in the documents rather than just characters.  Then see if the problem recurs.
Also, try deleting the following file: C:\WINDOWS\system32\FNTCACHE.DAT

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Commented:
Thanks for the reply, JOrzech.  .pdf files are created 2 ways - in .pdf factory, they are generated using File->Print and selecting .pdf factory as the printer.  When I install .pdf factory in the office, the default is to "Embed All Fonts."  For the three users with Acrobat Pro loaded, I believe they simply import (or export) the file needed to .pdf suing an Acrobat plug in.

I will get to one of the machines today and attempt to delete the FNTCACHE.DAT file.

Do you think there is a chance it could be a legacy issue?  In other words, if one document was merged with a "corrupted" version of Arial or Garamond, do you think that could cause this random issue?  I'm just shooting in the dark...
Joanne M. OrzechManager, Document Services Center
Top Expert 2004

Commented:
As for your last question, I am really not sure.

And for the Adobe Pro users, I would go to Distiller and set the font embedding there...under Settings.

Good luck and keep us posted!
Commented:
Sorry to go dark for so long.  Deleting the  FNTCACHE.DAT file did not correct the issue.

The main user experiencing the issue has decided that the Embed Font checkbox is the issue.  If random letters are dropping from documents, then she goes into the settings and either checks or unchecks the Embed Fonts box.  This has replaced missing letters in all of her test cases.

The why or how is still a complete mystery, so I don't feel like it is settled, but I also do not know where to work on widdling it down.  I will close the question without awarding the points.  This was a really weird one...

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