[cups] PDF workflow with old server?

Johan Bengtsson elijah at chalmers.se
Wed Apr 15 12:10:04 PDT 2015

On Wed, 15 Apr 2015, Helge Blischke wrote:

> Well, I think the problems are due to the pdftops filter implemented on the server machine.
> Though the error_log does not tell which system CUPS is running on, I think it is some
> Linux distribution.

Redhat Enterprise Linux.

> The problem is that the pdftops filter implemented uses Ghostscript to do the conversion
> using the pswrite device. That device renders all glyphs ov all fonts as bitmaps, which leads
> to huge PostScript files and thus to long processing and printing times.
> The best solution I can propose is the following:
> –	Check if there is a utility „/usr/bin/pdftops“ of „/usr/local/bin/pdftops“.
> 	If not, install a the package „doppler-utils“ (this is the name in Ubuntu and Ubuntu derived
> 	distributions)
> 	or
> 	download
> 	„xpdf-3.04.tar.gz“ from „www.foolabs.com/xpdf/download.html <http://www.foolabs.com/xpdf/download.html>“
> 	and compile and install it.
> _	get the Perl script „pdftops“ from me and put it into the „/usr/lib/cups/filter“ directory
> 	(for safety reasons, save the original pdftops filter!).
> Let me know if this is an option for you. If yes, I’ll send you the Perl script and a pdftops.conf file
> I used ever since.

That sounds interesting, you can go ahead and send it!:-)

Johan Bengtsson/Chalmers IT-service

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