On Thu, 6 Nov 2014 19:54:05 +0000 Brian Potkin wrote:
[...]
> Thank you for pursuing this so assiduously and for finding a solution
> within the cups and cups-filters framework.
You're welcome! :-)
As I said, I hope the strategy I found may help other users too.
> I wonder whether you have
> a PDF which is troublesome with the HP-LaserJet_1320-pxlmono.ppd
> but is ok with HP/hp-laserjet_1320-ps.ppd and could send it here?
Unfortunately I don't remember having ever found a troublesome PDF file
which was generated by me or is otherwise redistributable without nasty
restrictions.
Misbehavior usually happens with PDF files produced by other people,
probably with non-free tools.
For instance: the one I used as a test case for the
pdftops-renderer-default=pdftocairo strategy was created and produced
with "Microsoft® Word 2010", according to the pdfinfo output.
The PDF file originally sent by jaakov is instead generated by another
tool:
$ pdfinfo \
HensgenFinkelManber-TwoAlgorithmsForBarrierSynchronization.pdf
[...]
Creator: P06013001.TIF
Producer: PageGenie PDFGenerator
[...]
Please note that I tested the Hensgen PDF file too, before finding the
pdftops-renderer-default=pdftocairo strategy.
As I have previously said, I got blank pages when not passing through
cairo. I instead obtained a correct printout from zathura (which uses
cairo).
I haven't re-tested this file, but I suppose it will print correctly
with pdftops-renderer-default=pdftocairo ...
>
> I did try jaakov's Hensgen PDF with your print queues and my printer
> (an HP 2200DN) and had a a varied experience, which I will not bore
> anyone with. My tentative conclusion was that the Hensgen PDF just
> might not be kosher. But I know nothing about PDF structure so that is
> just a reaction to being knee-deep in paper. :)
My suspicion is that the cairo rendering makes PDF files printable,
even when they are *not* kosher in the first place.
That's why I described cairo rendering as "more robust"!
>
> I do not think doing anything purposeful with the original bug report
> is really possible without a PPD to work with.
Maybe jaakov has some further feedback to send in. Let's wait and see.
Bye.
--
http://www.inventati.org/frx/
fsck is a four letter word...
..................................................... Francesco Poli .
GnuPG key fpr == CA01 1147 9CD2 EFDF FB82 3925 3E1C 27E1 1F69 BFFE
Attachment:
pgpcmyrAJoSA2.pgp
Description: PGP signature