[cups] Printing CCITT and JBIG2 encoded images fails

[Vom Mond]

Hi Michael,

thank you for your quick reply. Do you have an idea how to narrow down the problem more, e.g. which of those two might be responsible?

Best
Emilio

> Michael Sweet hat am 26. Juli 2017 um 15:41 geschrieben:
> 
> Emilio,
> 
> If the driver is the same, it is probably a change in poppler or Ghostscript causing the problem.
> 
> > On Jul 26, 2017, at 6:01 AM, nag at mailbox.org wrote:
> > 
> > Hi All,
> > 
> > I am experiencing problems with printing PDF files containing images which are CCITT or JBIG2 encoded. They print to solid black pages with little artefacts at the bottom of the page. I am using CUPS 2.2.4, Arch Linux 4.11.9-1 and a Canon ImageRunner C1028i and installed the driver from here: https://aur.archlinux.org/packages/cndrvcups-lb-bin/. Plain text PDFs and PDFs containing JPEG encoded images print flawlessly.
> > 
> > 'cupsfilter --list-filters' on the respective files returns "gziptoany", as it does on every PDF i tested. 
> > 'cupsfilter --list-filters -P /usr/share/cups/modelCNCUPSIRC1030ZK.ppd -e' on the respective file lists following filters apart from 'gziptoany': 'pstoufr2cpca' and 'commandtops'. 
> > 
> > Here is a paste of my printers.conf: http://sprunge.us/OHSR
> > 
> > Following lines show up in my error_log, no matter whether the job succeedes (with plain text PDFs and/or PDFs containing JPEGs) or fails:
> > 
> > E [25/Jul/2017:15:08:26 +0200] [Job 41] src = bidiCommon.c, line = 1195, err = 0¥nDEBUG: Connecting to 192.168.178.89:9100
> > E [25/Jul/2017:15:09:46 +0200] [Job 42] src = bidiCommon.c, line = 1195, err = 0¥nDEBUG: Connecting to 192.168.178.89:9100
> > E [25/Jul/2017:15:15:16 +0200] [Job 43] src = bidiCommon.c, line = 1195, err = 0¥nDEBUG: Connecting to 192.168.178.89:9100
> > 
> > Does anyone have any idea what the problem could be? Printing the same documents under Ubuntu 16.04 worked just fine.
> > 
> > Many thanks and best regards,
> > Emilio Reggi
> > _______________________________________________
> > cups mailing list
> > cups at cups.org
> > https://lists.cups.org/mailman/listinfo/cups
> 
> _________________________________________________________
> Michael Sweet, Senior Printing System Engineer
> 
> _______________________________________________
> cups mailing list
> cups at cups.org
> https://lists.cups.org/mailman/listinfo/cups