It seems that we have narrowed down the problem to be a bug in Kyocera's
PostScript interpreter to make the printers incompatible with the
PostScript output of Ghostscript's "ps2write" output device.
A simple modification on the PostScript solves the problem and you can
easily test it. Take any Ghostscript-generated PostScript file which
makes your Kyocera printer hanging, for example one of the files
attached to this bug. Edit the file with a text editor like "gedit"
adding the line
/bind {} bind def
right after the line
%!PS-Adobe-3.0
which should be at or at least near the beginning of the file. Now send
the file to the printer again with "nc". It should print now.
I will modify the pdftops CUPS filter to insert said line into the
PostScript output of Ghostscript if the printer is a Kyocera. This can
slow down printing performance a bit but most important is to be able to
print at all.
Note that this does not work for Brother printers and so does not fix
bug 950713.
** Package changed: cups (Ubuntu) => cups-filters (Ubuntu)
** Changed in: cups-filters (Ubuntu)
Status: Incomplete => Triaged
** Changed in: cups-filters (Ubuntu)
Milestone: None => ubuntu-12.04-beta-2
** Changed in: cups-filters (Ubuntu)
Assignee: (unassigned) => Till Kamppeter (till-kamppeter)
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https://bugs.launchpad.net/bugs/951627
Title:
all Kyocera network printers stopped working with cups 1.5.2
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