Public bug reported:
Binary package hint: cups
Under Ubuntu Lucid, the new PDF workflow in CUPS poses various problems
for various printers: jobs will either not print (and may crash the
printer) or print "very slowly". These are reports from various
customers.
We have seen a bunch of Ricoh printers fail (killing the user interface
of the printer, a hard reset is necessary to be able to use the printer
again); notably a Ricoh Aficio AP4510 PS that crashes; and a Ricoh1224c
that sometimes does not print; a Panasonic printer, DP-C265 (printing
will sometimes suddenly reset the printer); but also other customers
complain about not being able to print anymore, on various brands of
printers (we've seen Brother and HP)
We heavily suspect the new PDF workflow in CUPS, as the following workaround
works:
change /usr/share/cups/mime/mime.convs to say:
application/pdf application/vnd.cups-postscript 43 pdftops
application/postscript application/vnd.cups-postscript 65 pstops
This, essentially, makes the workflow use Postscript again when either
PDF or Postscript is presented.
Unfortunately, a crashing printing interface does not normally tell why
it is crashing, so I suspect this bug to be quite hard to dig further
into. Somewhere between pstopdf, pdftopdf and cpdftocps, something goes
wrong. It may even be the file size (but I couldn't find any size
information in the ipp backend log messages that Cups sends out with
debug-logging enabled).
There are many bugs that may be related to this: bug #655422 (Sending
pdf and ps files to a printer routinely fails), Bug #665978 (Slow
Printing), Bug #667102 (Printing errors after upgrade).
** Affects: cups (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/691130
Title:
PDF workflow flawed, crashes printers
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