Re: Konica-Minolta 4750en crashed using CUPS 1.52 but not 1.50

> Mark Blades wrote:
>
> > Hi
> >
> > I just updates my Ubuntu desktop to 12.04 (fresh install rather than
> > upgrade).  ON reinstalling my printers from the cups web interface I found
> > that the 4750en although found and installed by CUPS using the same ppd
> > file (from K-M support site) any job sent to the printer from cups 1.52
> > hangs the printer (flashing processing light and the printers web
> > interface becomes unreachable).  I have tried installing as a jet/direct
> > or ipp printer to no avail.  Also tried installing via USB with the smae
> > results.
> >
> > I have a laptop with cups 1.50 (on ubuntu 11.10) installed and this prints
> > fine over ethernet using either jet/direct or ipp protocols.
> >
> > I am currently trying to find a way to print to file from the 2 cups
> > versions so that I can compare the PS output for any clues but can't see a
> > way to do that? If the problem is malformed postscript can I send a .pdf
> > to the printer from the shell to bypass the interpreter?
> >
> > any help much appreciated
> >
> > Mark
>
> To save the final data sent to the printer, you may do the following:
> (1) shut down cups
> (2) save the file /etc/cups/printers.conf for safety
> (3) for the printer in question, change the DeviceURI line to
>     DeviceURI file:///absolute_path_to_destination_file
> (4) make the directory where the destination file should be written to
>     world wrietable
> (5) start cups
> (6) make a test print using the same source that caused the problem
> (7) shut down cups
> (8) restore the original DeviceURI for the printer in question in
>     /etc/cups/printers.conf
> (9) start cups
> (10) post (an URL to) the saved sample files.
>
> Note that steps 2,3, and 8 must be done as root (or via sudo command).
>
> Helge
>
Thanks for the quick reply Helge.

I have uploaded a printer test doc (.odt format) and the output on cups 1.50 (ubuntu 11.10) and cups 1.52 (ubuntu 12.04).  The url is

https://sites.google.com/site/kmcupstest/

thanks in advance for any insights!