Public bug reported:

system-config-printer-gnome version 1.4.3+20140219-0ubuntu2.1
python-cups version 1.9.66-0ubuntu2
libcups2 version 1.7.2-0ubuntu1.1

I have my systems configured to talk to a cups 1.3 server, which only
speaks IPP 1.1, so I have in /etc/cups/client.conf:

ServerName cups-serv.example.com/version=1.1

...and printing from applications and the command line works fine.

When I run system-config-printer, all the printers are shown in a
dialogue box, but attempting to refresh the dialogue box or perform any
operation on any of the printer icons in the box produces an error box
saying:

CUPS server error

There was an error during the CUPS operation: 'Bad Request'.


Viewing the network traffic with wireshark I see that system-config-printer is 
making some requests with IPP version 2.0, and it is these requests which the 
CUPS server is objecting to.  system-config-printer (or perhaps the python CUPS 
libraries it uses, or perhaps the underlying C CUPS API) should respect the 
version=1.1 option in client.conf.

** Affects: system-config-printer (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1364025

Title:
  system-config-printer fails with cups-client talking to cups 1.3
  server

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