Printers: cannot cancel job using GUI

[shinyblue]

Gnome settings Printers plugin show jobs, but selecting on and clicking the square button (presume that means cancel) does nothing except disable that button.

Visit http://localhost:631 and the job is easily cancelable.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-settings-daemon 3.4.2-0ubuntu0.4
ProcVersionSignature: Ubuntu 3.2.0-32.51-generic 3.2.30
Uname: Linux 3.2.0-32-generic x86_64
ApportVersion: 2.0.1-0ubuntu13
Architecture: amd64
Date: Fri Oct 26 09:24:27 2012
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120822.4)
ProcEnviron:
 LANGUAGE=en_GB:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-settings-daemon
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.