I'm having similar problems.
Printer: Brother HL-5150D
OS: Fresh install of kubuntu 7.10 from the "alternative" disc (text install
method) - as downloaded 2008-02-09.
I'm getting various problems - they seem to be permission related.
The problem goes away when I do the following:
# cd dev
# chmod 777 usb* usb/*
I can now print. I was unable to add the printer until I did this.
As soon as I reboot, the problem returns. The problem must be with
hal/dbus setting the permissions wrong, and I'm sure I can fix it with a
bit more effort. I'm reporting this as a bug because it's a fresh
install, so I assume its not something I've done
Thanks,
Mark
Versions of CUPS programs installed:
ii cups-pdf 2.4.6-3ubuntu10
PDF printer for CUPS
ii cupsys 1.3.2-1ubuntu7.5
Common UNIX Printing System(tm) - server
ii cupsys-bsd 1.3.2-1ubuntu7.5
Common UNIX Printing System(tm) - BSD comman
ii cupsys-client 1.3.2-1ubuntu7.5
Common UNIX Printing System(tm) - client pro
ii cupsys-common 1.3.2-1ubuntu7.5
Common UNIX Printing System(tm) - common fil
ii cupsys-driver-gutenprint 5.0.1-0ubuntu8
printer drivers for CUPS
ii gnome-cups-manager 0.31-3ubuntu5
CUPS printer admin tool for GNOME
ii hal-cups-utils 0.6.13+svn83-0ubuntu1
CUPS integration with HAL
ii libcupsimage2 1.3.2-1ubuntu7.5
Common UNIX Printing System(tm) - image libs
ii libcupsys2 1.3.2-1ubuntu7.5
Common UNIX Printing System(tm) - libs
ii libgnomecups1.0-1 0.2.2-5ubuntu1
GNOME library for CUPS interaction
ii libgnomecupsui1.0-1c2a 0.31-3ubuntu5
UI extensions to libgnomecups
ii python-cups 1.9.27-0ubuntu1
Python bindings for CUPS
ii hal 0.5.9.1-6ubuntu5
Hardware Abstraction Layer
ii hal-info 20070618-1ubuntu3
Hardware Abstraction Layer - fdi files
ii libhal-storage1 0.5.9.1-6ubuntu5
Hardware Abstraction Layer - shared library
ii libhal1 0.5.9.1-6ubuntu5
Hardware Abstraction Layer - shared library
--
7.10 /usr/lib/cups/backend/hal failed
https://bugs.launchpad.net/bugs/174403
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