I have the same problem. But my system is english with en_DK.UTF-8 locale. I have A4 in /etc/papersize and I have a printer that is setup to use A4. When I print from Firefox it always prints letter. I have Swedish as default language in Firefox.
$ lsb_release -rd Description: Ubuntu 8.04.1 Release: 8.04 $ apt-cache policy firefox firefox: Installed: 3.0+nobinonly-0ubuntu0.8.04.1 Candidate: 3.0+nobinonly-0ubuntu0.8.04.1 Version table: *** 3.0+nobinonly-0ubuntu0.8.04.1 0 500 http://se.archive.ubuntu.com hardy-updates/main Packages 100 /var/lib/dpkg/status 3.0~b5+nobinonly-0ubuntu3 0 500 http://se.archive.ubuntu.com hardy/main Packages -- [HARDY] Firefox print failure, default papersize erroneously Letter in German install https://bugs.launchpad.net/bugs/230011 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs