The fix in Comment #5 worked for me; adding 'use client driver = yes' under the [printers] section of /etc/samba/smb.conf
Same situation as OP: Ubuntu 11.10 upgrades to 12.04. Windows client: Windows XP -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in Ubuntu. https://bugs.launchpad.net/bugs/990388 Title: acces denied samba printer shares after upgrade precise To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/990388/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs