Install Brother DCP-7010 under Arch Linux

This how-to will enable you to print and scan with a Brother DCP-7010 printer under Arch Linux. (For deb- and rpm-based Distributions, there are drivers available.)

1. Install brother-dcp7010 and brscan2 via AUR
2. Install sane and a frontend for it, e.g. xsane
3. Add your user to the scanner-Group: gpasswd -a username scanner
4. Add the keyword brother2 to /etc/sane.d/dll.conf
5. Log out and back in

You should now be able to print and scan.