The key is to buy a Brother with all of: - ethernet - BR/Script3 (their PostScript clone) - duplex This advice has been good for the last 12 years or so. I

The key is to buy a Brother with all of: - ethernet - BR/Script3 (their PostScript clone) - duplex This advice has been good for the last 12 years or so. I never install their drivers; I just tell CUPS that there's a Brother in PS mode with a duplexer at a particular IP address, and then there's no further issue.