Brother HL-2270DW. I just plugged in the USB cable and it worked. If a driver
was installed it happened so quickly that I didn't notice.
I also found the splash screen a little strange, as it wasn't there the first
time I installed Trisquel, but appeared when I after installing libreboot,
installing Trisquel Mini for a while, and then switching back to Trisquel.
Ctrl+Alt+F* gives me the repeating "free firmware" error, same as when I try
to log in, except that instead of returning to the login screen after a few
minutes the error keeps repeating either indefinitely or a very long time.
