What protocol do networked scanners use? Linux server emulation of same?

TLDR: What protocol do network scanners use, and how do I use that to set up a Linux scan server to OS X client? I have a Brother DCP-7065DN laser printer/scanner. It's great. It's connected to the network through its native 10/100 port and we use it to print and scan from our computers (Macs running 10.8). When we scan over the network, it goes VERY slowly because it is bottle-necked by the 10/100 network connection (100mbps is somewhere around 1/3 of the speed of USB 2.0). That got me thinking, what if we connected it by USB to our server and set it up as a print/scan server? The server is a

Question by No Good Nate on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.