Use of my first Raspberry Pi is a print server. I used it for both scanner, printer and 3D printing. Here are some useful resources to setup your own.
Using as a print server (even with airprint) :
Using as a scanner server :
- http://blog.pi3g.com/2013/04/raspberry-pi-sharing-a-scanner-with-the-network-even-windows/
- https://help.ubuntu.com/community/ScanningHowTo
Using as a 3D printer server :