So you have a cheap printer you want to share with others but not via your own computer. Use a RPi as a print server. Nice write up on how to do so. Only need a raspberry pi and you are good to go. Another tutorial below goes on how to add google cloud print to the mix too.
http://www.makeuseof.com/tag/make-wireless-printer-raspberry-pi/
https://gigaom.com/2014/07/02/need-a-low-cost-google-cloud-print-server-try-a-35-raspberry-pi/