In order to print from a personal, non-managed device, you will have to install PaperCut Mobility Print. The installers are linked below for convenience.
Windows: pc-mobility-print-printer-setup-1.0.250[10.20.112.100].exe
Mac: pc-mobility-print-printer-setup-1.0.42[10.20.112.100].dmg
Simply run the installer with default settings, then try to print to the desired printer. It will ask you for your username and password. You should also be able to use your username instead of the full email. (example, cdrife vs cdrife@copperislandacademy.org)