If you find that your print job doesn't leave the computer, please check to see if you have a message in print queue.
1 - Click the Apple logo in the top left corner.
2 - Click on "System Preferences"
3 - Click on "Printers & Scanners"
4 - Double-click on the printer you are trying to print to
5 - Make sure printer is not paused. If you see a button that says, "resume," please click it.
6 - Make sure printer is not "waiting for authentication" - If you see this message, click on the little circular arrow icon to the right of the print job and re-enter your password.
If your printing issues are not resolved by the steps above, please submit a ticket.
Root Causes: Printer has been paused. User has changed password and not updated the password for printing. Attempting to print to a printer that is offline can cause printer to pause as well.