1. Choose the Apple menu on the top left corner 
->
2. System Preferences ->
3. Printers and Scanners->
4. Select the + sign to add a printer->
5. If you are adding a printer that plugs directly into your computer (or dock), the printer will appear as USB select the corresponding printer and hit Add.
For a network printer/Wifi printer you will need an IP please ask tech support for the correct IP. Then, follow the same steps starting at step 4 and continue on to step 6.
6. To add a network printer, select the world icon from the Printers and Scanners menu
7. Under the address bar type in the IP that is given to your specific printer by tech support
8. Once you add the IP, the rest of the information will auto-populate
9. In the name bar, change the name of the printer to one that will be easy for you to remember.
10. Hit the add button and your printer will be added.
If more help is needed, please click on the link that will launch to a YouTube video showing the steps to adding a printer.