1. Click the apple menu in the top right corner of the mac and click on system settings.
2. Scroll down to Printers & Scanners on the left side.
   
3. Click the Add Printer, Scanner, Fax.... button.
   
4. Click the top middle globe icon on the new window that appears.
   
5. On the address line enter the IP address of the printer you want to add.
   
6. On the Name line enter what you want the printer to be named.  This can be the PR0003 number or something else.
   
7. On the Use line be sure the printer model is selected and click Add.