Some computer FAQ mostly Linux/Mac

No printer on the MAC?
In TERMINAL

http://127.0.0.1:631/printers/GIVE YOUR PRINTER A NAME like HP6 or whatever

http://127.0.0.1:631/printers/hp6



this opens up CUPS administration and from here follow the prompts to set up the printer

Remembering commands and how to use them to do what you want to do ....