Find Manual here  ( PDF file )   :-

<http://docs.info.apple.com/article.html?artnum=50128>

Unless you specifically want 2 inputs working at the one time you should only need one cable.

USB to parallel cables are a stock item.

Panther is I think supposed to have a driver incorporated for it but if not
you may need to instal Gimp Print and possibly Ghost print.


Have fun

Bob