Digital BW, The Print

I've been successfully using the Epson driver on a PC to produce nice BW prints with the R220 
and UTR2 inks. Thank you, forum! 
Have just switched to an Intel Macintosh and am not able to access the Epson driver to 
control printing after downloading the appropriate Intel Mac driver from the Epson website.  
Advice on how to control printing on the new Mac would be appreciated.
Thank you,
-Harlan