You can find useful information on site?
http://www.epson.com/cgi-bin/Store/support/SupportSnowLeopard.jsp
Mac OS X Snow Leopard Support
Contact Support
Welcome to Mac OS X Snow Leopard v10.6 support for Epson products. Here you can find out how to get drivers and other Epson software for your Epson product that work with Mac OS X Snow Leopard v10.6.
Check your Epson product CD to see if it already contains Macintosh OS X 10.6 drivers. If the CD indicates support for Macintosh OS X 10.6, follow the instructions that came with your Epson product to install your drivers and other software.
If your Epson CD
does not indicate support for OS X 10.6,
DO NOT INSERT YOUR EPSON PRODUCT SOFTWARE CD IN YOUR SNOW LEOPARD COMPUTER. Follow the step-by-step instructions below to obtain the latest software and utilities for your Epson product as they may be needed for this new operating system.
Good Luck.