Apple has released Epson Printer Drivers 2.5.1 for Mac OS X 10.6 and higher. You can obtain the 837.73MB download by using the Software Updates component of Mac OS X’s Systems Preferences app.
This update installs the latest software for your Epson printer or scanner. You can view a list of supported Epson models at http://support.apple.com/kb/HT3669#epson .