I had a problem printing to my 740 after installing Tiger. I went to the following web site:
http://www.epson.com/cgi-bin/Store/support/supDetail.jsp?oid=14361&prodoid=9931&BV_UseBVCookie=yes&infoType=Downloads&platform=Macintosh&x=19&y=4
and then I downloaded "epson10107.sea"
Exactly...