For epson 3880 updates:

http://www.epson.com/cgi-bin/Store/support/supDetail.jsp?oid=141552&infoType=Downloads

The page autodetects your OS, providing suggested driver to download.

ICC profiles are found here:

http://www.epson.com/cgi-bin/Store/jsp/Pro/ICCProfiles/proImagingICCProfiles_StylusPro3880.do?BV_UseBVCookie=yes&profileFor=proImagingICCProfiles_StylusPro3880