You might want to try iscan/epkowa. It officially supports the Epson Stylus SX510W, the network interface is supported via the iscan-network-nt proprietary plugin.
You can download the driver from here: http://www.avasys.jp/lx-bin2/linux_e/spc/DL2.do You'll have to scroll all the way to the bottom and fill out the short questionnaire to access the scanner drivers. You'll need to download and install the appropriate iscan, iscan-data and iscan-network-nt packages for your system. Happy scanning, -- Alesh Slovak Linux Team -- AVASYS Corporation alesh.slovak at avasys.jp http://avasys.jp
