Epson 802.11g Reference Manual page 63

5. For Mac OS X:
Click Basic under TCP/IP. Select a method for specifying the
IP address. If you select Automatic, DHCP becomes
available and assigns an IP address automatically. If you want
to set the IP address manually, select Manual and enter the
IP address, subnet mask, and default gateway.
For Mac OS 9:
Click Basic under AppleTalk. Make sure the Use AppleTalk
check box is selected, and then make the necessary settings.
6. Click the Send button to send the settings to the network
interface.
7. Pull out the USB cable from your computer and the network
interface.
8. Set up the device. See "Setting up the device" for details.
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