■If you have more than one scanner connected to your computer, make sure the Expression 1640XL is selected as your default scanner. For Macintosh, check the EPSON Scanner Selector. For Windows 2000 or Windows 98, check the Utility tab on the Expression 1640XL Properties window. For Windows 95 or NT, check the EPSON TWAIN Pro window.
■Make sure you selected EPSON TWAIN Pro as your TWAIN source.
■If you have an older EPSON scanner and have a previous version of EPSON TWAIN installed, uninstall the older version (Windows) or close any extensions like EPSON Scanner Monitor, EPSON Scanner Monitor USB, or EPSON Monitor 3 (Macintosh).
■If none of these solutions help, uninstall your software, then reinstall it. See the instructions for uninstalling software beginning on page 141.
You can’t start EPSON TWAIN Pro Network from a client computer . . .■Make sure the scanner and the scanner server are both powered on, and that the Scan Server is running on the server.
■Make sure the cables connecting the scanner, the scanner server, and the client computer meet system requirements and are properly connected.
■Make sure the correct IP address for the scanner server is entered in the EPSON TWAIN Pro Network setup window for the client computer.
■Make sure the network interface card is installed correctly in both the scanner server and the client computer.
■Make sure both the scanner server and client computer are running the TCP/IP protocol.
■If more than one scanner is connected to the scanner server, make sure the Expression 1640XL is selected as the default scanner.
The scanner software doesn’t work properly . . .■Make sure the system requirements (for example, the operating system version) are correct for your software. See “System Requirements” on page 161.
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