When an error occurs, the scanner stops operating and the Error and Ready lights indicate the error type.
Make sure your scanner’s power cord is securely connected to the scanner and a working electrical outlet.
Make sure the electrical outlet works. If necessary, test it by plugging in another electrical device and turn it on.
Make sure the scanning software is not running.
Make sure the scanner is turned on.
Turn off the scanner and computer, then check the interface cable connection between them to make sure it is secure.
Use the USB cable that came with your scanner or that is indicated in USB Interface.
Connect the scanner directly to the computer’s USB port or through one USB hub only. The scanner may not work properly when connected to the computer through more than one USB hub.
Make sure your computer supports USB. See Checking For Windows USB Support for instructions.
If you are using any TWAIN-compliant program, such as ScanSoft PaperPort, make sure that the correct scanner is selected as the Scanner or Source setting.
If you upgraded your computer’s operating system, you need to reinstall Epson Scan. Uninstall Epson Scan as described in Uninstalling Your Scanning Software, then reinstall it as described in the Start Here sheet.
For Windows only:
If you are using the SCSI interface, make sure the scanner’s SCSI ID and terminator are set correctly. See Setting Up the SCSI Interface for details on making these settings. If you have other expansion boards in your computer, make sure that their interrupt settings are not interfering with your SCSI board. See your computer’s documentation for details.
If you are using the SCSI interface, make sure the SCSI cable meets the requirements of the SCSI board in your computer. Refer to the documentation that comes with the interface board.
If you are using the SCSI interface, make sure the SCSI board in your computer is installed correctly.
If you are using the SCSI interface, change the scanner’s SCSI ID number to one that is not being used by any other SCSI device.
If you are using the SCSI interface, check the SCSI connection sequence and make sure the terminator switch of the end device on the daisy chain is set correctly.
Make sure your scanner’s name appears under Imaging devices without a (?) or an exclamation (!) mark in the Device Manager window. If the scanner’s name appears with one of these marks or as an Unknown device, uninstall Epson Scan as described in Uninstalling Your Scanning Software, then reinstall it as described in the Start Here sheet.
Windows Vista: Click and select Control Panel.
Windows XP: Click Start and select Control Panel.
Windows 2000: Click Start, point to Settings, and select Control Panel.
Windows Vista: Click Device Manager, then click Continue in the User Account Control window.
Windows XP and 2000: Click the Hardware tab, then click Device Manager.
If a USB Universal Host Controller and USB Root Hub are listed, Windows supports USB.
Make sure Epson Scan is installed correctly.
Windows Vista and XP: Click the Events tab in your scanner’s Properties window and make sure Take no action is not selected. Also, make sure the Start Button is selected in the Select an event list box, and Start this program is selected. See Assigning a Program to the Start Button for details.
Click the Events tab in your scanner’s Properties window and make sure the Disable device events check box is not checked. Also, make sure the Start Button is selected in the Scanner events list box, and the desired application is selected in the Send to this application list. See Assigning a Program to the Start Button for details.
Mac OS X: Make sure you are logged on as the user who installed the scanner software. Other users must first start Epson Scanner Monitor in the Applications folder and then press the Start button to scan.