Epson FF-640, User Manual

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• Make sure your computer is not running in a power-saving mode, such as sleep or standby. If so,
wake your system and restart your scanning software.
• Make sure the scanner is turned on.
• Make sure the connection between the scanner and your computer is secure.
• If you upgraded your operating system but did not reinstall your scanning software, try reinstalling it.
• Connect the scanner directly to the computer. The scanner may not work properly when connected
through a USB hub.
• If you are scanning using OS X, make sure no other Epson scanner drivers are installed. If other
drivers are installed, uninstall them, then reinstall this scanner's software.
• If you are using a TWAIN-compliant program, make sure that the correct product is selected as the
Scanner or Source setting.
Parent topic: Solving Scanning Problems
Related concepts
Uninstall Your Scanner Software
Cannot Start Epson Scan
If you cannot start Epson Scan, try these solutions:
• Make sure your scanner is turned on and any interface cables are securely connected at both ends.
• Make sure Epson Scan is selected in your scanning program.
• Make sure your computer is not running in a power-saving mode, such as sleep or standby. If so,
wake your system and restart Epson Scan.
• If you connected the scanner using a USB cable, make sure it is connected directly to your computer
or through only one USB hub.
• Check the connection setting and test the connection using Epson Scan Settings:
• Windows 10 : Click . Select All Apps > EPSON > EPSON Scan Settings . Click the Test button.
• Windows 8.x : Navigate to the Apps screen and select EPSON Scan Settings . Click the Test
button.
• Windows (other versions) : Click or Start > All Programs or Programs > EPSON > EPSON
Scan > EPSON Scan Settings . Click the Test button.
• OS X : Open the Applications folder, click Epson Software , and click EPSON Scan Settings .
Click the Test button.