Epson Perfection 640U Scanner Basics - Page 50

Problems and Solutions, Setup Problems, Scanner Problems

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Problems and Solutions If you're having problems, this section answers some of the most common questions. Setup Problems Your system doesn't recognize the scanner. s Make sure your scanner is plugged into a power source. If you opened your host application before you plugged in your scanner, close your application and reopen it. s Check the USB cable connection or try using another USB cable. s If you get the message, "No push button scanner found," unplug your scanner, shut down your computer, plug in your scanner, and then turn on your computer. You are unable to install EPSON TWAIN in Windows. s In Windows 2000, don't select Block under Control Panel, System, Hardware, Driver Signing; select Ignore or Warn instead. s If you see an error message or the software doesn't install correctly on Windows 2000, you may not have software installation privileges. See your system administrator. s If you are installing EPSON TWAIN in Windows 98, you may be prompted for the Windows 98 CD-ROM. If you are prompted and don't have your Windows 98 CD-ROM, browse to the Sys folder on the scanner software CD-ROM to continue the installation. Scanner Problems The indicator light doesn't come on or blinks slowly. Make sure the power cord is connected to the scanner and plugged into a power outlet. Also, check that the power outlet is working and provides sufficient power for the scanner. The fluorescent lamp isn't on. s Make sure the power cord is connected to the scanner and plugged into a power outlet. Problem Solving 45

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Problem Solving
45
Problems and Solutions
If you’re having problems, this section answers some of the most common questions.
Setup Problems
Your system doesn’t recognize the
scanner.
■
Make sure your scanner is
plugged into a power source.
If you opened your host
application before you plugged
in your scanner, close your
application and reopen it.
■
Check the USB cable
connection or try using another
USB cable.
■
If you get the message, “No
push button scanner found,”
unplug your scanner, shut down
your computer, plug in your
scanner, and then turn on your
computer.
You are unable to install EPSON
TWAIN in Windows.
■
In Windows 2000, don’t select
Block
under
Control Panel
,
System
,
Hardware
,
Driver
Signing
; select
Ignore
or
Warn
instead.
■
If you see an error message or
the software doesn’t install
correctly on Windows 2000,
you may not have software
installation privileges. See your
system administrator.
■
If you are installing EPSON
TWAIN in Windows 98, you
may be prompted for the
Windows 98 CD-ROM. If you
are prompted and don’t have
your Windows 98 CD-ROM,
browse to the
Sys
folder on the
scanner software CD-ROM to
continue the installation.
Scanner Problems
The indicator light doesn’t
come on or blinks slowly.
Make sure the power cord is
connected to the scanner and
plugged into a power outlet. Also,
check that the power outlet is
working and provides sufficient
power for the scanner.
The fluorescent lamp isn’t on.
■
Make sure the power cord is
connected to the scanner and
plugged into a power outlet.