Epson Expression 800 Reference Manual page 61

The scanner does not start scanning.
Problem
The scanner is not
ready to scan.
Your software or
interface is not
operating properly.
The scanner software does not work properly.
Problem
Your system doesn't
meet your software
requirements, or the
software is set up
incorrectly.
Troubleshooting
Solution
Wait until the READY light is on.
If you're running Windows, make sure you selected the SCSI interface
port when you installed your scanner software. Also, make sure the
SCSI interface board on your computer is installed properly. See
Setting Up and Using Your Scanner for details.
Confirm that the terminator and SCSI ID are set correctly. See
Understanding SCSI Connections
If you have other expansion boards in your computer, make sure that
they're not interfering with the interrupt setting of the SCSI interface
board for your scanner. (See your computer manual for details.)
Solution
Make sure you have correctly installed your software.
Make sure your computer system meets all the requirements specified
for your software.
Make sure your software supports this model of scanner.
Make sure the computer has enough memory for your software. If
you're running other software at the same time, using RAM resident
programs, or have many device drivers, the computer may not have
enough memory left. (See your software and computer manuals for
details.)
for instructions.
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