Film Adapter is not switched
off.
Software operation problems
You cannot start EPSON TWAIN.
Cause
Scanner is switched off.
Interface cable is unsuitable.
Connection is not made
properly.
Interface board is not
installed properly.
Incorrect selection of
TWAIN Data Source in
application.
7-22
Maintenance and Troubleshooting
If the Film Adapter is installed, make
sure it is switched off.
What to do
Turn on the scanner and then turn on
the computer.
Make sure the interface cable meets
the requirements of your interface
board. See the manual that comes with
the interface board.
Turn off the scanner and computer
and check the connection between the
scanner and the computer.
Make sure the interface board is
installed correctly.
Make sure that EPSON TWAIN 4 or
4U is selected properly in your
application software. See "Starting
EPSON TWAIN through your
application software" on page 4-8.