7-20 Maintenance and Troubleshooting
R4C0910
Rev. C
A5 size TRBLE.FM
1/12/00 Pass 3
LProof Sign-off:
SEI Y.Takasaki M.Fujimori
M.Fujimori
SEI M.Kauppi
Software operation problems

You cannot start EPSON TWAIN Pro.

Cause What to do
Scanner is switched off. Turn on the scanner and then turn on
the computer.
Interface cable is unsuitable. Make sure the interface cable meets
the requirements of your interface
board. See the manual that comes with
the interface board.
Connection is not made
properly.
Turn off the scanner and computer
and check the connection between the
scanner and the computer.
Interface board is not
installed properly.
Make sure the interface board is
installed correctly.
Incorrect selection of
TWAIN Data Source in
application.
Make sure that EPSON TWAIN Pro is
selected properly in your application
software. See “Starting EPSON
TWAIN Pro through your application
software” on page 4-7.