Setup guide
57
If Expression 836XL doesn’t 
appear in the Port Id dialog box in 
the EPSON TWAIN Pro Setup 
window (Windows only). . .
■
Make sure your system is correctly 
cabled and terminated and there 
are no conflicting SCSI IDs.
■
Go to 
Control Panels, System, 
Device Manager
. Double-click 
the 
Unknown Devices
 icon. 
Select 
Expression 836XL
 and 
remove it from the system. Restart 
your computer. Then reinstall the 
scanner software.
If no image appears in the EPSON 
TWAIN Pro Setup window when 
you click the 
Test
 button 
(Windows only). . .
■
Make sure your system is correctly 
cabled and terminated and there 
are no conflicting SCSI IDs.
■
Make sure you have a document 
face down on the document table.
Scanner Problems
If the 
OPERATE
 light doesn’t 
come on or blinks slowly
. . .
Check the scanner power cord. 
Make sure the power cord is securely 
plugged into the scanner and the 
power outlet, and that the scanner is 
turned on. Also, check that the 
power outlet is working and provides 
sufficient power for the scanner.
If the scanner doesn’t scan your 
image. . .
■
Check your image source 
setting. Make sure you selected 
Expression 836XL
 if you are 
using LaserSoft SilverFast 4.0, or 
EPSON TWAIN Pro 
if you are 
using EPSON TWAIN Pro.
■
Make sure that the SCSI 
terminator is set up correctly. See 
“Connect the Scanner to Your 
Computer” on page 16 for details.
■
Run the scanner test (Windows 
only) to make sure the scanner is 
communicating with your 
computer. 










