Indicator Lights; Command Error; Fatal Error; Option Error - Epson Expression 636 User Manual

If you encounter any problems while using the scanner, check
this chapter for possible solutions. Most problems fall into the
following major categories:
Also see the documentation that came with your software,
computer, and printer for possible solutions.

Indicator Lights

If an error occurs, the scanner stops operating and the READY
and ERROR lights show the type of error.
READY light
On
Flashing
Off

Command error

The scanner has received incorrect commands from your
scanning software.
If this error occurs, try to rescan the document. The scanner
returns to normal when it receives correct commands.
Normally you do not need to reset the scanner.
4-2
Troubleshooting
ERROR light
On
Flashing
Off
Error type

Command error

Interface error

Fatal error

Option error

I