I have a Epson 4990. Haven't used it in years. I do not remember having this problem before.

I am using xsane to control the scanner.

When I do a 'preview' all is well. Then I hit 'scan' and I get an error..."failed to start scanner. error during device i/o"
When I scan without doing a preview all is well. So I guess that the problem is related to the preview step.

I noticed that when I do a scan or a preview the light on the scanner flashes once every second. However, as soon as a 'preview' is completed the light start flashing about 4 times a second. I am thinking this is an error code.

Any ideas what my problem is?