The scanner element or sensor tends to go off color as it fails. The change to B/W scanning is a nice way to extend the units life as not everything needs to be color.
Bob
PS. Parts can be impossible to find, no one will offer a manual on how to replace it.
I have a conoscan d 123ou scanner. Have a sudden change after years of problem free scanning. When I try to scan in color, the little box in the drop down list that says color is shaded and the image to be scanned is yellow. If I switch to gray scale or black and white, everything is as it should be. What could be causing this?

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