Thanks for replying!With help from a YouTube tear-down video I managed to open the scanner and clean all 4 mirrors (and of course both sides of the glass). Which had no effect at all on the line pattern. So I guess it must be the sensor.Why this does...
Did you find a solution to this? I'm having the same problem with my CanoScan 4400F.Scanning documents is OK, scanning films/slides (only 1 film strip or 4 slides possible with this model) gives colored lines. Your post is the only one I found with a...