I have a SDS100 and was working great until the last firmware update. I have main version 1.05.00, sub version 1.01.05 serial 38326088000919-0F6 installed and now scanner doesn't work any longer. Even when scanning nothing and display is blank showing nothing is being scanned; I hear a "crunch, crunch, crunch" rhythmic sound. I was working fine before when I firmware was updated. Any idea how to fix it now that it is broken. This is a desk scanner and has never been taken out of my house and received no abuse. I have restored it and still doesn't the absolute same thing.