Well I talked to Kodak and they are going to fix it for FREE. I just have to pay shipping. They also offered a upgrade to the LS743 for $125 plus shipping. I thought this was very nice of Kodak!
I've had my Kodak Ls433 going on 2 years now and all of a sudden last night I'm having this exact same problem. I've gone through all the settings and can't figure out what happend. It was working...