The S7000 manual says " turn the camera on again taking care not to touch the lens" if that doesn't sort it the next step is to return the camera to Fuji for repair.
I guess its not an easy or cheap fix.
Pete
January 2007
I can answer this question...
how to repair focus error for fuji s7000 digital camera?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix digital cameras.