You do not know fix smash scanner? In general, about this you can learn from current article.
Many consider, that mending scanner - it simple it. However this really not quite so. Some users strongly wrong, underestimating complexity this business.
So, if you still decided own forces perform repair, then in the first instance need grab information how perform fix scanner. For these objectives one may use any finder, or hang out on popular community.
Hope this article may help you solve problem. The next time I will write how repair umbrella or lektropod.