Are you tired of your process roll producing scrap? Are you ready to have it re-ground or have its cover replaced? Believe it or not that tired troublesome roll could in fact be the key to discovering why your process line keeps having certain repeated troubles. Careful and detailed analysis of your roll and its cover material can be a wealth of information about your line. This paper will discuss some of the methods used for roller analysis and some of the hidden information about your line that can be discovered through those methods.