Abstract: Equipment designed to automatically process a photoengraving cylinder through a variety of processes including plating on a metal roll, surface polishing, corrosion, development, printing and the like. In order to make more efficient such processes, this invention is directed to an equipment improvement which can automatically determine the condition of a cylinder during any process steps common to any of such processes, and further move a roller to be processed (hereinafter called a photoengraving cylinder) successively during the whole sequence of steps of work.