FLEX 6000 Series™ HARDWARE REFERENCE MANUAL is now available in a very high quality color printed version. The manual is printed by a high quality color laser printer, with double-sided pages, on heavy bright white paper stock, with heavy covers front and rear, and is 3-hole punched for insertion into a 3-ring binder. This manual normally ships by U.S.P.S. Latest version is shipped. If earlier version is desired, please notify when placing order.