Important Notice for MB-4 users regarding RCS and machine updates! This announcement concerns correct updating of the MB-4 and the RCS unit. An RCS unit is required to update the MB-4 machine and it is imperative that both the RCS unit and the MB-4 machine have had the same upgrades. For customers who have purchased an RCS unit separately or are borrowing one, please make sure that the update versions correspond. Compatibility issues will occur if they do not. Back to Main Update Page