Oki Data CONFIDENTIAL45762101TH Rev.1 6-186. CONNECTION DIAGRAMS6.4.3 Checking and indication of the revision number(1) Print out MenuMap and check to make sure that the firmware revision number hasbeen updated.6.4.4 Stamp of maintenance board indicationA designated article number is stamped in the area for maintenance board indication on theCU/PU board (MRM) in accordance with the 45724901YA.Designated stampinglocationA designated article number is stamped in the area for maintenance board indication on theSU board (MSU) in accordance with the 45762401RP.Designatedstampinglocation