4.Replace the main board and secure it with the two screws.
5.Reconnect the printer interface cable and power cable, then switch on the printer.
6.Print a MenuMap (see page 32) and check that the Total Memory Size shown at the top of the MenuMap matches the memory now installed in the printer. If it doesn’t, turn the printer off and pull out the main board and check to be sure that the modules are all firmly seated in their connectors.
Sharp