b.Carefully insert the module in the socket, placing the ends into the slot in the lock tabs. Press down firmly, until you feel the board engage the connector, then make sure the white tabs come up to lock the module in place..
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.
NOTE
If the error message SERVICE CALL/034 appears on the LCD after switching the printer on, turn the printer off and pull the main board back out and make sure the memory modules have been installed correctly.
6.Print a MenuMap (see “Printing the MenuMap” on page 38) 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.