Lennox Hearth MAGICOLOR 4650EN - Manual (Page 236)

Dual In-Line Memory Module (DIMM) 222
9
Reconnect the power cord, and
turn on the printer.
10
Declare the additional Printer Memory in the Windows printer driver
(Properties/Configure tab).
11
Print a configuration page ( PRINT MENU/CONFIGURATION PG ) and
verify that the total amount of the RAM installed in your printer is listed.