diff --git a/src/conf_defaults.lua b/src/conf_defaults.lua
index 6e523d8..26fecf1 100644
--- a/src/conf_defaults.lua
+++ b/src/conf_defaults.lua
@@ -114,6 +114,7 @@ M.printer_startcode = {
 	default_ultimaker2 = 'M109 S{printingTemp} ;set target temperature \nM190 S{printingBedTemp} ;set target bed temperature\nG21 ;metric values\nG90 ;absolute positioning\nM107 ;start with the fan off\nG28 ; home to endstops\nG1 Z15 F9000 ;move the platform down 15mm\nG92 E0 ;zero the extruded length\nG1 F200 E10 ;extrude 10mm of feed stock\nG92 E0 ;zero the extruded length again\nG1 F9000\nM117 Printing Doodle...   ;display message (20 characters to clear whole screen)\n',
 	default_makerbot_generic = default_makerbot_startcode,
 	default_makerbot_replicator2 = default_makerbot_startcode,
+	default_makerbot_replicator2x = default_makerbot_startcode,
 	default_makerbot_thingomatic = default_makerbot_startcode,
 	type = 'string',
 	subSection = 'printer_type',
@@ -126,6 +127,7 @@ M.printer_endcode = {
 	default_ultimaker2 = 'M107 ;fan off\nG91 ;relative positioning\nG1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure\nG1 Z+5.5 E-5 X-20 Y-20 F9000 ;move Z up a bit and retract filament even more\nG28 ;home the printer\nM84 ;disable axes / steppers\nG90 ;absolute positioning\nM104 S{preheatTemp}\nM140 S{preheatBedTemp}\nM117 Done                 ;display message (20 characters to clear whole screen)',
 	default_makerbot_generic = default_makerbot_endcode,
 	default_makerbot_replicator2 = default_makerbot_endcode,
+	default_makerbot_replicator2x = default_makerbot_endcode,
 	default_makerbot_thingomatic = default_makerbot_endcode,
 	type = 'string',
 	subSection = 'printer_type',