diff --git a/Firmware/Configuration.h b/Firmware/Configuration.h
index 738c7ba27..72e14daef 100644
--- a/Firmware/Configuration.h
+++ b/Firmware/Configuration.h
@@ -5,7 +5,7 @@
 #include "Configuration_prusa.h"
 
 // Firmware version
-#define FW_version "3.0.12-RC2"
+#define FW_version "3.0.12"
 
 #define FW_PRUSA3D_MAGIC "PRUSA3DFW"
 #define FW_PRUSA3D_MAGIC_LEN 10
diff --git a/Firmware/ConfigurationStore.cpp b/Firmware/ConfigurationStore.cpp
index f7f64094c..5586ee3d3 100644
--- a/Firmware/ConfigurationStore.cpp
+++ b/Firmware/ConfigurationStore.cpp
@@ -350,6 +350,9 @@ void Config_RetrieveSettings()
 		calculate_volumetric_multipliers();
 		// Call updatePID (similar to when we have processed M301)
 		updatePID();
+		float tmp1[] = DEFAULT_AXIS_STEPS_PER_UNIT;
+		axis_steps_per_unit[3] = tmp1[3];
+
         SERIAL_ECHO_START;
         SERIAL_ECHOLNPGM("Stored settings retrieved");
     }
diff --git a/Firmware/Marlin_main.cpp b/Firmware/Marlin_main.cpp
index c416dea2c..d8919b9dc 100644
--- a/Firmware/Marlin_main.cpp
+++ b/Firmware/Marlin_main.cpp
@@ -5103,7 +5103,7 @@ case 404:  //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
         lastpos[Z_AXIS]=current_position[Z_AXIS];
         lastpos[E_AXIS]=current_position[E_AXIS];
 
-        //Restract extruder
+        //Retract extruder
         if(code_seen('E'))
         {
           target[E_AXIS]+= code_value();
@@ -5249,6 +5249,7 @@ case 404:  //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
           }
 
         }
+		WRITE(BEEPER, LOW);
 #ifdef SNMM
 		display_loading();
 		do {
@@ -5264,7 +5265,7 @@ case 404:  //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
 #endif
         //Filament inserted
         
-        WRITE(BEEPER,LOW);
+        
 
 		//Feed the filament to the end of nozzle quickly        
 #ifdef SNMM
diff --git a/Firmware/language_all.cpp b/Firmware/language_all.cpp
index a7877f17c..0599299ed 100644
--- a/Firmware/language_all.cpp
+++ b/Firmware/language_all.cpp
@@ -627,6 +627,23 @@ const char * const MSG_CARD_MENU_LANG_TABLE[LANG_NUM] PROGMEM = {
 	MSG_CARD_MENU_NL
 };
 
+const char MSG_CENTER_EN[] PROGMEM = "Center:";
+const char MSG_CENTER_CZ[] PROGMEM = "Stred:";
+const char MSG_CENTER_IT[] PROGMEM = "Centro:";
+const char MSG_CENTER_ES[] PROGMEM = "Centro:";
+const char MSG_CENTER_PL[] PROGMEM = "Srodek:";
+const char MSG_CENTER_DE[] PROGMEM = "Mitte:";
+const char MSG_CENTER_NL[] PROGMEM = "Centrum:";
+const char * const MSG_CENTER_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_CENTER_EN,
+	MSG_CENTER_CZ,
+	MSG_CENTER_IT,
+	MSG_CENTER_ES,
+	MSG_CENTER_PL,
+	MSG_CENTER_DE,
+	MSG_CENTER_NL
+};
+
 const char MSG_CHANGE_EXTR_EN[] PROGMEM = "Change extruder";
 const char MSG_CHANGE_EXTR_CZ[] PROGMEM = "Zmenit extruder";
 const char MSG_CHANGE_EXTR_IT[] PROGMEM = "Cambio estrusore.";
@@ -834,6 +851,23 @@ const char * const MSG_CURRENT_LANG_TABLE[LANG_NUM] PROGMEM = {
 	MSG_CURRENT_NL
 };
 
+const char MSG_DATE_EN[] PROGMEM = "Date:";
+const char MSG_DATE_CZ[] PROGMEM = "Datum:";
+const char MSG_DATE_IT[] PROGMEM = "Data";
+const char MSG_DATE_ES[] PROGMEM = "Fecha:";
+const char MSG_DATE_PL[] PROGMEM = "Data:";
+const char MSG_DATE_DE[] PROGMEM = "Datum:";
+const char MSG_DATE_NL[] PROGMEM = "Datum:";
+const char * const MSG_DATE_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_DATE_EN,
+	MSG_DATE_CZ,
+	MSG_DATE_IT,
+	MSG_DATE_ES,
+	MSG_DATE_PL,
+	MSG_DATE_DE,
+	MSG_DATE_NL
+};
+
 const char MSG_DISABLE_STEPPERS_EN[] PROGMEM = "Disable steppers";
 const char MSG_DISABLE_STEPPERS_CZ[] PROGMEM = "Vypnout motory";
 const char MSG_DISABLE_STEPPERS_IT[] PROGMEM = "Disabilit motori";
@@ -1521,6 +1555,23 @@ const char * const MSG_LANGUAGE_SELECT_LANG_TABLE[LANG_NUM] PROGMEM = {
 	MSG_LANGUAGE_SELECT_NL
 };
 
+const char MSG_LEFT_EN[] PROGMEM = "Left:";
+const char MSG_LEFT_CZ[] PROGMEM = "Levy:";
+const char MSG_LEFT_IT[] PROGMEM = "Sinistra:";
+const char MSG_LEFT_ES[] PROGMEM = "Izquierda:";
+const char MSG_LEFT_PL[] PROGMEM = "Lewy:";
+const char MSG_LEFT_DE[] PROGMEM = "Links:";
+const char MSG_LEFT_NL[] PROGMEM = "Links:";
+const char * const MSG_LEFT_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_LEFT_EN,
+	MSG_LEFT_CZ,
+	MSG_LEFT_IT,
+	MSG_LEFT_ES,
+	MSG_LEFT_PL,
+	MSG_LEFT_DE,
+	MSG_LEFT_NL
+};
+
 const char MSG_LOADING_COLOR_EN[] PROGMEM = "Loading color";
 const char MSG_LOADING_COLOR_CZ[] PROGMEM = "Cisteni barvy";
 const char MSG_LOADING_COLOR_IT[] PROGMEM = "Caricando colore";
@@ -1757,6 +1808,23 @@ const char * const MSG_MAX_LANG_TABLE[1] PROGMEM = {
 	MSG_MAX_EN
 };
 
+const char MSG_MEASURED_SKEW_EN[] PROGMEM = "Measured skew:";
+const char MSG_MEASURED_SKEW_CZ[] PROGMEM = "Merene zkoseni:";
+const char MSG_MEASURED_SKEW_IT[] PROGMEM = "Incl. misurata:";
+const char MSG_MEASURED_SKEW_ES[] PROGMEM = "Inclin. medida:";
+const char MSG_MEASURED_SKEW_PL[] PROGMEM = "Zmier. sciecie:";
+const char MSG_MEASURED_SKEW_DE[] PROGMEM = "Symmetrie:";
+const char MSG_MEASURED_SKEW_NL[] PROGMEM = "Symmetrie:";
+const char * const MSG_MEASURED_SKEW_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_MEASURED_SKEW_EN,
+	MSG_MEASURED_SKEW_CZ,
+	MSG_MEASURED_SKEW_IT,
+	MSG_MEASURED_SKEW_ES,
+	MSG_MEASURED_SKEW_PL,
+	MSG_MEASURED_SKEW_DE,
+	MSG_MEASURED_SKEW_NL
+};
+
 const char MSG_MEASURE_BED_REFERENCE_HEIGHT_LINE1_EN[] PROGMEM = "Measuring reference height of calibration point";
 const char MSG_MEASURE_BED_REFERENCE_HEIGHT_LINE1_CZ[] PROGMEM = "Merim referencni vysku kalibracniho bodu";
 const char MSG_MEASURE_BED_REFERENCE_HEIGHT_LINE1_IT[] PROGMEM = "Misurare l'altezza di riferimento del punto di calibrazione";
@@ -2569,6 +2637,23 @@ const char * const MSG_RESUMING_PRINT_LANG_TABLE[LANG_NUM] PROGMEM = {
 	MSG_RESUMING_PRINT_NL
 };
 
+const char MSG_RIGHT_EN[] PROGMEM = "Right:";
+const char MSG_RIGHT_CZ[] PROGMEM = "Pravy:";
+const char MSG_RIGHT_IT[] PROGMEM = "Destra:";
+const char MSG_RIGHT_ES[] PROGMEM = "Derecha:";
+const char MSG_RIGHT_PL[] PROGMEM = "Prawy:";
+const char MSG_RIGHT_DE[] PROGMEM = "Rechts:";
+const char MSG_RIGHT_NL[] PROGMEM = "Rechts:";
+const char * const MSG_RIGHT_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_RIGHT_EN,
+	MSG_RIGHT_CZ,
+	MSG_RIGHT_IT,
+	MSG_RIGHT_ES,
+	MSG_RIGHT_PL,
+	MSG_RIGHT_DE,
+	MSG_RIGHT_NL
+};
+
 const char MSG_SD_CANT_ENTER_SUBDIR_EN[] PROGMEM = "Cannot enter subdir: ";
 const char * const MSG_SD_CANT_ENTER_SUBDIR_LANG_TABLE[1] PROGMEM = {
 	MSG_SD_CANT_ENTER_SUBDIR_EN
@@ -3139,6 +3224,23 @@ const char * const MSG_SET_TEMPERATURE_LANG_TABLE[LANG_NUM] PROGMEM = {
 	MSG_SET_TEMPERATURE_NL
 };
 
+const char MSG_SEVERE_SKEW_EN[] PROGMEM = "Severe skew:";
+const char MSG_SEVERE_SKEW_CZ[] PROGMEM = "Tezke zkoseni:";
+const char MSG_SEVERE_SKEW_IT[] PROGMEM = "Inc. rilevante:";
+const char MSG_SEVERE_SKEW_ES[] PROGMEM = "Inclin. severa:";
+const char MSG_SEVERE_SKEW_PL[] PROGMEM = "Ostre sciecie:";
+const char MSG_SEVERE_SKEW_DE[] PROGMEM = "Schwere Asym.:";
+const char MSG_SEVERE_SKEW_NL[] PROGMEM = "Hevige  Asym.:";
+const char * const MSG_SEVERE_SKEW_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_SEVERE_SKEW_EN,
+	MSG_SEVERE_SKEW_CZ,
+	MSG_SEVERE_SKEW_IT,
+	MSG_SEVERE_SKEW_ES,
+	MSG_SEVERE_SKEW_PL,
+	MSG_SEVERE_SKEW_DE,
+	MSG_SEVERE_SKEW_NL
+};
+
 const char MSG_SHOW_END_STOPS_EN[] PROGMEM = "Show end stops";
 const char MSG_SHOW_END_STOPS_CZ[] PROGMEM = "Stav konc. spin.";
 const char MSG_SHOW_END_STOPS_IT[] PROGMEM = "Stato finecorsa";
@@ -3188,6 +3290,23 @@ const char * const MSG_SILENT_MODE_ON_LANG_TABLE[LANG_NUM] PROGMEM = {
 	MSG_SILENT_MODE_ON_EN
 };
 
+const char MSG_SLIGHT_SKEW_EN[] PROGMEM = "Slight skew:";
+const char MSG_SLIGHT_SKEW_CZ[] PROGMEM = "Lehke zkoseni:";
+const char MSG_SLIGHT_SKEW_IT[] PROGMEM = "Incl. leggera:";
+const char MSG_SLIGHT_SKEW_ES[] PROGMEM = "Inclin. ligera:";
+const char MSG_SLIGHT_SKEW_PL[] PROGMEM = "Lekkie sciecie:";
+const char MSG_SLIGHT_SKEW_DE[] PROGMEM = "Geringe Asym.:";
+const char MSG_SLIGHT_SKEW_NL[] PROGMEM = "Geringe Asym.:";
+const char * const MSG_SLIGHT_SKEW_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_SLIGHT_SKEW_EN,
+	MSG_SLIGHT_SKEW_CZ,
+	MSG_SLIGHT_SKEW_IT,
+	MSG_SLIGHT_SKEW_ES,
+	MSG_SLIGHT_SKEW_PL,
+	MSG_SLIGHT_SKEW_DE,
+	MSG_SLIGHT_SKEW_NL
+};
+
 const char MSG_SOFTWARE_RESET_EN[] PROGMEM = " Software Reset";
 const char * const MSG_SOFTWARE_RESET_LANG_TABLE[1] PROGMEM = {
 	MSG_SOFTWARE_RESET_EN
@@ -3762,6 +3881,23 @@ const char * const MSG_WATCHDOG_RESET_LANG_TABLE[1] PROGMEM = {
 	MSG_WATCHDOG_RESET_EN
 };
 
+const char MSG_XYZ_DETAILS_EN[] PROGMEM = "XYZ cal. details";
+const char MSG_XYZ_DETAILS_CZ[] PROGMEM = "Detaily XYZ kal.";
+const char MSG_XYZ_DETAILS_IT[] PROGMEM = "XYZ Cal. dettagli";
+const char MSG_XYZ_DETAILS_ES[] PROGMEM = "Inform. XYZ cal.";
+const char MSG_XYZ_DETAILS_PL[] PROGMEM = "Szczegoly kal.XYZ";
+const char MSG_XYZ_DETAILS_DE[] PROGMEM = "XYZ Kal. Details";
+const char MSG_XYZ_DETAILS_NL[] PROGMEM = "XYZ kal. details";
+const char * const MSG_XYZ_DETAILS_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_XYZ_DETAILS_EN,
+	MSG_XYZ_DETAILS_CZ,
+	MSG_XYZ_DETAILS_IT,
+	MSG_XYZ_DETAILS_ES,
+	MSG_XYZ_DETAILS_PL,
+	MSG_XYZ_DETAILS_DE,
+	MSG_XYZ_DETAILS_NL
+};
+
 const char MSG_X_MAX_EN[] PROGMEM = "x_max: ";
 const char * const MSG_X_MAX_LANG_TABLE[1] PROGMEM = {
 	MSG_X_MAX_EN
@@ -3789,6 +3925,23 @@ const char * const MSG_YES_LANG_TABLE[LANG_NUM] PROGMEM = {
 	MSG_YES_NL
 };
 
+const char MSG_Y_DISTANCE_FROM_MIN_EN[] PROGMEM = "Y distance from min:";
+const char MSG_Y_DISTANCE_FROM_MIN_CZ[] PROGMEM = "Y vzdalenost od min:";
+const char MSG_Y_DISTANCE_FROM_MIN_IT[] PROGMEM = "Distanza Y da min:";
+const char MSG_Y_DISTANCE_FROM_MIN_ES[] PROGMEM = "Dist. Y desde min:";
+const char MSG_Y_DISTANCE_FROM_MIN_PL[] PROGMEM = "Odleglosc Y od min.:";
+const char MSG_Y_DISTANCE_FROM_MIN_DE[] PROGMEM = "Y Entfernung von min";
+const char MSG_Y_DISTANCE_FROM_MIN_NL[] PROGMEM = "Y afstand van min";
+const char * const MSG_Y_DISTANCE_FROM_MIN_LANG_TABLE[LANG_NUM] PROGMEM = {
+	MSG_Y_DISTANCE_FROM_MIN_EN,
+	MSG_Y_DISTANCE_FROM_MIN_CZ,
+	MSG_Y_DISTANCE_FROM_MIN_IT,
+	MSG_Y_DISTANCE_FROM_MIN_ES,
+	MSG_Y_DISTANCE_FROM_MIN_PL,
+	MSG_Y_DISTANCE_FROM_MIN_DE,
+	MSG_Y_DISTANCE_FROM_MIN_NL
+};
+
 const char MSG_Y_MAX_EN[] PROGMEM = "y_max: ";
 const char * const MSG_Y_MAX_LANG_TABLE[1] PROGMEM = {
 	MSG_Y_MAX_EN
diff --git a/Firmware/language_all.h b/Firmware/language_all.h
index 277039d13..2d804e668 100644
--- a/Firmware/language_all.h
+++ b/Firmware/language_all.h
@@ -117,6 +117,8 @@ extern const char* const MSG_CALIBRATION_PINDA_MENU_LANG_TABLE[LANG_NUM];
 #define MSG_CALIBRATION_PINDA_MENU LANG_TABLE_SELECT(MSG_CALIBRATION_PINDA_MENU_LANG_TABLE)
 extern const char* const MSG_CARD_MENU_LANG_TABLE[LANG_NUM];
 #define MSG_CARD_MENU LANG_TABLE_SELECT(MSG_CARD_MENU_LANG_TABLE)
+extern const char* const MSG_CENTER_LANG_TABLE[LANG_NUM];
+#define MSG_CENTER LANG_TABLE_SELECT(MSG_CENTER_LANG_TABLE)
 extern const char* const MSG_CHANGE_EXTR_LANG_TABLE[LANG_NUM];
 #define MSG_CHANGE_EXTR LANG_TABLE_SELECT(MSG_CHANGE_EXTR_LANG_TABLE)
 extern const char* const MSG_CHANGE_SUCCESS_LANG_TABLE[LANG_NUM];
@@ -147,6 +149,8 @@ extern const char* const MSG_COUNT_X_LANG_TABLE[1];
 #define MSG_COUNT_X LANG_TABLE_SELECT_EXPLICIT(MSG_COUNT_X_LANG_TABLE, 0)
 extern const char* const MSG_CURRENT_LANG_TABLE[LANG_NUM];
 #define MSG_CURRENT LANG_TABLE_SELECT(MSG_CURRENT_LANG_TABLE)
+extern const char* const MSG_DATE_LANG_TABLE[LANG_NUM];
+#define MSG_DATE LANG_TABLE_SELECT(MSG_DATE_LANG_TABLE)
 extern const char* const MSG_DISABLE_STEPPERS_LANG_TABLE[LANG_NUM];
 #define MSG_DISABLE_STEPPERS LANG_TABLE_SELECT(MSG_DISABLE_STEPPERS_LANG_TABLE)
 extern const char* const MSG_DWELL_LANG_TABLE[LANG_NUM];
@@ -269,6 +273,8 @@ extern const char* const MSG_LANGUAGE_NAME_LANG_TABLE[LANG_NUM];
 extern const char* const MSG_LANGUAGE_SELECT_LANG_TABLE[LANG_NUM];
 #define MSG_LANGUAGE_SELECT LANG_TABLE_SELECT(MSG_LANGUAGE_SELECT_LANG_TABLE)
 #define MSG_LANGUAGE_SELECT_EXPLICIT(LANG) LANG_TABLE_SELECT_EXPLICIT(MSG_LANGUAGE_SELECT_LANG_TABLE, LANG)
+extern const char* const MSG_LEFT_LANG_TABLE[LANG_NUM];
+#define MSG_LEFT LANG_TABLE_SELECT(MSG_LEFT_LANG_TABLE)
 extern const char* const MSG_LOADING_COLOR_LANG_TABLE[LANG_NUM];
 #define MSG_LOADING_COLOR LANG_TABLE_SELECT(MSG_LOADING_COLOR_LANG_TABLE)
 extern const char* const MSG_LOADING_FILAMENT_LANG_TABLE[LANG_NUM];
@@ -311,6 +317,8 @@ extern const char* const MSG_MARK_FIL_LANG_TABLE[LANG_NUM];
 #define MSG_MARK_FIL LANG_TABLE_SELECT(MSG_MARK_FIL_LANG_TABLE)
 extern const char* const MSG_MAX_LANG_TABLE[1];
 #define MSG_MAX LANG_TABLE_SELECT_EXPLICIT(MSG_MAX_LANG_TABLE, 0)
+extern const char* const MSG_MEASURED_SKEW_LANG_TABLE[LANG_NUM];
+#define MSG_MEASURED_SKEW LANG_TABLE_SELECT(MSG_MEASURED_SKEW_LANG_TABLE)
 extern const char* const MSG_MEASURE_BED_REFERENCE_HEIGHT_LINE1_LANG_TABLE[LANG_NUM];
 #define MSG_MEASURE_BED_REFERENCE_HEIGHT_LINE1 LANG_TABLE_SELECT(MSG_MEASURE_BED_REFERENCE_HEIGHT_LINE1_LANG_TABLE)
 extern const char* const MSG_MEASURE_BED_REFERENCE_HEIGHT_LINE2_LANG_TABLE[LANG_NUM];
@@ -437,6 +445,8 @@ extern const char* const MSG_RESUMING_LANG_TABLE[LANG_NUM];
 #define MSG_RESUMING LANG_TABLE_SELECT(MSG_RESUMING_LANG_TABLE)
 extern const char* const MSG_RESUMING_PRINT_LANG_TABLE[LANG_NUM];
 #define MSG_RESUMING_PRINT LANG_TABLE_SELECT(MSG_RESUMING_PRINT_LANG_TABLE)
+extern const char* const MSG_RIGHT_LANG_TABLE[LANG_NUM];
+#define MSG_RIGHT LANG_TABLE_SELECT(MSG_RIGHT_LANG_TABLE)
 extern const char* const MSG_SD_CANT_ENTER_SUBDIR_LANG_TABLE[1];
 #define MSG_SD_CANT_ENTER_SUBDIR LANG_TABLE_SELECT_EXPLICIT(MSG_SD_CANT_ENTER_SUBDIR_LANG_TABLE, 0)
 extern const char* const MSG_SD_CANT_OPEN_SUBDIR_LANG_TABLE[1];
@@ -533,12 +543,16 @@ extern const char* const MSG_SET_ORIGIN_LANG_TABLE[1];
 #define MSG_SET_ORIGIN LANG_TABLE_SELECT_EXPLICIT(MSG_SET_ORIGIN_LANG_TABLE, 0)
 extern const char* const MSG_SET_TEMPERATURE_LANG_TABLE[LANG_NUM];
 #define MSG_SET_TEMPERATURE LANG_TABLE_SELECT(MSG_SET_TEMPERATURE_LANG_TABLE)
+extern const char* const MSG_SEVERE_SKEW_LANG_TABLE[LANG_NUM];
+#define MSG_SEVERE_SKEW LANG_TABLE_SELECT(MSG_SEVERE_SKEW_LANG_TABLE)
 extern const char* const MSG_SHOW_END_STOPS_LANG_TABLE[LANG_NUM];
 #define MSG_SHOW_END_STOPS LANG_TABLE_SELECT(MSG_SHOW_END_STOPS_LANG_TABLE)
 extern const char* const MSG_SILENT_MODE_OFF_LANG_TABLE[LANG_NUM];
 #define MSG_SILENT_MODE_OFF LANG_TABLE_SELECT(MSG_SILENT_MODE_OFF_LANG_TABLE)
 extern const char* const MSG_SILENT_MODE_ON_LANG_TABLE[LANG_NUM];
 #define MSG_SILENT_MODE_ON LANG_TABLE_SELECT(MSG_SILENT_MODE_ON_LANG_TABLE)
+extern const char* const MSG_SLIGHT_SKEW_LANG_TABLE[LANG_NUM];
+#define MSG_SLIGHT_SKEW LANG_TABLE_SELECT(MSG_SLIGHT_SKEW_LANG_TABLE)
 extern const char* const MSG_SOFTWARE_RESET_LANG_TABLE[1];
 #define MSG_SOFTWARE_RESET LANG_TABLE_SELECT_EXPLICIT(MSG_SOFTWARE_RESET_LANG_TABLE, 0)
 extern const char* const MSG_SPEED_LANG_TABLE[LANG_NUM];
@@ -623,12 +637,16 @@ extern const char* const MSG_WATCH_LANG_TABLE[LANG_NUM];
 #define MSG_WATCH LANG_TABLE_SELECT(MSG_WATCH_LANG_TABLE)
 extern const char* const MSG_WATCHDOG_RESET_LANG_TABLE[1];
 #define MSG_WATCHDOG_RESET LANG_TABLE_SELECT_EXPLICIT(MSG_WATCHDOG_RESET_LANG_TABLE, 0)
+extern const char* const MSG_XYZ_DETAILS_LANG_TABLE[LANG_NUM];
+#define MSG_XYZ_DETAILS LANG_TABLE_SELECT(MSG_XYZ_DETAILS_LANG_TABLE)
 extern const char* const MSG_X_MAX_LANG_TABLE[1];
 #define MSG_X_MAX LANG_TABLE_SELECT_EXPLICIT(MSG_X_MAX_LANG_TABLE, 0)
 extern const char* const MSG_X_MIN_LANG_TABLE[1];
 #define MSG_X_MIN LANG_TABLE_SELECT_EXPLICIT(MSG_X_MIN_LANG_TABLE, 0)
 extern const char* const MSG_YES_LANG_TABLE[LANG_NUM];
 #define MSG_YES LANG_TABLE_SELECT(MSG_YES_LANG_TABLE)
+extern const char* const MSG_Y_DISTANCE_FROM_MIN_LANG_TABLE[LANG_NUM];
+#define MSG_Y_DISTANCE_FROM_MIN LANG_TABLE_SELECT(MSG_Y_DISTANCE_FROM_MIN_LANG_TABLE)
 extern const char* const MSG_Y_MAX_LANG_TABLE[1];
 #define MSG_Y_MAX LANG_TABLE_SELECT_EXPLICIT(MSG_Y_MAX_LANG_TABLE, 0)
 extern const char* const MSG_Y_MIN_LANG_TABLE[1];
diff --git a/Firmware/language_cz.h b/Firmware/language_cz.h
index 5f2e36af5..d9f3715d9 100644
--- a/Firmware/language_cz.h
+++ b/Firmware/language_cz.h
@@ -301,4 +301,13 @@
 #define MSG_EXTRUDER_1									"Extruder 1"
 #define MSG_EXTRUDER_2									"Extruder 2"
 #define MSG_EXTRUDER_3									"Extruder 3"
-#define MSG_EXTRUDER_4									"Extruder 4"
\ No newline at end of file
+#define MSG_EXTRUDER_4									"Extruder 4"
+#define MSG_DATE							"Datum:"
+#define MSG_XYZ_DETAILS						"Detaily XYZ kal."
+#define	MSG_Y_DISTANCE_FROM_MIN				"Y vzdalenost od min:"
+#define	MSG_LEFT							"Levy:"
+#define MSG_CENTER							"Stred:"
+#define MSG_RIGHT							"Pravy:"
+#define MSG_MEASURED_SKEW					"Merene zkoseni:"
+#define MSG_SLIGHT_SKEW						"Lehke zkoseni:"
+#define MSG_SEVERE_SKEW						"Tezke zkoseni:"
\ No newline at end of file
diff --git a/Firmware/language_de.h b/Firmware/language_de.h
index e60ead10f..3083bc17d 100644
--- a/Firmware/language_de.h
+++ b/Firmware/language_de.h
@@ -315,4 +315,13 @@
 #define(length=20) MSG_EXTRUDER_1									"Extruder 1"
 #define(length=20) MSG_EXTRUDER_2									"Extruder 2"
 #define(length=20) MSG_EXTRUDER_3									"Extruder 3"
-#define(length=20) MSG_EXTRUDER_4									"Extruder 4"
\ No newline at end of file
+#define(length=20) MSG_EXTRUDER_4									"Extruder 4"
+#define MSG_DATE							"Datum:"
+#define MSG_XYZ_DETAILS						"XYZ Kal. Details"
+#define	MSG_Y_DISTANCE_FROM_MIN				"Y Entfernung von min"
+#define	MSG_LEFT							"Links:"
+#define MSG_CENTER							"Mitte:"
+#define MSG_RIGHT							"Rechts:"
+#define MSG_MEASURED_SKEW					"Symmetrie:"
+#define MSG_SLIGHT_SKEW						"Geringe Asym.:"
+#define MSG_SEVERE_SKEW						"Schwere Asym.:"
\ No newline at end of file
diff --git a/Firmware/language_en.h b/Firmware/language_en.h
index 2261a9227..dec7b729e 100644
--- a/Firmware/language_en.h
+++ b/Firmware/language_en.h
@@ -311,4 +311,12 @@
 #define(length=17, lines=1) MSG_EXTRUDER_2						"Extruder 2"
 #define(length=17, lines=1) MSG_EXTRUDER_3						"Extruder 3"
 #define(length=17, lines=1) MSG_EXTRUDER_4						"Extruder 4"
-
+#define(length=17, lines=1) MSG_DATE							"Date:"
+#define(length=19, lines=1) MSG_XYZ_DETAILS						"XYZ cal. details"
+#define(length=20, lines=1)	MSG_Y_DISTANCE_FROM_MIN				"Y distance from min:"
+#define(length=12, lines=1)	MSG_LEFT							"Left:"
+#define(length=12, lines=1) MSG_CENTER							"Center:"
+#define(length=12, lines=1) MSG_RIGHT							"Right:"
+#define(length=15, lines=1) MSG_MEASURED_SKEW					"Measured skew:"
+#define(length=15, lines=1) MSG_SLIGHT_SKEW						"Slight skew:"
+#define(length=15, lines=1) MSG_SEVERE_SKEW						"Severe skew:"
diff --git a/Firmware/language_es.h b/Firmware/language_es.h
index d44cda831..1d56ed025 100644
--- a/Firmware/language_es.h
+++ b/Firmware/language_es.h
@@ -295,4 +295,13 @@
 #define MSG_EXTRUDER_1									"Extrusor 1"
 #define MSG_EXTRUDER_2									"Extrusor 2"
 #define MSG_EXTRUDER_3									"Extrusor 3"
-#define MSG_EXTRUDER_4									"Extrusor 4"
\ No newline at end of file
+#define MSG_EXTRUDER_4									"Extrusor 4"
+#define MSG_DATE							"Fecha:"
+#define MSG_XYZ_DETAILS						"Inform. XYZ cal."
+#define	MSG_Y_DISTANCE_FROM_MIN				"Dist. Y desde min:"
+#define	MSG_LEFT							"Izquierda:"
+#define MSG_CENTER							"Centro:"
+#define MSG_RIGHT							"Derecha:"
+#define MSG_MEASURED_SKEW					"Inclin. medida:"
+#define MSG_SLIGHT_SKEW						"Inclin. ligera:"
+#define MSG_SEVERE_SKEW						"Inclin. severa:"
\ No newline at end of file
diff --git a/Firmware/language_it.h b/Firmware/language_it.h
index 629754760..d25a17200 100644
--- a/Firmware/language_it.h
+++ b/Firmware/language_it.h
@@ -286,4 +286,13 @@
 #define MSG_EXTRUDER_1									"Estrusore 1"
 #define MSG_EXTRUDER_2									"Estrusore 2"
 #define MSG_EXTRUDER_3									"Estrusore 3"
-#define MSG_EXTRUDER_4									"Estrusore 4"
\ No newline at end of file
+#define MSG_EXTRUDER_4									"Estrusore 4"
+#define MSG_DATE							"Data"
+#define MSG_XYZ_DETAILS						"XYZ Cal. dettagli"
+#define	MSG_Y_DISTANCE_FROM_MIN				"Distanza Y da min:"
+#define	MSG_LEFT							"Sinistra:"
+#define MSG_CENTER							"Centro:"
+#define MSG_RIGHT							"Destra:"
+#define MSG_MEASURED_SKEW					"Incl. misurata:"
+#define MSG_SLIGHT_SKEW						"Incl. leggera:"
+#define MSG_SEVERE_SKEW						"Inc. rilevante:"
\ No newline at end of file
diff --git a/Firmware/language_nl.h b/Firmware/language_nl.h
index e20814f88..63dafc044 100644
--- a/Firmware/language_nl.h
+++ b/Firmware/language_nl.h
@@ -315,3 +315,12 @@
 #define(length=20) MSG_EXTRUDER_2									"Extruder 2"
 #define(length=20) MSG_EXTRUDER_3									"Extruder 3"
 #define(length=20) MSG_EXTRUDER_4									"Extruder 4"
+#define MSG_DATE							"Datum:"
+#define MSG_XYZ_DETAILS						"XYZ kal. details"
+#define	MSG_Y_DISTANCE_FROM_MIN				"Y afstand van min"
+#define	MSG_LEFT							"Links:"
+#define MSG_CENTER							"Centrum:"
+#define MSG_RIGHT							"Rechts:"
+#define MSG_MEASURED_SKEW					"Symmetrie:"
+#define MSG_SLIGHT_SKEW						"Geringe Asym.:"
+#define MSG_SEVERE_SKEW						"Hevige  Asym.:"
\ No newline at end of file
diff --git a/Firmware/language_pl.h b/Firmware/language_pl.h
index 3cd283ded..e953e7c9d 100644
--- a/Firmware/language_pl.h
+++ b/Firmware/language_pl.h
@@ -298,4 +298,13 @@
 #define MSG_EXTRUDER_1											"Ekstruder 1"
 #define MSG_EXTRUDER_2											"Ekstruder 2"
 #define MSG_EXTRUDER_3											"Ekstruder 3"
-#define MSG_EXTRUDER_4											"Ekstruder 4"
\ No newline at end of file
+#define MSG_EXTRUDER_4											"Ekstruder 4"
+#define MSG_DATE							"Data:"
+#define MSG_XYZ_DETAILS						"Szczegoly kal.XYZ"
+#define	MSG_Y_DISTANCE_FROM_MIN				"Odleglosc Y od min.:"
+#define	MSG_LEFT							"Lewy:"
+#define MSG_CENTER							"Srodek:"
+#define MSG_RIGHT							"Prawy:"
+#define MSG_MEASURED_SKEW					"Zmier. sciecie:"
+#define MSG_SLIGHT_SKEW						"Lekkie sciecie:"
+#define MSG_SEVERE_SKEW						"Ostre sciecie:"
\ No newline at end of file
diff --git a/Firmware/mesh_bed_calibration.cpp b/Firmware/mesh_bed_calibration.cpp
index 5220c1aff..4d795b0d6 100644
--- a/Firmware/mesh_bed_calibration.cpp
+++ b/Firmware/mesh_bed_calibration.cpp
@@ -2083,12 +2083,21 @@ BedSkewOffsetDetectionResultType improve_bed_offset_and_skew(int8_t method, int8
         for (uint8_t mesh_point = 0; mesh_point < 3; ++ mesh_point)
             if (pts[mesh_point * 2 + 1] < Y_MIN_POS_CALIBRATION_POINT_OUT_OF_REACH)
                 too_far_mask |= 1 << mesh_point;
-        result = calculate_machine_skew_and_offset_LS(pts, 9, bed_ref_points, vec_x, vec_y, cntr, verbosity_level);
+		
+		if (verbosity_level >= 20) {
+			SERIAL_ECHOPGM("Distance from min before calculate_machine skew and offset LS:");
+			MYSERIAL.print(int(too_far_mask));
+		}
+		
+		result = calculate_machine_skew_and_offset_LS(pts, 9, bed_ref_points, vec_x, vec_y, cntr, verbosity_level);
         if (result < 0) {
             SERIAL_ECHOLNPGM("Calculation of the machine skew and offset failed.");
             goto canceled;
         }
         // In case of success, update the too_far_mask from the calculated points.
+		too_far_mask = 0;
+		if(verbosity_level >= 20) SERIAL_ECHOPGM("Reseting too far mask.");
+
         for (uint8_t mesh_point = 0; mesh_point < 3; ++ mesh_point) {
             float y = vec_x[1] * pgm_read_float(bed_ref_points+mesh_point*2) + vec_y[1] * pgm_read_float(bed_ref_points+mesh_point*2+1) + cntr[1];
 			distance_from_min[mesh_point] = (y - Y_MIN_POS_CALIBRATION_POINT_OUT_OF_REACH);
@@ -2447,6 +2456,21 @@ void count_xyz_details() {
 		eeprom_read_float((float*)(EEPROM_BED_CALIBRATION_VEC_Y + 0)),
 		eeprom_read_float((float*)(EEPROM_BED_CALIBRATION_VEC_Y + 4))
 	};
+	SERIAL_ECHOPGM("cntr[0]:");
+	MYSERIAL.println(cntr[0]);
+	SERIAL_ECHOPGM("cntr[1]:");
+	MYSERIAL.println(cntr[1]);
+	SERIAL_ECHOPGM("vec_x[0]:");
+	MYSERIAL.println(vec_x[0]);
+	SERIAL_ECHOPGM("vec_x[1]:");
+	MYSERIAL.println(vec_x[1]);
+	SERIAL_ECHOPGM("vec_y[0]:");
+	MYSERIAL.println(vec_y[0]);
+	SERIAL_ECHOPGM("vec_y[1]:");
+	MYSERIAL.println(vec_y[1]);
+	SERIAL_ECHOPGM("Calibration status:");
+	MYSERIAL.println(int(calibration_status()));
+
 	a2 = -1 * asin(vec_y[0] / MACHINE_AXIS_SCALE_Y);
 /*	SERIAL_ECHOLNPGM("par:");
 	MYSERIAL.println(vec_y[0]);
diff --git a/Firmware/pins.h b/Firmware/pins.h
index 68375db79..e7bc79bad 100644
--- a/Firmware/pins.h
+++ b/Firmware/pins.h
@@ -33,7 +33,7 @@
   #endif
   
 
-  #define FR_SENS 21
+  #define FR_SENS 24
 
 
   #define X_STEP_PIN 37
@@ -46,7 +46,7 @@
   #define Y_STEP_PIN 36
   #define Y_DIR_PIN 49
   #define Y_MIN_PIN 11
-  #define Y_MAX_PIN 24
+  #define Y_MAX_PIN -1
   #define Y_ENABLE_PIN 28
   #define Y_MS1_PIN 69
   #define Y_MS2_PIN 39
@@ -222,7 +222,7 @@
     #error Oops!  Make sure you have 'Arduino Mega 2560' selected from the 'Tools -> Boards' menu.
   #endif
 
-  #define FR_SENS 21
+  #define FR_SENS 24
 
 #ifdef SNMM
 
@@ -242,7 +242,7 @@
   #define Y_STEP_PIN 36
   #define Y_DIR_PIN 49
   #define Y_MIN_PIN 11
-  #define Y_MAX_PIN 24
+  #define Y_MAX_PIN -1
   #define Y_ENABLE_PIN 28
   #define Y_MS1_PIN 69
   #define Y_MS2_PIN 39
diff --git a/Firmware/ultralcd.cpp b/Firmware/ultralcd.cpp
index 2ceea7f39..479c146c2 100644
--- a/Firmware/ultralcd.cpp
+++ b/Firmware/ultralcd.cpp
@@ -975,7 +975,7 @@ static void lcd_support_menu()
   MENU_ITEM(back, PSTR(ELECTRONICS),lcd_main_menu);
   MENU_ITEM(back, PSTR(NOZZLE_TYPE),lcd_main_menu);
   MENU_ITEM(back, PSTR("------------"), lcd_main_menu);
-  MENU_ITEM(back, PSTR("Date: "), lcd_main_menu);
+  MENU_ITEM(back, MSG_DATE, lcd_main_menu);
   MENU_ITEM(back, PSTR(__DATE__), lcd_main_menu);
   MENU_ITEM(back, PSTR(STRING_CONFIG_H_AUTHOR), lcd_main_menu);
 
@@ -987,7 +987,7 @@ static void lcd_support_menu()
   }
   #ifndef MK1BP
   MENU_ITEM(back, PSTR("------------"), lcd_main_menu);
-  MENU_ITEM(function, PSTR("XYZ cal. details"), lcd_service_mode_show_result);
+  if(!IS_SD_PRINTING) MENU_ITEM(function, MSG_XYZ_DETAILS, lcd_service_mode_show_result);
   #endif //MK1BP
   END_MENU();
 }
@@ -1398,16 +1398,16 @@ void lcd_service_mode_show_result() {
 	count_xyz_details();
 	lcd_update_enable(false);
 	lcd_implementation_clear();
-	lcd_printPGM(PSTR("Y distance from min:"));
-	lcd_print_at_PGM(0, 1, PSTR("Left:"));
-	lcd_print_at_PGM(0, 2, PSTR("Center:"));
-	lcd_print_at_PGM(0, 3, PSTR("Right:"));
+	lcd_printPGM(MSG_Y_DISTANCE_FROM_MIN);
+	lcd_print_at_PGM(0, 1, MSG_LEFT);
+	lcd_print_at_PGM(0, 2, MSG_CENTER);
+	lcd_print_at_PGM(0, 3, MSG_RIGHT);
 	for (int i = 0; i < 3; i++) {
 		if(distance_from_min[i] < 200) {
-			lcd_print_at_PGM(8, i + 1, PSTR(""));
+			lcd_print_at_PGM(11, i + 1, PSTR(""));
 			lcd.print(distance_from_min[i]);
-			lcd_print_at_PGM((distance_from_min[i] < 0) ? 14 : 13, i + 1, PSTR("mm"));
-		} else lcd_print_at_PGM(8, i + 1, PSTR("N/A"));
+			lcd_print_at_PGM((distance_from_min[i] < 0) ? 17 : 16, i + 1, PSTR("mm"));
+		} else lcd_print_at_PGM(11, i + 1, PSTR("N/A"));
 	}
 	delay_keep_alive(500);
 	while (!lcd_clicked()) {
@@ -1417,17 +1417,18 @@ void lcd_service_mode_show_result() {
 	lcd_implementation_clear();
 	
 
-	lcd_printPGM(PSTR("Measured skew: "));
+	lcd_printPGM(MSG_MEASURED_SKEW);
 	if (angleDiff < 100) {
+		lcd.setCursor(15, 0);
 		lcd.print(angleDiff * 180 / M_PI);
 		lcd.print(LCD_STR_DEGREE);
-	}else lcd_print_at_PGM(15, 0, PSTR("N/A"));
+	}else lcd_print_at_PGM(16, 0, PSTR("N/A"));
 	lcd_print_at_PGM(0, 1, PSTR("--------------------"));
-	lcd_print_at_PGM(0, 2, PSTR("Slight skew:"));
+	lcd_print_at_PGM(0, 2, MSG_SLIGHT_SKEW);
 	lcd_print_at_PGM(15, 2, PSTR(""));
 	lcd.print(bed_skew_angle_mild * 180 / M_PI);
 	lcd.print(LCD_STR_DEGREE);
-	lcd_print_at_PGM(0, 3, PSTR("Severe skew:"));
+	lcd_print_at_PGM(0, 3, MSG_SEVERE_SKEW);
 	lcd_print_at_PGM(15, 3, PSTR(""));
 	lcd.print(bed_skew_angle_extreme * 180 / M_PI);
 	lcd.print(LCD_STR_DEGREE);