diff --git a/Firmware/Configuration_prusa.h b/Firmware/Configuration_prusa.h
index 16d8b18a..86b45c0e 100644
--- a/Firmware/Configuration_prusa.h
+++ b/Firmware/Configuration_prusa.h
@@ -49,7 +49,7 @@ const bool Z_MIN_ENDSTOP_INVERTING = false; // set to true to invert the logic o
 #define X_MAX_POS 255
 #define X_MIN_POS 0
 #define Y_MAX_POS 210
-#define Y_MIN_POS -12 //orig -4
+#define Y_MIN_POS -4 //orig -4
 #define Z_MAX_POS 210
 #define Z_MIN_POS 0.15
 
diff --git a/Firmware/mesh_bed_calibration.cpp b/Firmware/mesh_bed_calibration.cpp
index 73e4fe8f..21420b86 100644
--- a/Firmware/mesh_bed_calibration.cpp
+++ b/Firmware/mesh_bed_calibration.cpp
@@ -20,7 +20,7 @@ float   world2machine_shift[2];
 #define WEIGHT_FIRST_ROW_Y_LOW  (0.0f)
 
 #define BED_ZERO_REF_X (- 22.f + X_PROBE_OFFSET_FROM_EXTRUDER) // -22 + 23 = 1
-#define BED_ZERO_REF_Y (- 0.6f + Y_PROBE_OFFSET_FROM_EXTRUDER) // -0.6 + 9 = 8.4
+#define BED_ZERO_REF_Y (- 0.6f + Y_PROBE_OFFSET_FROM_EXTRUDER) // -0.6 + 5 = 4.4
 
 // Scaling of the real machine axes against the programmed dimensions in the firmware.
 // The correction is tiny, here around 0.5mm on 250mm length.
@@ -56,24 +56,24 @@ const float bed_skew_angle_extreme = (0.25f * M_PI / 180.f);
 // Positions of the bed reference points in the machine coordinates, referenced to the P.I.N.D.A sensor.
 // The points are the following: center front, center right, center rear, center left.
 const float bed_ref_points_4[] PROGMEM = {
-	13.f - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
-	221.f - BED_ZERO_REF_X,  8.4f - BED_ZERO_REF_Y,
-	221.f - BED_ZERO_REF_X, 200.4f - BED_ZERO_REF_Y,
-	13.f - BED_ZERO_REF_X, 200.4f - BED_ZERO_REF_Y
+	13.f - BED_ZERO_REF_X,   10.4f - BED_ZERO_REF_Y,
+	221.f - BED_ZERO_REF_X,  10.4f - BED_ZERO_REF_Y,
+	221.f - BED_ZERO_REF_X, 202.4f - BED_ZERO_REF_Y,
+	13.f - BED_ZERO_REF_X, 202.4f - BED_ZERO_REF_Y
 };
 
 const float bed_ref_points[] PROGMEM = {
-	13.f - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
-	115.f - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
-	216.f - BED_ZERO_REF_X,   8.4f - BED_ZERO_REF_Y,
+	13.f - BED_ZERO_REF_X,   10.4f - BED_ZERO_REF_Y,
+	115.f - BED_ZERO_REF_X,   10.4f - BED_ZERO_REF_Y,
+	216.f - BED_ZERO_REF_X,   10.4f - BED_ZERO_REF_Y,
 
-	216.f - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y,
-	115.f - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y,
-	13.f - BED_ZERO_REF_X, 104.4f - BED_ZERO_REF_Y,
+	216.f - BED_ZERO_REF_X, 106.4f - BED_ZERO_REF_Y,
+	115.f - BED_ZERO_REF_X, 106.4f - BED_ZERO_REF_Y,
+	13.f - BED_ZERO_REF_X, 106.4f - BED_ZERO_REF_Y,
 
-	13.f - BED_ZERO_REF_X, 200.4f - BED_ZERO_REF_Y,
-	115.f - BED_ZERO_REF_X, 200.4f - BED_ZERO_REF_Y,
-	216.f - BED_ZERO_REF_X, 200.4f - BED_ZERO_REF_Y
+	13.f - BED_ZERO_REF_X, 202.4f - BED_ZERO_REF_Y,
+	115.f - BED_ZERO_REF_X, 202.4f - BED_ZERO_REF_Y,
+	216.f - BED_ZERO_REF_X, 202.4f - BED_ZERO_REF_Y
 };
 #else
 
@@ -958,7 +958,7 @@ inline bool find_bed_induction_sensor_point_xy(int verbosity_level)
             current_position[Y_AXIS] = y0;
             for (i = 0; i < nsteps_y; current_position[Y_AXIS] += (y1 - y0) / float(nsteps_y - 1), ++ i) {
                 // Run with a slightly decreasing Z axis, zig-zag movement. Stop at the Z end-stop.
-                current_position[Z_AXIS] -= FIND_BED_INDUCTION_SENSOR_POINT_Z_STEP / float(nsteps_y);
+				current_position[Z_AXIS] -= FIND_BED_INDUCTION_SENSOR_POINT_Z_STEP / float(nsteps_y);
                 go_xyz(dir_positive ? x1 : x0, current_position[Y_AXIS], current_position[Z_AXIS], feedrate);
                 dir_positive = ! dir_positive;
                 if (endstop_z_hit_on_purpose())
@@ -966,7 +966,7 @@ inline bool find_bed_induction_sensor_point_xy(int verbosity_level)
             }
             for (i = 0; i < nsteps_y; current_position[Y_AXIS] -= (y1 - y0) / float(nsteps_y - 1), ++ i) {
                 // Run with a slightly decreasing Z axis, zig-zag movement. Stop at the Z end-stop.
-                current_position[Z_AXIS] -= FIND_BED_INDUCTION_SENSOR_POINT_Z_STEP / float(nsteps_y);
+				current_position[Z_AXIS] -= FIND_BED_INDUCTION_SENSOR_POINT_Z_STEP / float(nsteps_y);
                 go_xyz(dir_positive ? x1 : x0, current_position[Y_AXIS], current_position[Z_AXIS], feedrate);
                 dir_positive = ! dir_positive;
                 if (endstop_z_hit_on_purpose())