printer.cfg modified - 07.09.2026 - 14:52:47

printer_data/config/printer.cfg

@@ -640,10 +640,15 @@ gcode:
     {% set bedtemp = params.BED|int %}
     {% set hotendtemp = params.EXTRUDER|int %}
     {% set chambertemp = params.CHAMBER|default(0)|int %}
-    
+
+    # Start every print from absolute positioning and no stale babystep offset.
+    G90
+    SET_GCODE_OFFSET Z=0
     SET_FAN_SPEED FAN=front SPEED=0.55
     STATUS_HOMING
     G28
+    # Soften residue while the bed heats; Touch is limited to at most 150 C.
+    M104 S150
     STATUS_HEATING
     M190 S{bedtemp} 
     ; wait for bed temp
@@ -653,10 +658,11 @@ gcode:
     {% endif %}     
     STATUS_MESHING
     QUAD_GANTRY_LEVEL 
-    BED_MESH_CALIBRATE
     M109 S150
     CLEAN_NOZZLE
     CARTOGRAPHER_TOUCH_HOME
+    # Touch establishes the true Z origin before the fresh per-print scan mesh.
+    BED_MESH_CALIBRATE
     M109 S{hotendtemp}
     {% set FL_SIZE = params.SIZE|default("0_0_0_0")|string %}
     ; move nozzle away from bed