Don't allow filament change without homing first (#7054)

8 years ago · 26d20ebcfc
1 changed files with 5 additions and 0 deletions
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@ -9276,6 +9276,11 @@ inline void gcode_M503() {
   */
  inline void gcode_M600() {

+    // Don't allow filament change without homing first
+    if (axis_unhomed_error()) {
+        home_all_axes();
+    }
+
    // Initial retract before move to filament change position
    const float retract = parser.seen('E') ? parser.value_axis_units(E_AXIS) : 0
      #if defined(PAUSE_PARK_RETRACT_LENGTH) && PAUSE_PARK_RETRACT_LENGTH > 0