load_filament.cfg

[gcode_macro LOAD_FILAMENT]
#
# LOAD_FILAMENT
#
# Heat to 200°C then prime the nozzle
description: Load filament (heat nozzle if necessary)
gcode:
   M117 Loading filament...
   {% if printer[printer.toolhead.extruder].temperature < 200.0 %}
   STATUS_HEATING
   M117 Heating hotend...
   SET_HEATER_TEMPERATURE HEATER='extruder' TARGET=200
   TEMPERATURE_WAIT SENSOR='extruder' MINIMUM=200
   {%endif%}
   STATUS_BUSY
   M117 Loading filament...
   M83                            ; set extruder to relative
   G1 E40 F300                    ; slower extrusion for hotend path
   G1 E15 F150                    ; prime nozzle with filament
   M82                            ; set extruder to absolute
   UPDATE_DELAYED_GCODE ID=_CLEAR_DISPLAY DURATION=10
   STATUS_READY