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Avoid cooling down the extruder in PRINT_START

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The current `PRINT_START` macro heats the extruder to 150 degrees, then
to 170, and finally to the target temperature. If the extruder is
already hot, this unnecessarily cools it down and wastes time.

This change only cools down the hotend if it's above the target
temperature and then only to that temperature.

If the extruder was colder than 150 degrees, this change maintains the
current behaviour.
This commit is contained in:
Björn Marschollek
2023-04-21 20:40:04 +02:00
parent 23d24aab17
commit 835e990d88
1 changed files with 2 additions and 2 deletions
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4
cfgs/misc-macros.cfg
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@@ -136,8 +136,8 @@ gcode:
{% endif %} {% endif %}
{% set bedtempAlmost = (bedtemp - 2, 0)|max %} {% set bedtempAlmost = (bedtemp - 2, 0)|max %}
{% set hotendtempStepOne = 150|int %} {% set hotendtempStepOne = ((hotendtemp, printer[printer.toolhead.extruder].temperature|int)|min, 150)|max %}
{% set hotendtempStepTwo = 170|int %} {% set hotendtempStepTwo = ((hotendtemp, printer[printer.toolhead.extruder].temperature|int)|min, 170)|max %}
BED_MESH_PROFILE LOAD=default ; NOTE if not using a mesh, comment out this line BED_MESH_PROFILE LOAD=default ; NOTE if not using a mesh, comment out this line
ADJUST_FILAMENT_SENSOR_STATUS ENABLE=1 ADJUST_FILAMENT_SENSOR_STATUS ENABLE=1