~~NOTOC~~

====== Starting & Ending G-code Scripts ======

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You can see where to put these scripts within Cura on the [[starting_ending_g-code_location|Starting & Ending G-code Scripts Location]] page.



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===== Starting G-code with Purge =====
<file gcode starting_g-code_script_with_purge.gcode>
G90 ; set to absolute positioning - this line was added in case Cura doesn't include it by default
M82 ; set extruder to absolute mode - this line was added in case Cura doesn't include it by default (may not be needed)
G28 ; home all axes
; The lines below are to prep the nozzle before a print begins
G1 Z0.2 F1200 ; raise nozzle 0.2mm
G92 E0 ; reset extrusion distance
G1 Y1 ; move Y-Axis (bed) 1mm to prep for purge
G1 X100 E12 F600 ; move X-carriage 100mm while purging 12mm of filament
G92 E0 ; reset extrusion distance
</file>


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===== Ending G-code with fan off after 6 minutes =====
<file gcode ending_g-code_script.gcode>
M104 S0 ; turn off hotend/extruder heater
M140 S0 ; turn off bed heater
G91 ; set to relative positioning
G1 E-2 F300 ; retract the filament a bit before lifting the nozzle to release some of the pressure
G1 Z1 ; raise Z 1mm from current position
G1 E-2 F300 ; retract filament even more
G90 ; set to absolute positioning
G1 X20 ; move X axis close to tower but hopefully far enough to keep the fan from rattling
G1 Y120 ; move bed forward for easier part removal
M84 ; disable motors
G4 S360 ; keep fan running for 360 seconds to cool hotend and allow the fan to be turned off - adjust to your needs
M107 ; turn off fan. Don't use M106 S1. Using M106 S1 may prevent the fan from turning on for the following print. Some say M107 doesn't work for them but if the hotend is below 70 degrees it should work

</file>

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</WRAP>


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===== Starting G-code if Using a Skirt or Brim =====
<file gcode starting_g-code_script_without_purge.gcode>
G90 ; set to absolute positioning - this line was added in case Cura doesn't include it by default
M82 ; set extruder to absolute mode - this line was added in case Cura doesn't include it by default (may not be needed)
G28 ; home all axes
G92 E0 ; reset extrusion distance
</file>


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<WRAP column half>


===== Ending G-code with fan remains on =====
<file gcode ending_g-code_script.gcode>
M104 S0 ; turn off hotend/extruder heater
M140 S0 ; turn off bed heater
G91 ; set to relative positioning
G1 E-2 F300 ; retract the filament a bit before lifting the nozzle to release some of the pressure
G1 Z1 ; raise Z 1mm from current position
G1 E-2 F300 ; retract filament even more
G90 ; set to absolute positioning
G1 X20 ; move X axis close to tower but hopefully far enough to keep the fan from rattling
G1 Y120 ; move bed forward for easier part removal
M84 ; disable motors
</file>


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===== Common Starting G-code request =====

==== Prime the nozzle before a print begins ====
<code>
G1 Z0.2 F1200 ; raise nozzle 0.2mm
G92 E0 ; reset extrusion distance
G1 Y10 ; move Y-Axis (bed) 10mm to prep for purge
G1 X100 E12 F600 ; move X-carriage 100mm while purging 12mm of filament
G92 E0 ; reset extrusion distance
</code>


</WRAP>

<WRAP column half>


===== Common Ending G-code request =====

==== Move bed forward for easier part removal ====
Add this just before the line with <color #CC2255>M84 ; disable motors</color>
<code>
G90 ; set to absolute positioning
G1 X20 ; move X axis close to tower but hopefully far enough to keep the fan from rattling
G1 Y120 ; move bed forward for easier part removal
</code>

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==== Raise gantry up for easier part removal ====
Add this just before the line with <color #CC2255>M84 ; disable motors</color>
<code>
G90 ; set to absolute positioning
G1 Z121; move gantry all the way up
</code>

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==== Turn fan off after print is completed ====

//Nozzle temperature must be below 70°C before command <color #CC2255>M107</color> is received else the fan will remain on. \\
If the fan remains on after a print is completed try increasing <color #CC2255>G4 S360</color> to <color #CC2255>G4 S420</color>. This will wait 420 seconds (7 minutes) before sending command <color #CC2255>M107</color>. //

<code>
G4 S360 ; keep fan running for 360 seconds to cool hotend and allow the fan to be turned off - adjust to your needs
M107 ; turn off fan
</code>

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