Load / Unload script

In order to load or unload the filament in your printer a simple G-code script can be used.
Thees script can be copied to your SD-Card and be executed by simply selecting to print the specific program and it will be executed accordingly.
Name your file so something that is easy to remember and maybe also put them in a subfolder on the SD-card for easy access.
Name your file ex. “load.gcode” so the printer will recognize the file as a program

There are two versions of each load/unload script, a simple version and a more advanced version. Please note that you will have to put in the lenght of the bowden tube on your printer in order to get the function working properly.

The scripts can be downloaded as a zip-file on this link

Simple version of Load-script

G90 E0 ;Reset the position of the extruder
G1 E600 F2000 ;Feed 600 mm of filament at 2000 mm/minute speed, change 600 to the lenght of your bowdentube.
G90 E0 ;Reset the position of the extruder

Simple version of Unload-script

G90 E0 ;Reset the position of the extruder
G1 E-700 F2000 ;Retract 700 mm of filament at 2000 mm/minute speed, change 700 to the lenght of your bowdentube + 100 mm.
G90 E0 ;Reset the position of the extruder

Advanced version of Load-script

G21 ;Let the printer know you are following this point with metric values
G90 ;Let the printer know you are using absolute positioning
M109 S200.000 ;Heat hotend to 200C for PLA ‘S245.000’ for ABS
G90 E0 ;Reset the position of the extruder
G1 E600 F2000 ;Feed 600 mm of filament at 2000 mm/minute speed, change 600 to the lenght of your bowdentube.
G90 E0 ;Reset the position of the extruder

Advanced version of Unload-script

G21 ;Let the printer know you are following this point with metric values
G90 ;Let the printer know you are using absolute positioning
M109 S200.000 ;Heat hotend to 200C for PLA ‘S245.000’ for ABS
G90 E0 ;Reset the position of the extruder
G1 E10 F100 ; Extrude a short distance before unloading to avoid blob forming
G90 E0 ;Reset the position of the extruder
G1 E-700 F2000 ;Retract 700 mm of filament at 2000 mm/minute speed, change 700 to the lenght of your bowdentube + 100 mm.
G90 E0 ;Reset the position of the extruder
M117 REMOVE FILAMENT NOW ;Display message on LCD-display to remove the filament

 

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