I strongly suspect this is user error. But here is what is happening: filament 0 prints. The print head moves to the switch and filament 1 unloads instead of filament 0. Filament 2 then attempts to load instead of filament 1; but is stopped by filament 0 which is still in the way. Any ideas on what could be causing this? The only change I made to the gcode for filament change from what mk4 gcode generator was to change 'temperature' to 'nozzle_temperature' on OrcaSlicer (2.1.0dev) per Bill's advice.
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Edited:Â May 17, 2024
MK4 on K1 filament change acting strange
MK4 on K1 filament change acting strange
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make sure your 3dchameleon is on mk3 or mk4 if you have the latest firmware on your board. also its good to know the amount of seconds it takes to load from parking position above the green y tub to you extruder and that amount of seconds set in your gcode.
in your tool change gcode there should be some lines looking like this, mine is 5 seconds from park position to extruder. loading filament i added the additional g0 to start pulling in the filament and then release the button to make sure its loaded.
; continue unloading
G0 Y3 F2000
G4 P5000
G0 Y-3 F2400
G4 P400
;load new filament
G0 Y3 F2000 ;
G4 P5000
G0 e20 f1000
G0 Y-3 F2400
G92 E0