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Extruder 2 Doesn't kick in


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Posted · Extruder 2 Doesn't kick in

Hi. I've got my original with the dual extruders built both ends are heating well, but it's running horribly. During the first print I could only get the second extruder to work. i.e. I selected the first or the second extruder but only the sond extruded.

I've tried switching the cables, and updating the firmware but neither worked. Then I aligned the bed and removed some of the cable ties I've put underneath to sort the birds nest and the next print came out like https://www.dropbox.com/s/3nbrztu2zrkg4fk/IMAG0218.jpg?dl=0 (using both extruders).

The next print (using only the second extruder) started printing with extruder 2 then randomly switched to extruder 1, and is looking like https://www.dropbox.com/s/oga3eo3ml9alsyi/IMAG0219.jpg?dl=0 so far.

Is possible that the signals are jumping between the wires? Or it is an issue with Cura?

 

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    Posted · Extruder 2 Doesn't kick in

    Sorry. I'll try again, try https://www.dropbox.com/s/wp8j478yv5um9rz/FanMountMk3.gcode?dl=0'>https://www.dropbox.com/s/wp8j478yv5um9rz/FanMountMk3.gcode?dl=0 one. Also https://www.dropbox.com/s/wp8j478yv5um9rz/FanMountMk3.gcode?dl=0 is how the print came out. Pretty poor.

     

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    Posted · Extruder 2 Doesn't kick in

    Switching between extruders seems to be 'normal', means it switches from one extruder to the other once per layer.

    However, the position of the print seems to be the same for the print itself but not for the wipe&prime tower. If the offset of the second extruder is specified in Cura but not in Marlin, then the position shift should be visible in the gcode.

    Daid or Tim might want to have a look into this.

    I usually recommend to add the offset to Marlin (and recompile it) and set the offset in Cura to zero.

     

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    Posted · Extruder 2 Doesn't kick in

    Thanks but it's only supposed to be printing in a single colour not switching. How do i set these offsets?

     

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    Posted · Extruder 2 Doesn't kick in

    If you only want to use one extruder and using support you have to make sure the support setting uses the correct extruder ('support dual extrusion').

     

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