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Strathcona_IT

Annoying dual-extruder printing issue

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Having fired up our UM3 extended for dual colour prints (both combined and two separately colour objects) I've been having an annoying and often destructive bug with the second print core.  When it primes and prints the little "blob" of plastic the first time, it moved the nozzle back and down to the glass to wipe but then returns to the blob, picking it up and dragging it onto the print area, usually then causing problems with the brims etc, to the point that unless caught quickly it can completely destroy them.  I don't see this behaviour with the first print core.  The problem still remains after the 3.6 firmware upgrade so presuming it could be a Gcode issue in Cura (I've not tried the new Beta yet)?  Something to watch out for.

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