My retraction distance is 2.0mm at 25mm/s. That is the same for both extruders.
GregValiant 1,454
Well, that's all I've got for you. That printer doesn't come here very often.
It looks like there's a Reddit Group. You can ask there and ask SnapMaker. Since it runs fine (until it doesn't) it isn't likely to be a problem in the Gcode.
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GregValiant 1,454
The best thing to do is to ask SnapMaker about the problem.
The extruders can have different retraction distances. Check that your retraction distance is the same (and correct) for each extruder in Cura. If you retract too far you can pull molten plastic up into the heat break or even the heat exchanger where it will harden and cause a jam.
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