I’ve tried my new Dual-Extruder on my A250a a few times, and so far have been quite frustrated (I’m by no means an experienced user, but was comfortable printing with my original single extruder). I printed the example gimbal first, and while it did print, I could see gaps and ‘loose’ areas in the …

From your images, it looks like your nozzle is too high above the bed (no “squish” on the extruded filament). I suggest adjusting the Z-offset a bit.

The included white breakaway pla needs a higher temp. Look on the spool and make sure luban is calling it out correctly. Its not “just” white pla. Mine that I got working well is at 220 c for the white breakaway support.

The gcode for the Gimbal sets the heated bed temperature to zero! I didn’t notice this at first, so on my first print there was no adhesion and just a bunch of spaghettis, hair or frizz (whatever you want to call it). Is your heated bed also not heating? To get around this, I found that setting the…

I noticed that the ‘other’ printhead’s temperature was set at 0 at the start too, and manually reset it to 200C. Then I noticed that after printing from 1 head, when it switched to the other, the first head cooled down (to 160 or so) until it was it’s turn to print again-then it heated back up to 2…

Bingo :slight_smile: That worked for me! I lowered the z-offset 0.25mm (a bit too far, but at least now I know what to adjust) and my next gimbal test print came out just fine :slight_smile:

It seems that 1.15.19 had a bug in it that after Z-Calibration the print height was about 0.3 mm too high - I have not yet tested with 1.15.20 - hope they eliminated that…

The bed temp issue is also elsewhere on this forum: Luban sets Bed Temp to 0? But the problem gets weirder. Today, I tried again and now the bed temp is 65. My adhesion problem has also gone away, seemingly on its own. Snapmaker is unclear as to whether to use the breakaway PLA in the right extrud…

To solve this problem, and it definitely looks like a bug, toggle the Left Extruder from Fast Print to Precise and Strong and then back to Fast Print. Now the bed temperature properly gets set to 65. I compared the two gcode files and note that when you don’t toggle the extruder as above, then ther…

Has anyone developed a Cure profile for the Dual Extruder?

Yes you are right, i had to offset - 0,35mm both extruders too, also with 1.15.21 (not sure if 20 or 21)…

Dual Extruder problems?

Snapmaker 2.0 (3-in-1)

JonnieCache March 15, 2023, 4:27pm 9

They have not. I’ve had to manually adjust the Z offset.

A nozzle of my printhead got clogged

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Dual Extruder problems?

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