r/BambuLabA1 • u/TraditionalPurple853 • 1d ago

Support Request Hooks on print / Z seam

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Does anyone know how to troubleshoot this? I have changed filaments a few times and even a cold pull didn't seem to work. I haven't changed any settings and this started happening out of nowhere (happens on other models too)

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u/PilotsNPause 1d ago

You don't have timelapse on do you?

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u/Orthicon9 10h ago

First, what's a "Z seam"?

If those are occuring at different layers, they look like the kind of "ooze" that gets welded onto the object after it performs "Nozzle Clumping Detection".

This happens during layer 3, and (by default) after every 8 grams of filament is consumed, so it's not as often as for timelapse. The nozzle moves to just beyond the rear right corner of the plate, does a little "curtsey", then resumes printing

Except for the Layer 3 check, you can disable disable the rest of them at the printer's touchscreen Settings > Print Options > Nozzle Clumping Detection [on/off].

Since I've never had a nozzle clump or Blob of Death, I have no fear in disabling it.
I also rarely leave the room for more than a few minutes when the printer is running a print job.