I found the following sticker with a serial number on it sitting on the bottom of my unit under the build plate. It looks like a security sticker that will come apart of removed.
Can anyone tell me what it fell off of?
Did you try scanning the qr code?
It goes in the garbage I think because mine came on the back of the bed where the nozzle was rubbing into it tearing it apart and it was a pain to remove the little bits out. The Bambu unboxing video did not say to remove it.
It comes from the underside of the bed. It’s just the product label and be thrown away
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Your nozzle offset calibration is missing the silicon pad that goes over it
Hopefully that’s not the sticker you are referring to. I’d get Bambu to send you a replacement
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Yeah there was sticky residue on it. Maybe it was residue left from something stuck to it? I thiught it was a leftover sticker. You are saying there is supposed to be something over it? Cause mine doesn’t look like that photo. That photo looks like a plate that gets screwed in so it wouldn’t fall off. The photo doesn’t look like it has a rubber pad on it though. Looks like a black surface and a gray surface with dots.
[edit] I just submitted a ticket. Thanks for spotting that out. What is the piece called?
Yea, yours is missing the cover on that piece. Mine looks like the stock photo.
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Oh man here we go again another support ticket 
I found it on the store
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Is it normal for this part to pick up filament debris? I see pink debris in a photo here, and this is what mine looks like:
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Yours looks normal. It has the black pad where mine is missing it.