Strange finding after cleaning

Dear Community,

this is my first question in this community.
So far I have only been a silent reader (and learner) and I hope you can help me here.
After the first cleaning of my Atomstack M100 (and it was really necessary) I found a little brown 5mm plastic disc (see image attached). I didn’t do anything other than loosen the screws, clean the fan, the air system and the lens (i.e. I didn’t remove anything else).
Do you know where it comes from? Is it a problem?

Thank you very much for your help.

Best regards
Jürgen

Hi GBuk,
I don’t think so, it is just ~100-200 microns thick and flexible.

But thanks for answering!

Have a nice time!

Jürgen

After consulting the manufacturer of the laser, it turned out that it was most likely a part from the packaging. Under no circumstances does it belong to the laser. The laser module is still working very well.

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