Loud noice when the AMS is retracting in the first Slot

Bambu Lab AMS Troubleshooting
1

When the Ams is retracting the first slot it makes a loud grinding noise.
when I pull a bit on the first stage feeder so the gears losen up a bit its gone.
it comes from the black roller where its connected with a gear to the yellow gear.

2

Did you get this worked out? Mine is doing it now.

3

Also have this, is there any info or how to fix it?

4

I also have this on the 2nd slot, loading works but retracting gives the grinding noise.
I submitted a ticket but it can take a while before there is a response I believe

5

hey, are there any news about this problem. I also have this on Slot 1 now…

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