AMS HT, to much pressure

Bambu Lab AMS AMS HT
1

when i used AMS ht for charged filament,

tube PTFE get out of PTFE tube coupler!

but external is already good so is AMS HT bug

2

Is the AMS HT connected to the filament buffer?

3

If a PTFE tube is coming out of a fitting, it either isn’t fully inserted into the fitting or the fitting is damaged.

Also, make sure the end of the tube is cut squarely - angles are a problem.

This isn’t a software issue with the AMS HT.

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4

tried without AMS HT, is fine but now same i’m not used right nozzle, get out when prints!

so, i believe is damaged and buyed new but am not sure what is!! if it’s special filament for support (always bug with, just used PETG now) or if it’s AMS HT and waiting command arrival before trying new configuration