Sticky goo getting out of the extruder at the top

[PrinterMcgee]

Check this out:

Sticky spring under fillament hub

I recently got my A1 Mini Combo and it arrived in a very damaged box but luckily it was OK, Bambu Support told me to run some tests and report back and I also asked some questions, one of these was to do with the Filament hub as I encountered this sticky substance as when I tried to remove one of the PTFE tubes to install another one with TPU in it using the rear spool mount because that filament can not go through the AMS lite I have been told and read. The response from Bambu was that the st…