A1 weird extrusion problem with some models

[lion7718]

Not saying this is your issue, but read this.

A1 Mini & A1 Users: Solved: Screw fell out of toolhead

I’ve seen a few posts here & doing a Google search over the weekend after it happened to me. I noticed my first layer was bad, tramming the bed didn’t fix it. I changed the Z-Offset in Bambu Studio, it worked for a few prints. The Z -Offset would change during the print. The last print I started having extrusion issues. During a calibration a screw fell out of the toolhead. I took the toolhead apart & couldn’t find where the screw came from, I was at a lost & put in a support ticket. Support…