Bambu Lab A1 attempts to feed filament while nozzle still cold

[Dominik.W]

New A1 skipping extruder during prep phase of print

Hello. My A1 did the same thing, and I commented out the 2 digits in the gCode. However, I have always wondered what these 2 steps are supposed to do and what Bambu Lab was thinking. For anyone wondering what this step in the initialization is for, I found an official statement from Bambu Lab in another forum and that sheds some light. "Hello Thank you for your patience. Our R&D department gave the following response. Before bed leveling, the extruder tried to extrude but could not extrude …