I have A General Question!!... bambu A1 I have done some amazing print thanks to you all, all of a sudden I can't get my prints to start off right... I've done everything extruder....fillament temp/ dry.... calibration x 10 clogs...lumps, adhision, ect..., new head 0.4... and I've narrow it to Z plane... how do I adjust Z ... is there a way to reset it..it keeps scraping and taking everything with it... I'm sad.