Proto is giving some good feedback on things to check. I freely switch between the stock 0.4mm nozzle and a hardened 0.8mm nozzle and don’t have any scratching issues on the 4 A1’s/mini’s I have. I’m pretty sure nothing is changing in the G code between them.
I did just help someone else on the forum here who’s first layer was too thin and it was fixed by tramming the bed. They said it wasn’t too hard to do so I think would be worth a try if you’re having issues.