PETG HF Help

[Roadrunner4d]

I see alot of layer lines here, like with my problem. If you have any solution or found the magic setting, yet, that would be great.

Problems with the new petg hf on A1

Hi, i need your help. I bought some petg hf. But i really dont get it to print straight walls. I get a lot of layer lines visible on my A1. The roll is dried to 14% for 30hr now. I tried with different infills, normal and gyroid, i tried with very slow outer salls (50mm/s), 100% speed and 50% speed. Did all possible calibrations, tried a second roll of petghf, tried different models but the results at the 90degrees walls are always like this. Any other ideas? My Flowrate is at 1.02, but i trie…