I just assembled my new Anycubic Kobra 2, performed an auto level and tried to print the 30min benchy file they include on the micro SD card that it ships with. No other modifications of adjustments made. It printed in pretty much exactly the 30min the advertised.
It’s think it did OK, but with obvious issues. Since I’m new to the hobby I don’t know exactly what to expect and how to identify print quality issues.
My benchy looks like this:
Note that vacuum sealing doesn’t necessarily change anything, I’ve bought my fair share of vacuum sealed wet filament.