I've printed both PETG and PLA just fine (using PETG as a support interface) in the AMS. The key is to turn off the prime tower, and increase the flushing volum

I've printed both PETG and PLA just fine (using PETG as a support interface) in the AMS. The key is to turn off the prime tower, and increase the flushing volume between those materials. (I do now have an H2D, and it's definitely an upgrade over having to do that)