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I'll look into taking it apart. I've had a lot of issues with the printer since getting it but I'm still new to printing so trying to figure things out gradually. I've noticed gaps here and there alone the Z axis when doing prints (including a Makerbot model from Thingiverse as well as a replacement ...

I recently purchased an Orion and have been doing some test prints and have noticed what I think is melted PLA building up around the upper brass part of the extruder. https://www.flickr.com/photos/dhsu/14581380174/ (edit: sorry this might be a better picture since I homed the printer and had a ...