Hi there- we've had an Ultimaker 2+ X tended for a few months, and we were able to make several decent prints with it. But now the nozzle is clogging, and I've tried the Atomic method to clean it, and able to get it flowing just fine. I will do a small test print (the Ultimaker robot) successfully, but when I start a new larger project, it stops X trading a couple hours in. I'm currently doing another print, using PLA, and I upped the temp to 220 C, and 75% speed.
But I noticed the small moving part to the back of the print head doesn't move much, and I'm wondering if it should. Is that a fan? If it's not spinning, would that interfere with extrusion?
Thanks in advance!