justphred

Just got an Ultimaker 2 go about a month ago. and have been printing on it just about every day. I have been using XT filament from color fab so I have been running the temp up at roughly 240ºc. I have done some pints recently that have made me wonder when I need to replace or perform maintenance on the hot end. The print on the left I did about a week ago, and the print on the right I did a day ago (note, the print on the left has been lightly sanded with 400 grit paper, but nothing else) these prints were done upside down from their current orientation, with no supports and with a 12mm brim. I am not sure what is causing such a jagged wall on the right print. So I am wondering if its just caused by ware and tear on the hot end. This is the hot end as it looks now. I'm not sure if this is normal, if the temp I am running is causing the Teflon parts to ware out faster. or what the proper maintenance for cleaning the hot end should be. Any info/being pointed in the right direction would be appreciated.