4

The proper answer could be not related to Fusion, as you already noticed. I suppose the issue is that the Ultrabase surface (or any other glass surface you have installed) was not cleaned during the first month? So it should be cleaned from grease and possibly dust. The general cleaning method is to use isopropyl alcohol (IPA) from time to time (btw. I am ...


3

Keeping the print bed clean as mention in other answers is key. Dish soap (without any additives) and water to wash away oils from your hands the printer itself is the first step. Isopropyl Alcohol (IPA) is also good to keep the bed clean between prints, but when you run into adhesion problems, wash with soap first. IPA in many cases just move the oils ...


2

Try disabling the "Union Overlapping Volumes" option on Mesh Fixes section. Worked for me.


2

If there are 2 slots for temperature measurements, you don't need to solder anything, just plug the thermistor from one into the other and switch pins in the firmware. This board is basically a RAMPS 1.4 board, it includes the pins_RAMPS.h header file, so in order to switch the T0 with the T1 temperature port, you need to change: // // Temperature Sensors // ...


1

A "hack" I used was to print with a raft. I decreased the width of the raft in Cura so I'm not printing with excess plastic and the raft ensures my print always sticks. Another thing to look at is to look at the print speed, a slightly slower speed might help with the build plate adhesion. This is something I noticed from printing with a raft For ...


1

So it looks like I finally resolved that issue. I compiled a complete new firmware based on the Marlin bugfix branch. Before I was working on the sources provided in the Bigtreetech GitHub. I started from scratch and put all the settings I needed into the Configuration.h and Configuration_adv.h. Now all rings are gone. Either there was really a bug or ...


1

The plastic looks ok. If you get the tools and pins to work on the connector, you could replace problem pins. Many of us build our own cables. If we verify the connector is Molex, you might need calipers to measure dimensions to get the correct size. You won't need expensive ones. I've seen digital calipers from \$10 to \$20. Have you already verified ...


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