I suggest moving the printer to a different room or building and seeing if the problem persists.
#YOUTUBE RANDOMLY PAUSES SERIAL#
And any other 3d printers in that environment would quite possibly skip moves (not stop though, as most don't have error recovery on their read from serial or SD card). This can most likely not be fixed by firmware only more shielding. That same disturbance is also wreaking havoc on the communication channel between the real time controller(marlin/arduino) and the high level controller (griffin/olimex/linux) this lowers the potential throughput a lot, throughput required when printing more high-poly models but your EMC disturbance could make it problematic for even simple medium poly prints. The fact that it happens every time is strongly indicative of nearby electrical disturbances, could be a microwave or anything that generates sparks, broken CLF tubes, that kind of stuff. I've seen all kinds of shifts happen on the display, it is usually caused by a powerfull Electro static distcharge(ESD) but it can also be caused by constant EMC. Would a model being high poly cause this? It seems like a bug. The display corrects itself after a minute or two until another pause. I also notice that when the head pauses the display gets rotated horizontally so the right side is on the left and the left side on the right. In the beginning I have different settings because I wanted a hole in the bottom. For the issue during the spiral, scroll down to the middle. I have the GCODE from simplif圓D attached, which is very similar to Cura. As I mentioned, I have the same issue with Cura or Simplif圓d, so I don't think it is related to settings (which I already played with). Even my 300$ Creality printer can do this kind of thing smoother. I thought when I bought this machine I did not have to face these issues, and I paid the premium price for a reason. This is really causing me a headache and another dissapointment from using the Ultimaker 3 Extendend. I print pretty fast, but when slowed down it is the same issue.
It seems it is like a buffer thing or something, that he is waiting for new instructions. Believe me, I spent a considerable time investigating this. There is NOTHING in the Gcode that could cause the pause.
This seems to happen a bit at random, sometimes every layer onces, other times only after a couple of layers. Now I have at random a very brief pause of the movement which causes some extra material to leak out and create a blob. I want to print as smooth as possible vase/spiral mode, and it is crucial that the movement is as smooth as possible. I now verified it is not due to the slicing as I used Cura as Simplif圓D and both have the same issue:
I have a weird issue that I cannot seem to resolve on my Ultimaker 3 Extended.
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