X Axis Shifting Right (+ direction) in 3D Print with Dual Extruder

Snapmaker 2.0
21

It may be fixed. Time will tell. I’m on my 3rd print job and at 45% complete it looks good.

  • it is not a bad linear module
  • it has nothing to do with print speed
  • it is not a nozzle not properly seated
  • it is not ‘jerk’ or ‘jog’
  • it is not the build plate moving
  • it is not a curling issue
  • it is not an overheated linear module
  • it is not a stepper motor overheating

It is most likely a glitch in the matrix. Following a recommendation from Facebook I carried the printer up a flight of stairs and set it on the floor beside my computer and did a direct USB connection followed by doing a factory reset. I then first installed the latest firmware (v1.15.23), followed by deinstalling Luban 4.7.3 from my desktop. Then I performed a file and registry cleanup on my computer and reinstalled Luban 4.7.3. Next, I carried the A350 back downstairs and put it back into the enclosure and did a complete calibration and alignment. Then it was time …

I opened Luban and loaded an stl file that had printed very well in the past but wasn’t working recently (see pictures above). I created a new gcode file and sent it to the printer. As of now I’m on the 3rd different print job and all have been successful. I believe I may have fixed the glitch in the matrix.

22

I am having the same issue with my Artisan. This has occurred on two different prints. The first time I was using Cura (latest version) and worked with Luban. Last night it occurred again for only for about 4 layers and using Luban. I checked the X linear module’s belt. It looks good and the tension is good as well. It started shifting right at about the 4th layer and stopped shifting at about the 8th layer.
Has anyone else experienced this? DRBuck is it still working good for you?

23

Have same issue with 2.0.
At some point I was sure its linear module but now I lean bit more toward bad FW. After all linear module is just stepping motor rotating based on signal from main cpu with giant screw. There is no belt there so nothing may skip positioning because of fast speed.
But to be fair at high speed it definately happens more often than on lower speeds

24

Why would you assume that? A stepper motor may skip/loose positioning if enough torque is applied and the holding torque of the stepper is weaker the faster it goes. I think…

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