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Ender 3 Pro - several problems after switch to MKS Gen L

Posted by Bonscha 
Ender 3 Pro - several problems after switch to MKS Gen L
January 13, 2020 06:04AM
Hello community,

I purchased an Ender 3 Pro some months ago. It printed pretty nicely when I used it the first weeks, but it was loud. I had a MKS Gen L and some Silentstepsticks lying around (TMC2100 from Watterott).

I have done the following mods the the printer over time:

  1. replaced extruder parts for aluminium ones and added printed filament guide
  2. put in motor dampeners
  3. swapped mainboard for MKS Gen L
  4. put in TMC2100 for XYZ and TMC2209v2 for E
  5. removed motor dampeners
  6. added motor cooling aluminum fins with heat-conducting glue
  7. swapped the fans (casefan and hotendfan for Noctua and partfan for aftermarket more silent type)
  8. added fan duct to PSU to make it quieter
  9. swapped bowden tubing for capricorn
  10. swapped nozzle for stainless (and back)
  11. cleaned out the hotend (full procedure)
  12. added Raspi 3 and Octopi as well as webcam

The following problems are currently there and I don't know how to pinpoint them! They all weren't there before the mods!

  1. unregular extrusion, resulting in different layer widths, but seems to be no layer shift
  2. extrusion problems, skipping steps, grinding (even though I have run several different types of drivers with close to max current fpr test only)
  3. height issues, printer not printing the full height, but I cannot see if every layer is not risen completely, or if some Z moves are forgotten

Can anyone help me analyze this? Which information is the most efficient and relevant and which is the best way to test it?
Re: Ender 3 Pro - several problems after switch to MKS Gen L
February 11, 2020 09:22AM
I'm not surprised by your missing steps on TMC2100
have a look at [www.youtube.com]
there ara many search results in google for "tmc2100 missing steps"
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