I am a newbie to the 3D printing world. Every night spending hours researching and troubleshooting. Recently though I am having a weird problem for which I can not figure out a solution. While printing it randomly skips a line or two (see attached photo). I have an Ender 3 Pro that is about a month old. I have installed a glass bed on it and I am using silk white pla. I am printing with the following settings:

  • 210 °C Nozzle temperature,
  • Bed at 60 °C,
  • Fan speed at 70 %,
  • Print speed at 45 mm/s,
  • layer height 0.2 mm with stock nozzle,
  • 10 % cubic infill,
  • and plate adhesion type is skirt.

Any help/advise would be appreciated.

enter image description here

  • $\begingroup$ Looks like extrusion issues... PLA? Then 210 °C is rather hot. $\endgroup$
    – Trish
    Dec 23 '20 at 8:50
  • $\begingroup$ Are there any sounds like clicking or buzzing coming from the extruder? Is there a lot of dust building up in the extruder? $\endgroup$ Dec 23 '20 at 13:25
  • $\begingroup$ Can you post your first layer of G-code? Does the rendering show these gaps? $\endgroup$
    – Davo
    Dec 23 '20 at 13:54
  • $\begingroup$ 210 is fine for PLA, and hotter shouldn't cause this sort of issue. I normally print it at 210 and 220 on some filament with layers 0.2 mm or larger. $\endgroup$ Dec 23 '20 at 15:03
  • $\begingroup$ Have you ever disassembled the bowden tube setup, especially at the hotend? Putting it back together wrong can cause this sort of issue. $\endgroup$ Dec 23 '20 at 15:04

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