Master 7 Fixes for Under Extrusion: Ender 3 & Beyond!

Hey there, tech enthusiasts! If you’re an Ender 3 owner, you’ve probably faced the challenge of under extrusion – that pesky situation where your printer isn’t delivering enough filament for a flawless print. As someone who’s passionate about the world of 3D printing, I wanted to share some savvy solutions to get you past this hiccup.


What Exactly is Under Extrusion?
Well, in simple terms, under extrusion happens when your 3D printer struggles to release adequate filament, leading to an imperfect print. This can leave voids and irregularities, especially if you’re aiming for a top-notch model.

What can cause this? It could be anything from a jammed nozzle, an extruder that’s feeling a bit cold, or even a misaligned extruder calibration.

Ways to Tackle Ender 3 Under Extrusion:

  • Inspect Your Filament: Before diving into intricate settings, take a moment to examine your filament. Ensure it’s free from twists or knots which can jam the printer. And hey, sometimes switching to a better-quality filament does the trick!
  • Clean that Nozzle: Over the course of prints, residues can accumulate inside the nozzle. This might hinder the extrusion. Get your printer heated (around 200°C for PLA), and gently clear out any blockages. Believe me, many folks overlook this simple step!
  • Tweak Your Extruder Steps Per Millimeter: If you’ve ensured the first two points and still face issues, consider adjusting your extruder steps per millimeter. This setting is crucial as it dictates how much filament your printer pushes out.
  • Up the Nozzle Temperature: Sometimes, the filament might not be melting as it should. For instance, PLA usually melts around 200 – 220°C. Adjust the temperature accordingly to achieve smoother extrusion.
  • Ensure Bed Leveling: An uneven bed can be a sneaky culprit behind under extrusion. If the bed’s too close to the nozzle, it might restrict the filament flow. I have another piece, Mastering 3D Printer Bed Leveling, that dives deeper into this. And yes, the old-school paper method works wonders!
  • Slow Down the Infill Speed: If your infill speed setting is too aggressive, the filament might not have ample time to melt and adhere properly. Giving the filament more time by reducing the speed can work like a charm.
  • Upgrade Your Extruder: If you’ve tried everything and things aren’t shaping up, perhaps it’s time to revamp your extruder. There’s a myriad of upgrades available for Ender 3. A popular pick among the community is the Bondtech BMG Extruder. Do your homework and choose what’s best for you!

Remember, it’s all about patience and iteration. Every tweak brings you closer to the perfect print. Dive deep, experiment, and let technology amplify your creativity!