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Diagnostic Case Summary

My 3D printer is extruding too little filament

Resolved

3D printing · Started Jul 20, 2026 · by Pedro

Diagnostics

3D Printer Extrusion System Overview
Confirmed
3D Printer Under-Extrusion Due to Nozzle Clogging
Confirmed
3D Printer Under-Extrusion Symptom Verification
Confirmed
3D Printer Under-Extrusion Due to Mechanical Resistance
Ruled out
Under-Extrusion Due to Filament Spool Tangles
Ruled out
Under-Extrusion Due to Heat Break Thermal Creep
Ruled out

Remedies

Replace the 3D Printer Nozzle
This worked
Perform a Cold Pull to Remove Nozzle Debris
Tried — did not resolve

Diagnostics and Remedies considered but not confirmed

3D Printer Under-Extrusion Due to Calibration Settings
Diagnostic considered
Under-Extrusion Due to Extruder Gear Jamming or Damage
Diagnostic considered