Shared GuidesPrint Defects & SolutionsPrint Defects & SolutionsDiagnose print problems by symptom – visible defects, filament and feeding issues, settings, and temperature – with a link to the fix for each.Common Print Defects Image not yet addedFirst Layer IssuesGaps, ripples, or weak adhesion in the first layerImage not yet addedBridgingFilament sagging or drooping across gapsImage not yet addedWarpingCorners lifting, or the whole part detaching, off the build plateImage not yet addedUnder-ExtrusionThin walls, gaps between lines, weak printsImage not yet addedOver-ExtrusionBlobby, imprecise prints and oversized dimensionsImage not yet addedPoor Layer AdhesionParts delaminate or split between layersImage not yet addedElephant's FootFirst few layers bulge outward wider than the rest of the partImage not yet addedDimensional AccuracyParts or holes do not match their intended dimensionsImage not yet addedStringing and OozingFine plastic strands between parts of a printImage not yet addedBlobs and ZitsSmall blobs of hardened plastic on the surfaceImage not yet addedZ-Wobble / Z-BandingRepeating horizontal lines or patterns on sidesImage not yet addedRinging and GhostingWavy echo patterns near corners and featuresImage not yet addedRough Top SurfaceTop layer is rough, scarred, or pitted instead of smoothImage not yet addedLayer ShiftingLayers suddenly offset sideways mid-print Filament & Feeding Issues Image not yet addedNot Extruding at Start of PrintPrinter moves through the first layer but no filament comes outImage not yet addedStops Extruding Mid-PrintExtrusion stops randomly partway through a printImage not yet addedGrinding FilamentExtruder grinds or clicks instead of feeding filamentImage not yet addedUnclogging NozzlesClogged nozzle – no or intermittent extrusionImage not yet addedCold PullClear clogs and clean the nozzle from the insideImage not yet addedHotend Filament JammingHeat creep jams – print stops or under-extrudesImage not yet addedFilament Breaks Inside TubeRigid filament snapping inside the PTFE tubesImage not yet addedFilament Tube CompressingAccordion effect in the PTFE tube disrupts feeding Settings & Optimization Image not yet addedPrint SpeedsUnder-extrusion, layer shifting, ringing, or ghostingImage not yet addedVolumetric Flow RateQuality degrades at higher speedsImage not yet addedLayer Times & CoolingMelted features, poor adhesion, saggy overhangsImage not yet addedLayer Height & Line WidthVisible layer lines, gaps, weak adhesionImage not yet addedPressure AdvanceRounded corners, bulging seams Mechanical & Material Issues Image not yet addedPart PlacementFailures in certain build plate areasImage not yet addedInfill vs WallsUnexpected strength or print time issuesImage not yet addedNozzle Material & SizeFrequent clogging or wearImage not yet addedMaterial GuidesMaterial-specific chamber and bed temperature guidanceImage not yet addedMotion System AdjustmentBinding or misalignment causing wall artifactsImage not yet addedMaterial TuningCalibrate temperature and flow for a new material Temperature & Electrical Image not yet addedHeater FaultsTemperature errors that interrupt printsImage not yet addedPID TuningTemperature oscillation causing surface ripples