Frequently Asked Questions

inconsistent extrusion. Finally, many plastics also have a tendency
to degrade over time. For example, PLA tends to absorb moisture
from the air, and over time, this will cause the print quality to
degrade. This is why many spools of plastic include a desiccant in
the packaging to help remove any moisture from the spool. If you
think your filament may be at fault, try swapping the spool for a
new, unopened, high-quality spool to see if the problem goes away.
(6) Mechanical extruder issues
If you have verified everything above and are still having
problems with inconsistent extrusion, then you may want to check
for mechanical issues with your extruder. For example, many
extruders use a drive gear with sharp teeth that bite into the
filament. This allows the extruder to move the filament back and
forth easily. These extruders also typically include an adjustment
that changes how hard the drive gear is pressed into the filament.
If this setting is too loose, the drive gear teeth won’t cut far
enough into the filament, which impacts the extruder’s ability to
accurately control the position of the filament. Check with your
manufacturer to see if your printer has a similar adjustment.
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