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visible ridges on the sides of your print. A properly tuned printer should be able
to maintain the extruder temperature within
+/-3degrees. During your print, you can use Anet3D printer’s control panel to monitor
the temperature of your extruder. If it is varying by more than 3 degrees, you may
need to recalibrate your thermistor. Please consult your printer manufacturer for
exact instructions on how to do this.
17.3 Mechanical issues
If you know that inconsistent extrusion and temperature variation are not to
blame, then there may be a mechanical issue that is causing lines and ridges on
the sides of your print. For example, if the print bed wobbles or vibrates while
printing, this can cause the nozzle position to vary. This means that some layers
may be slightly thicker than others. These thicker layers will produce ridges on
the sides of your print. Another common issue is a Z-axis threaded rod that is not
being positioned properly. For example, due to backlash issues or poor motor
controller micro-stepping settings. Even a small change in the bed position can
have a major impact on the quality of each layer that is printed.
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