Clogging of 3D printers can be due to several factors. This can range from build-up within the nozzle itself, to a lack of proper filament filament flow. Some common solutions include increasing the filament temperature or using a different filament material, using a different type of nozzle, cleaning the interior of the nozzle with a brush, or using a special filament-unclogging chemical solution. Additionally, for some printers, manually purging the nozzle via the printer's control panel may be necessary. If the clogging persists, the nozzle may need to be replaced.
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