Using the Ultimaker cleaning filament is the most effective way to unclog and keep print cores or normal nozzles in optimal condition.When to use the Ultimaker cleaning filament
The Ultimaker cleaning filament is used for print core and nozzle maintenance and unclogging procedures. We recommend performing regular maintenance once every three months. Unclog the print core/nozzle if there is no material extruding from the nozzle for at least ten minutes.How to use the Ultimaker cleaning filament
This filament can be used to clean the Ultimaker print core or normal nozzle by applying hot and cold pulls. Hot pulls are used to get the biggest parts of carbonized material out of the nozzle and are highly recommended when the nozzle is clogged. With a cold pull, the remaining small particles will be removed, ensuring the print core/nozzle is completely clean.
For detailed instructions on how to clean a nozzle with the Ultimaker cleaning filament, take a look at this page.