''*Only volunteers will change out materials. If the F370 runs out of filament or you would like to use a different color, please speak to a lab volunteer.*''
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There are four material bays within the F370. The top drawer houses the material bays and their material drive controller, which feeds the filament from the bay to the head. The material drive controller detects whether material within the material drive within the material drive during the load and unload process and can also detect errors, when filament is broken, or when the end of the spool is reached. The print will be paused if any of these things occur so the print can be recovered and filament reloaded.