When you notice the filament is running out, please press the knob and choose "Pause Print".

⚠️ Please do this after the print head withdraws the filament from the hot-end.

Then load a new filament spool on the spool holder.
⚠️: Please insert the filament into the hot-end

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Choose "Purge more" to clean and fill the hot-end.
The print head will extrude filament from the nozzle.
⚠️: Please observe whether there is melted filament coming out of the nozzle.
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⚠️: Do this step only when you see melted filament coming out of the nozzle.
Select the "Continue" menu, then press the knob to resume 3D printing.
