Power supply

Can be driven by built-in rechargeable Li-Ion polymer battery, power bank or computer USB output; Continuous work for more than an hour

Power button

Press power button for 3 seconds to turn on the pen, then the indicator light will change from red to green after 10 seconds. You can press loading button to load the PCL and press power button for 3 seconds to turn off when you're done. 

Indicator lights

There are two indicator lights. One will be on when it is turned on and ready to work; another one is charging indicator: it turns red when charging, and turns green after fully recharged.  when it turns red and keep flashing,you need to charge it again.(Note: When chargin indicator turns red and flashes faster, the pen will be powered off after 10 seconds.the light will turn to yellow means its temperauture increases 10℃ if you press the loading button and power button at the same time )

Loading button

Click loading button to start feeding, load the PCL into the filament hole until it comes out of the nozzle , then press again to pause. 

Unloading button

Click unloading button to remove filament automatically, which takes about 15 seconds.

(Note: it will be powered off automatically after 2 minutes)