How to change the hotend (Sigma Series)

In this article you will learn how to safely change the hotend

The BCN3D Sigma D25 is equipped with two 0.4 mm hotends. However, it is possible to change the hotend in order to increase the versatility of the 3D printer. Every part has its particularities and needs, so it’s wise to choose the proper hotend for each print job.

The sizes of the hotends compatible with the BCN3D Sigma D25 are 0.4 / 0.8 mm.

You can find them in our store. Small nozzles are ideal for detailed models. Instead, big nozzles allow users to fabricate more resistant parts or for rapid prints.

Warning! Be careful when handling the connection cover as the cables underneath can be damaged.

If the last 4 digits of your printer's serial number are higher than 0381, you should take the following into consideration:

Warning! The piezo cable is extremely sensitive, use caution when handling it.

cable-piezo-1

Below is the placement of the connections of the main components

extruder-board-piezo-connections

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