Description: A wear-resistant copper sleeve is added to the feed port and the discharge port at the same time, can effectively prolong the service life of the product. Suitable for 1.75mm consumptive material Use it on the music board: When there is material, the green light of the module is always bright, and when the material is used up, the green light goes out. The main board executes the pause command operation, and waits for the people to replace the good material to execute the continued printing. Working principle: The material detection module uses the level jump detection method:When there is material, the level signal of detection port should be high level. When there is no material, the level signal of material will change to low level. The system detects a definite jump from high level to low level, and considers that the material runs out, executes the pause command, and waits for the human to change the good material to carry on the continuous printing. Main board wiring: M-sensor port on the motherboard. Package Includes: 1x Detection Module 1x 100cm Cable
