The extruder assembly is located inside the print head and consists of the plastic extruder assembly, sheet metal parts, and the extruder motor.
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¶ 1. Tools:
S2.5 Allen Key
Flathead Screwdriver
¶ 2. Filament Retraction:
¶ Step 1: Raise the Z-Axis
Connect the power supply.
① In the main menu, rotate the knob counterclockwise to the indicated position and press the knob to enter the next menu.
② In the settings menu, rotate the knob clockwise to the indicated position and press the knob to enter the next menu.
③ In the axis movement menu, rotate the knob clockwise to the indicated position and press the knob to enter the next menu.
④ Rotate the knob clockwise to adjust the value to "120mm" to raise the Z-axis to the middle position.
¶ Step 2: Heat the Nozzle
Return to the settings menu, rotate the knob to the "Filament" option, and press the knob to enter the next menu.
In the filament change menu, rotate the knob to the "Extrude" option and press the knob to start the heating process.
The nozzle will automatically heat up to 215°C and begin extrusion. Press the knob to "Stop and Return" when finished.
¶ Step 3: Remove the Filament
Once the nozzle has reached the target temperature, press the handle on the extruder to push the filament forward slightly.
Quickly retract and remove the filament. Follow the sequence in the image provided.
¶ 3. Disassembly Steps:
¶ Step 1: Power Off the Device
Before replacing the extruder assembly, ensure that the device is powered off, disconnected, and wait for the print head temperature to cool to room temperature for safety.
¶ Step 2: Remove Print Head and Extruder Cables
① Use a flathead screwdriver to gently pry open the fixed cable clamps on both sides of the print head module.
② Slightly rotate the valve on the adapter board, then disconnect the print head cable and extruder motor cable.
¶ Step 3: Remove PTFE Tube
① Remove the clamp fixing the quick connector for the extruder.