¶ 1.Caution:
Tip: Retract the filament for the print head before replacing the temperature-sensitive wire. Wait for the print head to cool down before proceeding with the replacement
¶ 2.Tools：
- M1.5 hex key
- M2.0 hex key
- M2.5 hex key
¶ 3.Replacement Steps：
¶ Step 1: Turn off the printer
Before proceeding with the replacement, make sure to turn off the printer and disconnect the power to ensure safe operations.
¶ Step 2: Raise the Z-axis to the middle position
Rotate the left Z-axis motor coupler clockwise to lift the Z-axis to the middle position as shown in the figure.
¶ Step 3: Remove the print head casing
① Use an M2.5 hex key to unscrew the 2 screws that secure the print head casing and place them in a suitable position.
② Push the latch gently in the direction indicated by the blue arrow.
③ Finally, hold the white terminal of FAN0 by hand, unplug the FAN0 cable, remove the print head casing, and set it aside.
¶ Step 4: Remove the hot end
Disconnect the hot end wires.
Use an M2.0 hex key to loosen the screws securing the hot end, then remove it.
Use an M1.5 hex key to loosen the screws securing the temperature-sensitive wire, then remove the temperature-sensitive wire.
¶ Step 5: Install the hot end
Replace the temperature-sensitive wire, insert it into the hot end, and secure it using an M1.5 hex key.
With the two pairs of wire bundles on the hot end facing the side, firmly push up the print head assembly by hand.
Use an M2.0 hex key to reinstall the hot end .
Reconnect the print head connection cable to the port.
¶ Step6：Install the Print Head Casing
Connect the print head cooling fan cable, insert it into the cable groove, and snap on the print head casing. Finally, use an M2.5 hex key to tighten and secure the 2 screws on the print head casing.
After that，please leveling your printer.
If the above steps do not provide assistance or if you encounter any other issues during subsequent use, we recommend that you create a support ticket.
The after-sales engineers will assist you in finding a solution to the problem(Reply time :1 working day)
Please click this link to submit your ticket: