¶ 1.Tools:
- S2.5 hex key
¶ 2. Wire withdrawal operation:
¶ Step 1: Raise the Z-Axis
Power on the printer, go to the main menu, click on "Settings" ➞ "Move" select "50mm" as the unit, and click the "Z+ Up" to raise the Z-axis to the middle height.
¶ Step 2: Heat the Nozzle
Return to the main menu, click on "Tools" icon ➞ "Filament" icon and finally click "Extrude." The nozzle will automatically heat up to 210°C.
¶ Step 3: Remove the Consumable
Once the nozzle reaches the target temperature, you could press the handle on the extruder to push a small amount of filament, and then quickly pull out the filament. Follow the steps in the figure below for sequential operation.
¶ 3.Notes:
Reminder: When replacing the cooling fan, perform a filament retraction. Wait for the printhead to cool before proceeding with the replacement.
¶ 4.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.
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¶ Step 4: Disassemble the Printhead Assembly
①Unplug the printhead connection cable and the fan cable from the connectors.
②Use an S2.5 hex key to unscrew the two screws securing the hot end, and remove the printhead assembly.
③Use a S2.5 hex key to unscrew the screws securing the fan.
¶ Step 5: Replace the Cooling Fan
Replace the cooling fan with a new one and use a S2.5 hex key to secure it in place.
¶ Step 6: Install the Printhead Assembly
①Use a S2.5 hex key to secure the printhead assembly in place.
②Reconnect the printhead connection cable and the fan cable to the adapter board.
¶ Step 7：Install the Print Head Casing
Connect the cooling fan cable, insert it into the cable groove, and snap on the print head casing.
Finally, use an S2.5 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: