Removing the Toolhead Housing
Step 1: Remove the Toolhead Front Cover
Open the Toolhead Front Cover, press the connector latch to unplug the cable, and then remove the Toolhead Front Cover.

Step 2: Remove the Toolhead Rear Cover
Remove the four screws with an H1.5 Allen key.
Grip the Rear Cover near the upper rod, then pull it backward firmly to detach it.

Step 3: Remove the Toolhead Middle Frame
Remove the four screws with an H1.5 Allen key.
Rotate the cable chain bracket to align it with the notch at the top of the Middle Frame, then gently lift the bottom of the Middle Frame upward to release it.
Detach the Toolhead Middle Frame from the cable chain bracket, then remove it.

Installing the Toolhead Housing
Step 1: Install the Toolhead Middle Frame
Align the notch on the Printhead Middle Frame with the cable chain bracket, then slide it into position.
Install the Middle Frame and secure it with the four screws.

Step 2: Install the Toolhead Rear Cover
Install the Toolhead Rear Cover, then secure it with four screws.

Step 3: Install the Toolhead Front Cover
Connect the Toolhead Front Cover cable to the Extruder Connection Board connector.
The Toolhead Front Cover Assembly is magnetically secured. To reinstall, simply close it into position.

Verifying Functionality
Check the gaps between the housing parts to ensure there is no visible misalignment or lifting.
Verify that the part-cooling fan turns on and off normally.