H2.0/H1.5 hex key
Unload the filament, and ensure the nozzle temperature has cooled to below 50 degrees and the power to the printer is turned off.
Refer to the relevant content of Complete hotend assembly on the maintenance page to remove the complete hotend assembly.
Proceed to disconnect the filament tube and disconnect the hall switch cable.
Loosen the cutter lever screw with the H1.5 hex key, so that the cutter is released from the extruder and the cutter lever can completely droop.
Unscrew the 3 screws with an H2.0 hex key and remove the extruder.
Install the extruder on the toolhead and lock in 3 screws.
Connect the PTFE tube to the extruder and connect the hall switch cable.
Lift up the cutter lever, slide the cutter into the extruder groove, and lock the screw to fix the lever.
Refer to the relevant content of Complete hotend assembly on the maintenance page to install the complete hotend assembly, and mount the front housing.
Power on the printer, and complete a manual loading and unloading process. If there is no abnormality, it means the operation is successful.