Remove the extruder from the tool head
Remove the clog in the extruder
Follow the video to remove/install the extruder.
Note: Use a hair dryer to heat the silicone glue that applies to the connectors before disconnecting it to prevent damage to the connectors.
Follow the video to disassemble/assemble the extruder and clean the clog.
When unscrewing the filament cutter retention screw, you should keep the Filament Cutter pressed.
This ensures you can remove the screw completely, to avoid damaging the plastic section of the extruder.
Ensure that you are using the flat end of the hex tool to avoid damaging the filament cutter screw.
If the screw is damaged, you might need to replace the filament cutter lever which contains a replacement screw.
After setting up, verify that everything works by turning the printer back on and doing a manual extrusion of your filament. Everything should flow consistently.