Another of many PTFE guides for the X1C and the AMS. This lines up the input feed.
You should have longer M3 screws in the accessories kit that came with your printer.
If you don't have any, you can buy any generic M3 hex socket screw kit off Amazon.
You can find other models I have released for the X1C/AMS here:
https://makerworld.com/en/u/2811301167/collections/109412
If you appreciate my models, please consider buying me a coffee!