Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
I was following cleaning video for my elder 3 pro and was pushing my pfte tube through the hot end after removing the nozzle. It pushed out a little black plastic washer - what is this and do i need to put it back in the hot end.