It looks like an Ender 5 of some kind. Where do you see that it’s 400mm? Ender 5 Plus is 350x350x400mm, so it does have 400mm, but only in the z-axis.
It looks like an Ender 5 of some kind. Where do you see that it’s 400mm? Ender 5 Plus is 350x350x400mm, so it does have 400mm, but only in the z-axis.