Hi there and thank you for this contribution!
I bought my i3 this summer directly from anycubic.
I seem to have a different PSU. The voltage switch thing is known, I didn't care to fix it but when I want to put in on there it doesn't fit.
The fan / cover needs to be bent a bit and if I use those screws the other side comes up and there's no way to hold it down as there are no screws holes.
Or am I holding it wrong?