Well, I was wondering about this…I wonder no more.
Not something I want to do all the time, but not too difficult.
I was just looking at the pics on Wiki & got stuck, answer was at the end of the 1st video. A1 Mini Bed Plate Removal
Here are some pics.
It took about 20 min. to remove & replace.
Since I had it all apart I decided it would be a good idea to run the calibration setup.