Originally posted by jbriginshawphotograp
It does actually close still - but it's not an ideal longterm solution. I noticed they sell the replacement part at USCamera.com, but I don't know how easy it is to repair myself. I also am waiting on confirmation that the part will work on the K3II since it is advertised as for the K5 and K7.
I had the same thing happen to My K-X years ago, and it wasn't that hard to replace on that camera YMMV. As I recollect it was more than just the battery door though, I think it was the entire bottom plate of the camera, with the door on it.