I have a 6 year old, fat, spade female rescue - from a local shelter about 2 months ago - who occasionally poops in inappropriate places. Meaning anywhere other than her box. She does use the box, just not always. She has one of those auto-cleaning boxes so it isn't dirty, she's not afraid of it - I don't know that she's ever even seen it in action, plenty of litter, free access. And, like I said, she DOES use it. Always for pee, and just sometimes for poop. The box is in a low traffic area of the house and not covered.
Any suggestions? Or training advise? I've never had to train a cat before - just shown them the box and the rest was history.