Originally posted by AstroDave This card has been used for every image I've taken with the K3-3, and all previous shooting sessions (many!) have evinced no such problems when starting up with the card in the camera.
That's great and all but doesn't answer the question.
The only reason I asked is that I had a card that had no issues for quite a while until it did. It was then that I remembered I had used that card in an older Pentax body and never formated it before sticking it into the newer body
(K200d and K-30).
After formatting the card, never had an issue, ever.