Just a bit of advice to other medium format shooters. Always make sure a bit of the backing paper on your roll doesn't get stuck in the back. I've had this happen a number of times with my RZ, usually it's the strip of adhesive that gets torn off and stuck when the dark slide is pushed in. I've been lucky to spot it but not the last time. I started wondering why several of my most recent rolls all had a jagged area of unexposed film on the edge of each frame. Sure enough, there was a piece of paper wedged in the groove where the darkslide pushes against the back. So now I wonder just how many rolls I went through like this. What a pain! So heed my advice and check after every roll.