Quote Originally Posted by cellison View Post
Now that I think about it the edge with the problem would not be touching the reel :\
That's what I'm thinking.

Are the marks one every frame? Look carefully, as it will be difficult to see on darker images. If so, it would eliminate a reel problem, and point to a problem with the camera. Do you have 2 similar cameras, to shoot 2 rolls of film and then do identical processing?