Mamiya RZ67 Professional 120 Roll Film Back Holder 2x

Description

I have 2 120 film backs for the mamiya rz67. They came in a bundle with my camera but needed some adjustments to work. I fixed one that wouldn’t connect to the body and had some light leak (works fine now) and the
Other one keeps giving me a “slide in” reading even when I take the slide out. This can be bypassed by shooting in full mechanical mode (turning the shutter trigger towards the orange dot )