RZ67 shutter not firing properly, lever jams
RZ67 Pro II hasn't been used in years. I don't know if it was working when put away, but it's been stored well indoors in a low humidity environment. I want to get it back in action.
When I hit the shutter button, here's what happens:
The mirror goes up
The shutter closes
The aperture begins to close but stops short of the selected setting
And that's all that happens. At no point does the shutter open for the exposure. No matter the shutter speed. No matter the mode, white dot normal mode or orange dot emergency mode.
After a shot, I can't advance the lever. To fix this I can switch to emergency mode, press the shutter button and hear a faint click (but no visible movement), then I'm able to advance the lever and try another shot.
I've tried with three different lenses in good condition, with and without a back, with a cable release, with cable release in lens mirror lock up socket, a different battery, different settings combinations, etc. But it's the exact same behavior every time.
I believe that narrows it down to a camera body problem. I've never heard any beeping by the way, which I've read can happen with similar errors.
I don't know where to go from here. Any advice on further troubleshooting or repair?
Open to any and all ideas or thoughts. Thank you!