The Mamiya RZ67 is a fairly complex camera as it uses the mechanics of the RB67 body and adds electronic control circuitry. All RZ bodies coming into the repair shop go through several testing phases to determine working condition. After a visual inspection where I am looking for signs of impact, water or sand damage, the body is attached to a Mamiya factory test fixture to test the many switches and functions of the body. The lens/shutter is also tested at this time for overall function and speed accuracy. Focus is also checked at the viewfinder focus screen.
A report will be sent to the client regarding the state of the camera with estimate for needed repairs.
After repairs are made the camera goes through testing once more to ensure that it is as close to factory specifications as possible.