We used to do something similar on the Canon analog devices. It was relatively common to get failures of the drum potential sensor, producing a wide...
If you can find a new one, it's $2K to $3K, and you'll still need the license codes to make it do anything. And Kip has been remarkably unhelpful. My...
The bushing don't seize up, sure, but they do oval out, causing the seals to fail. Typically the bearings last considerably longer than the bushings....