Quote Originally Posted by Sage632 View Post
I checked the continuity from shaft to frame while I had the drum unit out.

I use diode check for that.

The was none from chassis to shaft.

I assume that tsb#039 is some sort bulletin.

I have no Ricoh support, and do not know a way to access the bulletins.
You need to use resistance not diode check. Diode check does not show resistance value.