Case feed issue.
Either your mount plate at bottom has shifted or is bent where cam rod is bolted.
The upper assembly of case drop. (Where it mounts to case feeder arm) there is some room
For movement check that area. I am guessing that is off a good bit when you did your tape job
#2 make sure there is no debris at bottom of primer tube, use some weight on rod, make sure
Primer push rod is tight and make sure no debris in front of primer carrier and where it butts to shell
Plate and moment of priming.