nothing, at this point you should try to replace the entire fuser unit with one of a machine that you know works, it could be the plastic guides that...
Hi, remove the finisher/job separator and try to rewrite the firmware without.
To reset the finisher/job separator, update it individually or update...
The grinding noise is back again, and after more research it seems this error is often caused by a sticking solenoid, and it seems to be on the fuser...