Last week I got a third hand report that one of our WorkCentre 7855's were jamming due to pulling multible sheets through at a time, I went to troubleshoot and after printing 50 sheets to tray 3 and 50 to tray 4 (I didn't get much information about the jam) without any issues I passed it off as a one time issue with an unknown cause.
This morning I get a report that it had jammed and the user coulnd't clear it so I went over to take a look, It was jammed in tray 4 with a nice stack of what paper was remaining in the tray.
after fighting it for a bit I finally got it free and it looked to be about 30-50 pages worth.
It's now pulling multiple sheets every time there is more then one in the tray, it's just plain white 8.5"x11" (letter) paper nothing special, tray guides also look to be adjusted correctly.
Any Idea what could be causing this?