Xerox WorkCentre PE120-120i-3124 - Manual (Page 190)

Troubleshooting 9.10
3 If there is any resistance and the paper does not move
when you pull, or if you cannot see the paper in the front
output tray, open the rear door.
4 Remove the jammed paper by gently pulling it straight out.
5 Close the rear door.
6 Open and close the front door to resume printing.