Lexmark 4I3 - Manual (Page 79)

4. Look through the front bottom opening in the printer and find the
metal bar at the bottom of the forms device.
5. Grasp the metal bar with BOTH hands and pull firmly toward you
and then upward until both ends LOCK into place.
B o tto m o f F o rm s D e v ic e
M e t a l B a r
Chapter 1. Setting Up the 4230 Printer 1-57