Lexmark 4I3 - Manual (Page 117)

2. Lock the blue locking lever.
B lu e L o c k in g L e v e r
3. Center the blue sliding guide between the roller assemblies.
B lu e S lid in g G u id e
4. Close the access cover. Then close the paper door by pulling it
out and pushing it down until it latches.
Chapter 1. Setting Up the 4230 Printer 1-95