Lexmark 4059-XXX - Manual (Page 209)

Repair Information 4-46
4059-XXX
Multipurpose Tray/Lower Deflector Assembly
1. Open the multipurpose tray to a position that let the left and
right tray hinge slots (A) align with the rectangular mounting
posts (B). Pull upward on each tray hinge to remove the tray
from the two mounting posts. Be careful not to break the hinges
or lose the O-ring from the left mounting post.