Lexmark 5021-0XX - Manual (Page 291)

Repair information 4-61
5021-0XX
3. Remove grounding terminal screw (A).
4. Disconnect power supply bracket connector (B).
5. Remove three screws (C) that attach power supply bracket;
remove power supply bracket.
6. Disconnect all connectors from LVPS.
7. Remove three metal screws (D) and 3 plastic screws (E) that
attach LVPS with cage; remove LVPS with cage.