Dell M5200 Medium Workgroup Mono Laser Printer - Manual (Page 211)

Use the tabs to slide the shield up until the top three screws fit into the three keyholes on the
shield. e.
Hold the shield by the tabs and lift it off. f.
Locate the option card you want to remove. 2.
NOTICE: Electronic components are easily damaged by static electricity. Touch something metal on
the printer before you touch the option card.
Push each latch out at each end of the connector. 3.
Grasp the option card and pull it gently out of the connector. 4.