Lexmark C762 User Manual page 114

Removing a firmware card
Warning: Optional firmware cards are easily damaged by static electricity. Touch something
metal on the printer before you touch an optional firmware card.
1
Remove the system board access cover. See
2
Grasp the firmware card gently and pull it straight out in one motion. Do not pull one side and then
the other.
3
Place the card in its original packaging, or wrap the card in paper and store it in a box.
4
Replace the system board access cover. See
Accessing the printer system
Reinstalling the system board access
114
board.
cover.