Lexmark CS317 User Manual page 13

Additional printer setup
An optional memory card can be purchased separately and attached to the controller board.
1
Access the controller board at the back of the printer.
Note: This task requires a flat‑head screwdriver.
2
Turn the screws counterclockwise to remove them.
3
Slightly open the controller board access cover, and then shift to the right to remove it.
2
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