Lexmark MX310dn User Manual page 16

Additional printer setup
2
Open the controller board shield using the green handle.
3
Use the following illustration to locate the option card connector.
Warning—Potential Damage: Controller board electronic components are easily damaged by static electricity.
Touch something metal on the printer before touching any controller board electronic components or
connectors.
4
Close the shield, and then the access door.
1
1
2
2
16