Lexmark 3100 mfp Setup Manual page 19

Installing printer
memory and
network options
Removing the shield
1
Press the release latches to open the upper and lower front
doors.
2
Press down on the side door latches and open the side door.
1
Loosen, but do not remove, the six screws on the shield.
2
Lift the shield up and off the printer.
3
Locate the connectors you want to use.
Option card connectors
Assemble paper handling options
14
Memory connectors
Firmware connectors