Ricoh Aficio SP 5200DN Operation And Use Manual page 78

3. Installing Options
2. Remove the two screws holding the controller board in place.
3
The removed screws are required to fasten the controller board.
3. Gripping the handles, carefully pull out the controller board.
4. Place the controller board on a flat surface.
The SDRAM module is installed in the slot shown in the illustration below.
56
CEC073
CEC075
CEC012