Dell 3130cn Color Laser Printer - Manual (Page 233)

Removing a Memory
1. Ensure that the printer is turned off.
2. Turn the screw on the control board cover in a counter-clockwise direction and open the cover.
3. Pull the latches on both edges of the socket outward at the same time to raise the memory up.
4. Hold the memory and pull it out.
5. Close the control board cover and turn the screw clockwise.