Dell 3115cn Color Laser Printer - Manual (Page 121)

4.
NOTE: Avoid pressing down on the multi-protocol card's connector.
NOTE: Ensure that the multi-protocol card is firmly fixed in the connector and cannot be moved
easily.
Insert the two screws through the control board case and into the Multi-Protocol Card as shown, and
tighten the screws. 5.
Close the control board cover and turn the screw clockwise. 6.