Dell 5110cn Color Laser Printer - Manual (Page 106)

3.
Remove the controller card from the printer by the handles. 4.
Place the controller card on the table so that its edge hangs over the edge of the table and the
controller card is horizontal. Hold the hard disk so its connector is aligned with the slot on the
controller card, and push down the shaded part (do not touch any exposed circuitry on the board). 5.