Dell 5110cn Color Laser Printer - Manual (Page 329)

Reattach the paper tray cover to the back of the printer. 8.
Removing the Optional Multi Protocol Card
Make sure that the printer is turned off and unplug all cables including the power cord from the rear of
the printer. 1.
Pull the paper tray cover so that the top edge tilts out and then lift the paper tray cover off its hinges. 2.