Dell 5100cn Color Laser Printer - Manual (Page 146)

3. If there is jammed paper remaining inside the printer, pull it out carefully to avoid tearing it.
4. If jammed paper cannot be found, pull down the blue cover along the top of the hole where the tray cartridge was
in the printer, and pull the jammed paper out carefully. Close blue cover after removing jammed paper.
5. Push the front latch up and fully open the front cover. Confirm that there are no scraps of paper remaining inside
the printer.