Dell 1815dn Multifunction Mono Laser Printer - Manual (Page 137)

3. If you cannot see the paper in the output tray or the paper does not move when pulled, open the rear cover.
4. If you see the jammed paper, push the two blue pressure levers up and remove the paper. Skip to step 9 .
If you do not see the paper, go to the next step.
5. Release the blue strap, the rear cover stopper, and fully open the rear cover, as shown.
6. Unfold the duplex guide fully.
7. While pushing the fuser lever to the right, open the fuser door.
8. Pull the jammed paper out.
If the jammed paper does not move when you pull, push the two blue pressure levers up to loosen the paper, and then remove it.
NOTICE: Make sure to unfold the duplex guide before opening the fuser door or you may damage the fuser door.