Dell 1815dn - All-in-one Laser Printer Owner's Manual page 90

Release the blue strap, the rear cover stopper, and fully open the rear cover, as shown.
5
Unfold the duplex guide fully.
6
While pushing the fuser lever to the right, open the fuser door.
7
NOTICE:
Make sure to unfold the duplex guide before opening the fuser door or you may damage the fuser
door.
90
Troubleshooting