Samsung SCX-8240NA-CAS - Manual (Page 205)

Troubleshooting_ 205
4. Pull the jammed paper gently out of the DADF.
Close the duplex jam cover and the DADF cover. Load the removed
pages back into the DADF.
If you do not see paper in this area, go to the next step.
5. Open the DADF.
6. Open the DADF jam cover.
7. Grasp the misfeed paper, and remove the paper from the feed area by
carefully pulling it using both hands.
8. Close the DADF jam cover and the DADF. Load the removed pages
back into the DADF.