Samsung SCX-8240NA-CAS - Manual (Page 203)

Troubleshooting_ 203
6. Grasp the misfeed paper, and remove the paper from the feed area by
carefully pulling it using both hands.
7. Close the DADF jam cover and the DADF. Load the removed pages
back into the DADF.
Original paper jam while reversing paper in scanner
Click this link to open an animation about clearing a jam.
1. Remove any remaining pages from the DADF.
2. Open the DADF cover.
3. Open the DADF input tray.