Samsung SCX-8240NA-CAS - Manual (Page 227)

Troubleshooting_ 227
2. Remove the jammed paper by gently pulling it out.
3. Open and close the finisher front door. Printing automatically resumes.
If this paper jam persists, make sure the bridge covers are inserted
correctly. When the bridge covers are not inserted correctly, it could
cause paper jams and hole punch positions askew.