Samsung SCX-5639FR-XAA - Manual (Page 117)

Clearing paper jams
117 4. Troubleshooting
3 Remove the jammed paper by gently pulling it straight out.
If the paper does not move when you pull, or if you do not see
the paper in this area, check the fuser area around the toner
cartridge (see "Inside the machine" on page 119).
4 Insert tray 1 back into the machine until it snaps into place.
Printing automatically resumes.
6
In optional tray2
Click this link to open an animation about clearing a jam.
1 Pull out optional tray 2.
2 Remove the jammed paper from the machine.