Samsung SCX-5639FR-XAA - Manual (Page 118)

Clearing paper jams
118 4. Troubleshooting
If the paper does not move when you pull or if you do not see
the paper in this area, stop and go to the next step.
3 Pull tray 1 half-way out.
4 Pull the paper straight up and out.
5 Insert the trays back into the machine. Printing automatically
resumes.
7
In the multi-purpose tray
Click this link to open an animation about clearing a jam.
1 If the paper is not feeding properly, pull the paper out of the
machine.
2 Open and close the front cover to resume printing.