In The Optional High Capacity Feeder - Samsung SCX-6555N User Manual

6. Remove the paper in the direction shown. To avoid tearing the paper,
pull it out gently and slowly.
7. Insert the tray 2 and close the two covers.

In the optional high capacity feeder

1. Open the outer cover of the high capacity feeder.
2. Open the inner cover of the high capacity feeder.
3. Pull the jammed paper out, in the direction shown, pulling gently and
slowly in order to avoid tearing the paper.
If the paper does not move when you pull, or if you do not see the paper
in this area, stop and go to step 4.
4. Pull out the optional high capacity feeder.
Troubleshooting_ 101