In The Optional Tray - Samsung SCX-6555NX Series User Manual

Do not touch the shiny imaging unit surface. Scratches or smudges
will result in poor print quality.
4. Carefully remove the misfeed paper in the direction shown.
5. Close the side cover and insert the paper tray. Lower the rear part of the
Tray to align the rear edge with the corresponding slot of the machine,
then insert it completely.
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In the optional tray

This part explains the method of removing the jammed paper in the
optional tray 2. Please refer to the next method for other optional trays,
since the method is same as the tray 2.
1. Open the outer cover in tray 2.
2. Open the inner cover of tray 2.
3. Pull the jammed paper out in the direction shown. To avoid tearing the
paper, pull it out gently and slowly.
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