In The Multi-Purpose Tray; In The Paper Inside The Machine - Samsung CLX-8540ND Series User Manual

Insert the paper tray and close the two covers.
7

In the multi-purpose tray

If the paper is not feeding properly, pull the paper out of the
1
machine.
Open and close the side cover. Printing automatically resumes.
2

In the paper inside the machine

Note
The fuser area is hot. Take care when removing paper from the
machine.
Open the side cover.
1
Remove the jammed paper, in the direction shown.
2
If you do not see any paper in this area, go to step 3.
14.7
<Troubleshooting>