Samsung CLX-3170FN - Manual (Page 73)

Troubleshooting_ 73
6. Open the scan unit.
7. Carefully take the jammed paper out of the machine.
8. Lowering down the scan unit gently and slowly until it is completely
closed. Make sure that it is securely latched.
Be careful not to pinch your fingers!
9. Pull down the fuser lever.
10. Close the rear cover. Printing automatically resumes.