Samsung ML-331X - Manual (Page 31)

Media and tray
33 2. Menu overview and basic setup
Paper quantity indicator shows the amount of paper in the
tray.
1 Full
2 Empty
 
2
Loading paper in the tray/ optional tray
1 Pull out the paper tray.
2 Flex or fan the edge of the paper stack to separate the pages
before loading papers.
3 Place paper with the side you want to print on facing down. 1 2