Samsung ProXpress M458x Series User Manual page 51

Loading paper in the tray
4 Flex and fan the edge of the paper stack to separate the pages before
loading papers.
5 Load the paper.
6 After inserting paper into the tray, squeeze the paper width guides and
slide them to the desired paper size marked at the bottom of the tray.
• Do not push the paper width guide too far causing the media to warp.
• If you do not adjust the paper width guide, it may cause paper jams.
• Do not use a paper with a leading-edge curl, it may cause a paper jam or
the paper can be wrinkled.
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2. Media and Tray