Lexmark CX310 User Manual page 34

Loading paper and specialty media
Note: Do not remove trays while a job is printing or while Busy appears on the display. Doing so may cause a
jam.
2
If the paper is longer than letter‑size paper, then squeeze and then slide the length guide at the back of the tray to
extend it.
3
Squeeze, and then slide the length guide tab to the correct position for the size of the paper being loaded.
Note: Use the paper size indicators on the bottom of the tray to help position the guide.
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