Lexmark 280 - Manual (Page 56)

Do not remove trays while a job prints or while Busy blinks on the printer control panel. Doing so may cause a jam.
1 Grasp the handle, and then pull the tray out. Remove the tray completely.
Notice the size indicators on the bottom of the tray. Use these indicators to help position the guides.
2 Squeeze the width guide tabs as shown, and then slide the guide to the correct position for the size of paper
being loaded.
Loading paper and specialty media
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