Lexmark CX730 User Manual page 46

Set up, install, and configure
Loading trays
CAUTION—TIPPING HAZARD: To reduce the risk of equipment instability, load each tray separately.
Keep all other trays closed until needed.
1
Remove the tray.
Note: To avoid jams, do not remove trays while the printer is busy.
2
Adjust the guides to match the size of the paper that you are loading.
Note: Use the indicators on the bottom of the tray to position the guides.
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