Lexmark MX931 User Manual page 56

Set up, install, and configure
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.
3
Flex, fan, and align the paper edges before loading.
4
Load the paper stack with the printable side faceup.
When loading letterhead or prepunched paper, do either of the following:
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