Remove the tray.
Note: To avoid paper jams, do not remove trays while the printer is busy.
Adjust the paper guides to match the size of the paper that you are loading.
Flex, fan, and align the paper edges before loading.
Load the paper stack with the printable side facedown, and then make sure that the side guides fit snugly against the paper.
Insert the tray.
If necessary, set the paper size and paper type from the control panel to match the paper loaded.