The trays automatically detect the size of plain paper. For specialty media like labels, card stock, or envelopes, do the following:
From the home screen, touch Settings > Paper > Tray Configuration > Paper Size/Type > select a paper source.
Set the size and type of the specialty media.
From the home screen, touch Settings > Paper > Media Configuration > Universal Setup.
Configure the settings.
From the home screen, touch Settings > Device > Maintenance > Configuration Menu > Tray Configuration.
Enable the Multiple Universal Sizes setting.
Remove the tray.
Adjust the 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 faceup.
For one-sided printing, load letterhead faceup with the header toward the front of the tray.
For two-sided printing, load letterhead facedown with the header toward the back of the tray.
Do not slide paper into the tray.
For plain paper, make sure that the stack height is below the maximum paper fill indicator. Overfilling may cause paper jams.
For envelopes and other specialty media, make sure that the stack height is below the dashed line. Overfilling may cause paper jams.
Insert the tray.
If necessary, set the paper size and type to match the paper loaded in the tray.
Open the multipurpose feeder.
Adjust the guide to match the size of the paper that you are loading.
Flex, fan, and align the paper edges before loading.
Load the paper.
Load paper and card stock with the printable side facedown and the top edge entering the printer first.
Load envelope with the flap side up and against the right side of the paper guide. Load European envelopes with the flap entering the printer first.
From the Paper menu in the control panel, set the paper size and type to match the paper loaded in the multipurpose feeder.
From the home screen, touch Settings > Paper > Tray Configuration > select a paper source.
Set the same paper size and paper type for the trays that you are linking.
From the home screen, touch Settings > Device > Maintenance > Configuration Menu > Tray Configuration > Tray Linking.
Touch Automatic.
To unlink trays, make sure that no trays have the same paper size and paper type settings.