The following items depend on the printer models.
Paper Tray
Selects the location of paper for your printer. The trays that are not installed are grayed out and disabled.
Paper Size
Selects the size of paper for each tray. The currently selected paper is displayed.
Paper Size/Legal Paper Size
Sets the sizes of paper that are too similar to be automatically recognized by your printer.
Auto Tray Switch
Sets automatic tray switch.