The Output Tray box lists selections that determine to
  which tray the paper is deposited.

  To change the output tray setting:

  1. Move the pointer to the Output Tray box.

  2. Press and hold MB1.

  3. Choose an output tray item. Release MB1.

  4. Click on the OK button.

  For multiple tray printers, the following menu items
  are available:

  -  Default

  -  Top

  -  Side

  -  Face Up

  -  Upper

  -  Lower

  -  Large Capacity