Brother MFC-8820DN - Manual (Page 190)

PRINTER DRIVER SETTINGS 12 - 15
Accessories tab
The Accessories Tab includes the settings for configuring the
printer driver for the size of paper loaded in each paper source. This
tab also installs any additional options into the driver settings.
Paper Source Setting
To configure the paper size for each paper source, highlight the source
in the Paper Source Setting list. Select the Paper Size from the
pull-down box and click Update. When Auto Select (default paper
source) is set in the Basic tab of the printer driver (see Basic tab on page
12-2), the printer driver will automatically use the Paper Source Setting
to select a tray that matches the Paper Size setting in the printer driver.
Default Source
The Default Source allows you to choose the paper source that will be used when
the paper size of the document being sent does not match the Paper Source settings.
Available Options
In order to access the optional 2nd
paper tray the option must be
installed in the driver. Highlight the
model number from the Available
Options list and click Add. The
optional tray will then be listed in the
Installed box, Paper Source Setting
list and the screen illustration will
display the 2nd tray.