You can
change the default paper size for each source in Mac OS X.
Do one
of the following:
Mac OS X 10.6/10.7: In the Apple menu or the
Dock, select System Preferences.
Select Print & Fax or
Print & Scan, select your
product, and select Options &
Supplies. Select Utility and
select Open Printer Utility.
Mac OS X 10.4/10.5: In the Apple menu or the
Dock, select System Preferences.
Select Print & Fax or
Print & Scan, select your
product, and select Open Print Queue
or Print Queue. Select Utility.
Click
the Printer Settings button.
You see this window:
Select
the paper size you loaded in each paper source as the Paper Size Loaded. If your paper doesn't match
any of the sizes listed for the rear MP tray, select Others.
If you
want the printer software to warn you if you try to print with the
wrong paper size, select the Paper Size
Notice checkbox.
Note: If you turn
on Paper Size Notice, the printer
will prevent you from printing with the wrong paper size settings.
If you turn this option off and you try to print with the wrong
settings, the printer will print even if the image size exceeds the
printable area, and your printout may be smudged.