For WINDOWS VISTA Operating System:
  1. Select Start > Control Panel.
  2. Select Printers.
  3. Right-click your all-in-one printer.
  4. Select Run as administrator.
  5. Select Open.
  6. Click the Print button.
  7. Select Print Preferences.
    The Custom button will now be available (not grayed out) in Home Center Software.
NOTE: Print preferences cannot be saved unless you use the method above.