Samsung MJ19BSASQ-XBG - Manual (Page 53)

ROM Drive, click the Windows [Start] button, select [Run...].
Enter D:\color\NCProsetup.exe and then press the key.
(If the drive where the CD is inserted is not D:\, enter the applicable drive.)
Uninstalling the Natural Color Software Program
Select "Setting/Control Panel" on the "Start" menu and then double-click "Add/Delete a
program".
Select Natural Color from the list and then click the "Add/Delete" button.