Xerox 480cx - Manual (Page 160)

5-12 Printing
Advanced Tab
Note: If this tab is accessed through the Printers folder, any changes
made to settings will become the default settings for the printer. Settings
made when the printer properties are accessed through an application File
menu and Print or Print Setup will remain active until the application you
are printing from is closed.
The Advanced tab allows you to specify the halftone type and adjust the
image brightness, contrast, saturation, and color strength.
Print the 480cx User Guide