System setup1973. Useful Setting Menus7Paper setupSome menus may not appear in the display depending on options ormodels. If so, it is not applicable to your machine (see "Menu overview" onpage 29).To change the menu options:• Press (Menu) > System Setup > Paper Setup on the control panel.• Or press Setup > Machine Setup > Paper Setup.8Sound / VolumeSome menus may not appear in the display depending on options ormodels. If so, it is not applicable to your machine (see "Menu overview" onpage 29).To change the menu options:• Press (Menu) > System Setup > Sound/Volume on the control panel.• Or press Setup > Machine Setup > Initial Setup > Sound/Volume.Item DescriptionPaper Size Sets the paper size as A4, Letter, or other paper sizes,according to your requirements.Paper Type Chooses the type of the paper for each tray.Paper Source Selects from which tray the paper is used.Margin Sets the margins for the document.Tray ConfirmActivates the tray confirmation message. If you open andclose a tray, a window asking you whether to set thepaper size and type for the tray just opened appears.Item DescriptionKey Sound Turns the key sound on or off. With this option set to on,a tone sounds each time a key is pressed.Alarm SoundTurns the alarm sound on or off. With this option set toon, an alarm tone sounds when an error occurs or faxcommunication ends.