The Print Manager tab controls the behavior of the Print Manager application.
Notifications
This setting controls the panel notification icon that is displayed in the desktop panel. By default, Auto-hide printer icon from notification area is enabled. To disable notifications, deselect the checkbox. You can also change the number of seconds the icon is displayed before it is hidden. The default is 5 seconds.
Unavailable printers
This setting controls Print Manager behavior when a printer queue becomes unavailable. By default, unavailable printer queues are shown and marked as offline in the Queue pane. If you want to hide unavailable printer queues in the Queue pane, choose this setting instead.