28 – C910 Control PanelDisplay Panel MessagesThe display panel messages, supplemented by the Help messageswhere appropriate, are intended to be self-explanatory. Moreinformation on typical messages is provided in “Appendix A –Display Panel Messages” on page 92.There are four types of display panel message:• Status information• Menu (functions) information• Configuration information• Help informationStatus InformationStatus information is associated with three printer states:In the Information state, such as idling or printing, the printeris able to process print jobs.In the Warning state, the printer has encountered some minorproblem but is still able to process print jobs.In the Error state, the printer has encountered a problem andcannot continue printing until the user has intervened andremoved the cause of the trouble.The top two lines of the display panel show the printer status. Thebottom of the display panel normally shows a bar chart of the tonerusage.Menu (Functions) InformationThere are three types of menu (functions) information:User menus: accessed by pressing the Enter button, Up-arrow or Down-arrow button on the control panel. Thesemenus are available to the general user to make varioussettings that are used in the running of the printer.Administrator menu: accessed by pressing the Enter buttonfor more than 2 seconds while turning on the printer powersupply (including Restart). Available to administrator levelusers. Restricts the changes that general users can make viathe user menus.