5Control PanelThis illustration shows the control panel of a machine that has all options fullyinstalled.1. Screen Contrast knobAdjusts display panel brightness.2. IndicatorsDisplay the status of the machine or indi-cate errors.• d: Add Staple indicator• D: Add Toner indicator• B: Load Paper indicator• L: Service Call indicator• M: Open Cover indicator• x: Misfeed indicatorSee “Control Panel”, General SettingsGuide.3. {User Tools/Counter} key• User ToolsPress to change the defaults and con-ditions to meet your requirements.• CounterPress to check or print the counter val-ue.• InquiryPress to find where to order expenda-ble supplies and where to call when amalfunction occurs. You can also printthese details.4. Display panelDisplays operation status, error messag-es, and function menus.5. {Check Modes} keyPress to check the entered copy job set-tings.6. {Program} keyPress to select the program mode. Seep.76 “Programs”.7. {Clear Modes} keyPress to clear the previous copy job set-tings.8. {Energy Saver} keyPress to switch to and from Energy Savermode. See General Settings Guide.9. {Interrupt} keyPress to interrupt a long copy job to makecopies. See p.20 “Interrupt Copy” .10. Main power indicator and OnindicatorThe main power indicator goes on whenyou turn on the main power. The On in-dicator lights when the power is on.Important❒ Do not turn off the main powerswitch while the On indicator goeson or is flashing. The hard diskmay malfunction.ZLFS320N