793. MaintenanceMonitoring the supplies lifeIf you experience frequent paper jams or printing problems, check the number of pages the machine has printed or scanned. Replace the corresponding parts, ifnecessary.• If your has machine for +/- buttons on the control panel (see "Control panel overview" on page 24):In ready mode, press and hold (Stop/Clear) button for about 6 seconds, then release. A supplied Information report prints out.• It may be necessary to press OK to navigate to lower-level menus for some models.1 Select (Menu) > System Setup > Maintenance > Supplies Life on the control panel.2 Select the option you want and press OK.• Total: Displays the total number of pages printed.• ADF Scan: Displays the number of pages printed by using the document feeder.• Platen Scan: Displays the number of pages scanned by using scanner glass.• Supplies Info.: Prints the supply information page.3 Press (Stop/Clear) to return to ready mode.