Service Mode Service Mode should be used only by authorized service personnel. While in Service Mode, you can: G Verify and set the page count and serial number. These are displayed on the Configuration Page. G Set the Cold Reset Default. (This sets the factory default paper size to either Letter or A4). G Turn the diagnostic functions on or off (for software developers only). G Clear the Event Log. G Set the interval at which the PERFORM PRINTER MAINTENANCE message appears on the Control Panel. To enter Service Mode: 1 Hold down [Select] and [Cancel Job] while turning on the printer until all of the lights on the Control Panel are lit.
(If the Control Panel reads INITIALIZING , the keys were released too soon.) 2 Press the right side of the [Menu] key, then press [Select] . The message SERVICE MODE is displayed. To exit the Service Mode press [Go] . 3-32 Printer Operation