3 Before making copies3-32 CS250/CS240/CS2313.3 Turning on the main power and the auxiliary powerThis machine has two power controls: the main power switch and the [Power] (auxiliary power) key.Turning on the machineThe main power switch turns on/off all functions of the machine. Normally, the main power switch is turnedon.The [Power] (auxiliary power) key turns on/off machine operations, for example, for copying, printing orscanning. When the [Power] (auxiliary power) key is turned off, the machine enters a state where it conservesenergy.1 Open the main power switch cover, and then set the mainpower switch to "n".2 Close the main power switch cover.3 Press the [Power] (auxiliary power) key.Check that the touch panel is turned on.!DetailWhen the [Power] (auxiliary power) key is turned on, the indicator on the [Start] key lights up in orange,and a screen indicating that the machine is starting up appears.After a few seconds, the message "Warming up. Ready to scan." appears on the touch panel, and theindicator on the [Start] key lights up in blue, indicating that a job can now be queued.The default settings are the settings that are selected immediately after the machine is turned on (thepower switch is set to "n") and before any setting is specified from the control panel or touch panel, andthose that are selected when the [Reset] key is pressed to cancel all settings specified from the controlpanel or touch panel. The default settings can be changed. For more details, refer to "Custom displaysettings" on page 13-17.The factory default settings are the settings that were selected when this machine was sent from thefactory.2 NoteA job can also be queued while the machine is warming up after the [Power] (auxiliary power) key isturned on. For details, refer to "Scanning during warm-up" on page 3-33.After the machine has finished warming up, the scanned image will be printed.The machine takes about 30 seconds to warm up at normal room temperature (23 °C) when the [Power](auxiliary power) key is turned on after the main power switch is turned on.