9Turning the Printer On/OffChanging the Power SettingsSwitching the Printer to the Sleep StateIMPORTANT• When printing is in progress or an error has occurred, the printer cannot be switched to the sleep state.NOTE• The printer is automatically switched back from the sleep state to the online state in the following cases:When the Power key is pressedWhen print data is receivedWhen cleaning, etc. is performed1 Make sure the printer is in the online state (the Status lamp is lit (green)).If the printer is in the offline state (the Status lamp is off), press the Power key to switch the printer back tothe online state.2 Open the printer driver setup window. (P.31)
