90Chapter 3 How to Use the Printer DriverSwitching the Printer to the Sleep StateSwitch the printer to the sleep state (power saving state).Important• When printing is in progress or an error has occurred, the printer cannot be switched to the sleepstate.• The printer enters the sleep mode automatically when it has been left idle for a certain period oftime under normal conditions of operation.Note• By default, the sleep timer is set to 4 minutes.• The printer is automatically switched back from the sleep state to the online state in the followingcases:– When the Power key is pressed.– When print data is received.– When cleaning, etc. is performed.1 Make sure the printer is in the online state (the status lamp is lit).2 Open the printer driver setup window. P.36
