2Preparation before Use2-7Power Off TimerIf the machine is not used while in sleep mode, the power automatically turns off. The Power Off Timer is used to setthe time until the power turns off. The factory setting for the time until the power turns off is 1 hour.In case of not using the machine for a extended period of timeCAUTION: If this machine will be left unused for an extended period (e.g. overnight), turn it off at the powerswitch. If the machine will not be used for an even longer period of time (e.g. vacation), remove the powerplug from the outlet as a safety precaution. If using the machine with fax, note that turning the machine off atthe power switch disables fax transmission and reception.CAUTION: Remove paper from the cassettes and seal it in the paper storage bag to protect it from humidity.SleepWhen the set time (factory setting is 1 minute) elapses after the machine is last used, the machine automaticallyenters sleep mode. The message display backlight and lights turn off to minimize power consumption. This status isreferred to as Sleep. When in the Sleep state, "Sleeping" appears in the message display.If print data is received during Sleep, the print job is performed while the Message Display remains unlit.If you are using the machine with fax, received fax data is printed out while the operation panel also remains unlit.To use the machine, press the any key on the operation panel. The machine will be ready to operate in about 15seconds.Note that ambient environmental conditions, such as ventilation, may cause the machine to respond more slowly.