4-17Additional FunctionsEnter the desired time period with the [+] or [–]key. Then, press the [OK] key.MEMO: ● The Auto Power-Off Mode Time can be set from 10minutes to 4 hours: in 5-minutes increments from 10minutes to 20 minutes, in 10-minute increments from30 minutes to 50 minutes, in 30-minute incrementsfrom 1 hour to 2 hours, and hourly increments from 3hours to 4 hours.● The default setting for the Auto Power-off time is 1hour.Select AUTO POWER-OFF TIME.1■ Auto Power-off TimeIf the copier is not operated (no keys are pressed) for acertain period of time, the power switch automaticallymoves to the OFF position. This time period is called the“auto power-off time.” You can freely change the autopower-off time.