From the control panel, navigate to:
> Device > > Power Management > > Eco–Mode >
Select a setting.
> Device > > Power Management > > Timeouts > > Sleep Mode >
Enter the amount of time that the printer stays idle before it enters Sleep mode.
> Device > > Power Management > > Timeouts > > Hibernate Timeout >
Select the amount of time before the printer enters Hibernate mode.
Set the paper size to universal when the size that you want is not available from the Paper menu.
Here are methods on how to obtain the Menu Settings page.