From the home screen, touch Settings > Device > Power Management > Timeouts > Sleep Mode.
Specify the amount of time that the printer stays idle before it enters Sleep Mode.
From the home screen, touch Settings > Device > Power Management > Timeouts > Hibernate Timeout.
Select the amount of time that the printer stays idle before it enters Hibernate mode.
Notes:
From the home screen, touch Settings > Device > Preferences > Screen Brightness.
Adjust the setting.
Print on both sides of the paper.
Print multiple pages on a single sheet of paper.
Use the preview feature to see how the document looks like before printing it.
Print one copy of the document to check its content and format for accuracy.