Lexmark CS923
Eco‑Mode
From the home screen, touch Settings > Device > Power Management > Eco‑Mode.
Select a setting.
Sleep mode
From the home screen, touch Settings > Device > Power Management > Timeouts > Sleep Mode.
Enter the number of minutes the printer stays idle before it enters Sleep mode.
Hibernate mode
From the home screen, touch Settings > Device > Power Management > Timeouts > Hibernate Timeout.
Select the amount of time before the printer enters hibernate mode.
Notes: