Lexmark CX920
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:
Here are steps on how to set up Gmail SMTP server for Lexmark 2016 up to the latest devices.
Use the setup wizard to configure your printer to send fax messages.