Lexmark CX517
Hibernate Timeout lets you set the amount of time the printer waits after a print job is processed before it goes into a reduced power state.
Using the Embedded Web Server
Open a Web browser, and then type the printer IP address in the address field.
Notes:
Click Settings > General Settings > Timeouts.
From the Hibernate Timeout menu, select the number of hours, days, weeks, or months you want for the printer to wait before it goes into a reduced power state.
Click Submit.
Using the printer control panel
From the printer control panel, navigate to:
> Settings > General Settings > Timeouts > Hibernate Timeout
Select the amount of time the printer waits after a print job is processed before it enters Hibernate mode.
Touch Submit.
Guide for Setting Up Universal Print in Lexmark Universal Print Ready Printers for Windows
Enable your printer to send faxes through the voice channel of a digital subscriber line.