Lexmark CX310
Schedule Power Modes lets you schedule when the printer goes into a reduced power state or into the Ready state.
Note: This feature is available only in network printers or printers connected to print servers.
Open a Web browser, and then type the printer IP address in the address field.
Notes:
Click Settings > General Settings > Schedule Power Modes.
From the Action menu, select the power mode.
From the Time menu, select the time.
From the Day(s) menu, select the day or days.
Click Add.