Lexmark MS310
Sleep and Hibernate are low‑power operating modes.
Notes:
Open a Web browser, and then type the printer IP address in the address field.
Click Settings > General Settings > Sleep Button Settings.
From the “Press Sleep Button” or “Press and Hold Sleep Button” menu, select Sleep or Hibernate.
Click Submit.
The Difference Between Power Saver (Sleep) Versus Hibernation on a Lexmark Printer/MFP