User's Guide Maintaining the Printer Saving Power - Mac OS X 1. Select System Preferences from the menu > Printers & Scanners (or Print & Scan , Print & Fax ), and then select the printer. 2. Click Options & Supplies > Utility > Open Printer Utility . 3. Click Printer Settings . 4. Select the time period before the printer enters sleep mode as the Sleep Timer setting, and click Apply . To make the printer turn off automatically, select the time period as the Power Off Timer setting, and click Apply . 112