How do I change the Power Off Timer setting in OS X?

• You can use the printer software to change the time period before the printer turns off automatically.
• Do one of the following:
  • Mac OS X 10.6/10.7: In the Apple menu or the Dock, select System Preferences. Select Print & Fax or Print & Scan, select your product, and select Options & Supplies. Select Utility and select Open Printer Utility.
  • Mac OS X 10.5: In the Apple menu or the Dock, select System Preferences. Select Print & Scan, select your product, and select Open Print Queue. Select Utility.
• Select Printer Settings. You see this window:
  
• Select the time period you want as the Power Off Timer setting.
• Click Apply.