How do I change the Power Off and Sleep Timer setting?

Follow the instructions below.

The product turns off automatically if it is not used for a period of time after it enters sleep mode. You can adjust the time period before power off, but increasing the time reduces the product's energy efficiency.

Changing the Power Off Timer Setting From the Control Panel

You can use the product's control panel to change the time period before the printer turns off automatically.
1. Press the  home button, if necessary.
2. Press the left or right arrow buttons to select Setup and press the OK button.
3. Press the left or right arrow buttons to select Printer Setup and press the OK button.
4. Press left or right arrow buttons to select Power Off Timer and press the OK button. You see this screen:
   
5. Press the up or down arrow buttons to select the length of time after which you want the product to automatically turn off when it is not in use. Then press the OK button.
6. Press the  home button to exit.

Changing the Power Off Timer Setting - Windows

You can use the printer software to change the time period before the printer turns off automatically.
1. Right-click the product icon in the Windows taskbar and select Printer Settings.
2. Click the Maintenance tab and select Printer and Option Information. You see this window:
   
3. In the drop-down menu, select the length of time after which you want the product to automatically turn off when it is not in use.
4. Click Send.
5. When you see the time you selected listed as the Current Printer Setting, click OK.

Changing the Power Off Timer Setting - Mac OS X

You can use the printer software to change the time period before the printer turns off automatically.
1. Do one of the following:
   • Mac OS X 10.6/10.7/10.8: 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 & Fax, select your product, and select Open Print Queue. Select Utility.
2. Select Printer Settings. You see this window:
   
3. Select the length of time after which you want the product to automatically turn off when it is not in use as the Power Off Timer setting.
4. Click Apply.
5. Close the Printer Settings window.