You can use
the printer software to change the time period before the printer
enters sleep mode.
Do one of the following:
Windows 8: Navigate to the Start screen, right-click the screen, and
select Devices and Printers.
Right-click your product name and select Printing Preferences.
Windows 7: Click and select
Devices and Printers. Right-click
your product name and select Printing
Preferences.
Windows Vista: Click and select
Control Panel. Click Printer under Hardware and Sound, right-click your product
name, and select Printing
Preferences.
Windows XP: Click Start and select Printers and Faxes. (Or open the Control Panel, select Printers and Other Hardware if necessary, and
select Printers and Faxes.)
Right-click your product name and select Printing Preferences.
Click the Maintenance
tab.
Click the Printer and Option
Information button. You see the Printer and Option
Information screen:
Select the time period you want before the product goes to
sleep as the Sleep Timer
setting.