You can use
the printer software to change the time period before the printer
enters sleep mode.
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.
Select
Printer Settings. You see
this screen:
Select
the time period you want before the product goes to sleep as the
Sleep Timer setting.