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