This section describes how to specify Print 2 Sided when registering a special sender.
Press [Print 2 Sided per Sender].
Press [On] or [Off], and then press [OK].
Selecting [Same as Basic Settings] will result in the same setting made for [2 Sided Print] of [Reception Settings].
If you select [Custom Size] for the [Bypass Tray Paper Size] setting in [Initial Set Up], duplex printing will be disabled.