Two-Sided Printing? Nope
Note that this app does not support two-sided printing for all printer types, even if you can perform two-sided printing via your desktop computer.
Heres the response below from Epson Support for my Artisan 725 printer which does support two-sided printing (as its my default setting for my desktop computer).
“There is no support for 2-sided printing with Artisan series printer when using Epson Iprint.”
MissSDG about
Epson iPrint, v4.0.1