\documentclass[twoside]{article}
\usepackage{xepersian}
\settextfont[Scale=1]{XB Zar}
\makeatletter
%%%%%%%%%%%%%%%%%%%%%%% Do not change this
\def\@outputpage{%
\begingroup           % the \endgroup is put in by \aftergroup
  \let \protect \noexpand
  \@resetactivechars
  \global\let\@@if@newlist\if@newlist
  \global\@newlistfalse
  \@parboxrestore
  \shipout \vbox{%
    \set@typeset@protect
    \aftergroup \endgroup
    \aftergroup \set@typeset@protect
                                % correct? or just restore by ending
                                % the group?
  \if@specialpage
    \global\@specialpagefalse\@nameuse{ps@\@specialstyle}%
  \fi
  \if@twoside
    \ifodd\count\z@ \let\@thehead\@oddhead \let\@thefoot\@oddfoot
         \let\@themargin\oddsidemargin
    \else \let\@thehead\@evenhead
       \let\@thefoot\@evenfoot \let\@themargin\evensidemargin
    \fi
  \fi
  \reset@font
  \normalsize
  \if@RTLmain\setpersianfont\else\resetlatinfont\fi
  \normalsfcodes
  \let\label\@gobble
  \let\index\@gobble
  \let\glossary\@gobble
  \baselineskip\z@skip \lineskip\z@skip \lineskiplimit\z@
    \@begindvi
    \vskip \topmargin
    \moveright\@themargin \vbox {%
      \setbox\@tempboxa \vbox to\headheight{%
        \vfil
        \color@hbox
          \normalcolor
          \hb@xt@\textwidth{\if@RTLmain\beginR\fi\@thehead\if@RTL\endR\fi}%
        \color@endbox
        }%                        %% 22 Feb 87
      \dp\@tempboxa \z@
      \box\@tempboxa
      \vskip \headsep
      \box\@outputbox
      \baselineskip \footskip
      \color@hbox
        \normalcolor
        \hb@xt@\textwidth{\if@RTLmain\beginR\fi\@thefoot\if@RTLmain\endR\fi}%
      \color@endbox
      }%
    }%
  \global\let\if@newlist\@@if@newlist
  \global \@colht \textheight
  \stepcounter{page}%
  \let\firstmark\botmark
}
%%%%%%%%%%%%%%%%%%%%%%%% Now put your things down here
\def\@oddfoot{شروع شد \hrulefill\ پایان}
\def\@evenfoot{پایان \hrulefill\ شروع}
\def\@oddhead{شروع\hrulefill\ پایان}
\def\@evenhead{پایان \hrulefill\ شروع}
\makeatother
\begin{document}
آزمایش
\vfill
\eject
آزمایش
\end{document}