\documentclass[12pt,a4paper]{report}
\usepackage[top=3cm,right=3cm,bottom=2.5cm,left=2.5cm]{geometry}
\usepackage{fancyhdr}
\usepackage{float}
\usepackage{nomencl}
%رسم سربرگ
\renewcommand\headrule{\hrule height 0.5pt width\headwidth
                       \vspace{1pt}%
                       \hrule height 0.5pt width\headwidth
                       \vspace{-4pt}}
                       
 \pagestyle{fancy}
\cfoot{}
\lhead{\thepage}
\makenomenclature

\usepackage{xepersian}
\begin{document}
	\thispagestyle{empty}
\begin {figure}[H]
\includegraphics[trim= 0mm 0mm 0mm 0mm, clip,scale =.2]{noon}
\end{figure}
\newpage

\pagenumbering{harfi}
این یک تست است.
\end{document}