\documentclass[10pt,a4paper]{article}
\usepackage{lipsum}
\usepackage{graphicx}
\usepackage{fancyhdr}
\fancyhead{}  
%\fancyhead[LE,LO]{\includegraphics[width=1cm,height=1cm]{anjlogo}}
%\fancyhead[LE,LO]{$\begin{array}{c}
%	\includegraphics[height=.25in,width=.25in,angle=0]{anjlogo}
%\end{array}$}
\rhead{ \includegraphics[width=50pt]{anjlogo}}
\pagestyle{fancy}
\begin{document}
	\lipsum[2-15]
\end{document}