\documentclass[11pt,a4paper]{article}

\usepackage[top=0cm,bottom=0cm]{geometry}
\usepackage{graphicx}

\begin{document}
\noindent
\includegraphics[width=.85\textwidth]{images/pinmap}\\
\includegraphics[width=.85\textwidth]{images/pinmap}\\
\includegraphics[width=.85\textwidth]{images/pinmap}
\end{document}