Just insert the following CSS into your theme's CSS file:
@media print {
.search_bar, .return_to_results, .preview-area-plugin-wrapper {
display: none !important;
}
.directions_text {
height: auto;
width: 400px;
margin-left: auto;
margin-right: auto;
}
.store_map, .gm-style {
margin-left:auto !important;
margin-right: auto !important;
}
}