JavaScript DHTML/Event onMethod/onAfterPrint
"onAfterPrint" Example
<head>
<script language="JavaScript">
function function1() {
window.print();
}
</script>
</head>
<body onafterprint="alert("complete")">
<p>Some body Content to print.</p>
<form>
<input type="button" value="Print" onclick="function1()">
</form>
</body>