Epson TM-T88V-i User Manual page 166

Example
To print Canvas(ID='myCanvas'):
<script type="text/javascript" src="epos-print-3.x.x.js"></script>
<script type="text/javascript">
<!--
function printCanvas() {
var address = 'http://192.168.192.168/cgi-bin/epos/service.cgi?devid=local_printer';
var canvas = document.getElementById('myCanvas');
var epos = new epson.CanvasPrint(address);
epos.onreceive = function (res) { alert(res.success); };
epos.onerror = function (err) { alert(err.status); };
epos.print(canvas);
}
//-->
</script>
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