Prints with the 2nd color.
<script type="text/javascript" src="epos-print-3.x.x.js"></script>
<script type="text/javascript">
<!--
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.color = epos.COLOR_2;
epos.print(canvas);
//-->
</script>