Reception Of Print Result - Epson TM-T88V-i User Manual
Epos-print api
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- Technical reference manual (166 pages) ,
- Technical reference and user's manual (164 pages) ,
- User manual (100 pages)
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Reception of Print Result
The print result can be received by setting a callback function using the onreceive property
ePOS-Print Canvas API object. The following information is obtained:
❏ Print result
❏ Error code
❏ Printer Status
The printer status can be obtained when communication with the printer is possible.
Refer to the following program. For the details about how to program a callback function in detail, refer to
Error handling
(p.50).
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>TITLE</title>
<script type="text/javascript" src="epos-print-3.x.x.js"></script>
<script type="text/javascript">
function drawCanvas() {
// Rendering in HTML5 Canvas
//<Obtain the context>
var canvas = document.getElementById('myCanvas');
var context = canvas.getContext('2d');
//Set the end point address
var address = 'http://192.168.192.168/cgi-bin/epos/
//Create an ePOS-Print Canvas API object
var epos = new epson.CanvasPrint(address);
//Set a response receipt callback function
epos.onreceive = function (res) {
//When the printing is not successful, display a message
if (!res.success) {
}
}
//Print
epos.cut = true;
epos.print(canvas);
}
</script>
</head>
<body>
<button onclick="drawCanvas()">Run</button>
<canvas id="myCanvas" width="512" height="480"></canvas>
<img id="coffee" src="img/coffee.jpg" alt="">
<img id="wmark" src="img/wmark.png" alt="">
</body>
</html>
56
.
.
.
service.cgi?devid=local_printer&timeout=10000';
alert('A print error occurred');
(p.
148) of the
Print result receipt
callback function
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