anladım. aslında bir custom page oluşturup ürünleri loop edip şu siteden çekip 1 kerede yazdırabilirsiniz:
https://barcode.tec-it.com/barcode.ashx?data=[urun_kodu]&code=EAN13&dpi=96&dataseparator=
örnek çıktı:
https://barcode.tec-it.com/barcode.a...dataseparator=
örnek html:
<html>
<head>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.3/css/bootstrap.min.css" />
<style>
.container{
max-width: 960px;
}
.col-3-md{
margin-bottom:30px;
}
</style>
</head>
<body>
<div class="container mt-5">
<div class="row">
<!-- loop content -->
<div class="col-3-md">
<img src="https://barcode.tec-it.com/barcode.ashx?data=201702280002&code=EAN13&dpi=96&dataseparator=" />
</div>
<!-- loop content -->
</div>
<div class="row">
<div class="col-md-12">
<button onclick="window.print()">yazdır</button>
</div>
</div>
</div>
</body>
</html>