This package contains type definitions for W3C Web USB API. Use for Chrome and Opera browser . Support list device at https://caniuse.com/webusb

Feature:

• Print with thermal printer without click preview dialog
• Auto open cash drawer ( the drawer connected with printer ) once order have cash payment method
• Can print via bluetooth device work with android device only ( tested on android phone)

To use this plugin you need

• HTTPS site url
• Chrome browser or Opera
• Enable usb reader / Bluetooth on browser

After active add-on goto admin/pos/setting/addon tab, choose interface for your printer, default is “usb” , you can choose “bluetooth” if your printer connect via bluetooth.

Some printer should install usb driver for windows to make it work https://zadig.akeo.ie/

Some time , your receipt print wrong align. it cause the max char ( Max character per line in your printer ) we use for default is 32, it not suitable with your printer . So, you need change it . to change, add this shortcode to yourtheme/functions.php or any snippets code . after add . reload pos panel to take effect

add_filter('op_printer_print_details',function($print_details){
    $print_details['max_char'] = 32; // integrate change to your printer value
    return $print_details;
},10,1);

how to modify the template

to modify template, you can goto

wp-content/plugins/woocommerce-openpos-printer/assets/js/common.js

and edit template by your self.