This Plugin allows you to print documents via USB printer.

• Android

cordova plugin add cordova-plugin-usbprint --save

Once application was started "UsbPrint" will be available in "window.cordova.plugins". So you can access plugin as

window['cordova'].plugins.UsbPrinter....()

• getConnectedPrinters(successCallback, failureCallback) :=> Gets all connected USB printer.
• connect(printername, successCallback, failureCallback) :=> Connect or gets permission for the mentioned printer identified via "printername". "printername" can be identified from the printers list got from above method call.
• disconnect(printername, successCallback, failureCallback) :=> Disconnect or gets permission for the mentioned printer identified via "printername". "printername" can be identified from the printers list got from above method call.
• print(printername, msg, successCallback, failureCallback) :=> Get all connected USB printer.
• isPaperAvailable(printername, successCallback, failureCallback) :=> Tells whether paper is available in mentioned printer.
• sendCommand(printername, command, successCallback, failureCallback) :=> Sends POS command to the printer device.
• cutPaper(printername, successCallback, failureCallback) :=> Trigger Full cut paper event to printer.

First scan for all connected printers via USB

            window['cordova'].plugins.UsbPrinter.getConnectedPrinters((result) => {
                console.log(result);
                // result will be list of printers connected to the usb device
                // success callback execution
            }, err => {
                console.error(err)
                // failure callback execution
            });

Connect or get permission for the printer from app. Connect to the printer using printer_name.

            window['cordova'].plugins.UsbPrinter.connect(printer.printername, (result) => {
                console.log(result)
                // success callback execution
            }, err => {
                // use this method to recognise the disconnection of usb device
                console.error(err)
                // failure callback execution
            });

Note: When USB gets disconnected from the mobile device, then failure callback is invoked. So use this to reecognise the unsuccesful connection and disconnection from mobile device.

Send string to print.

            window['cordova'].plugins.UsbPrinter.print(printer.printername, message, (result) => {
                console.log("result of usb print action", result)
                // successful callback execution
            }, err => {
                console.error('Error in usb print action', err)
                // failure callback execution
            });