Ionic printer issue

@vinay_Avanto wrote:

Hi can any one help me please. I have issue related to ionic printer plugin.
import { Component } from '@angular/core';
import { NavController, NavParams } from 'ionic-angular';
import { Printer, PrintOptions } from '@ionic-native/printer';

@Component({
selector: 'page-printer-view',
templateUrl: 'printer-view.html'
})
export class PrinterViewPage {

constructor(public navCtrl: NavController, public navParams:
NavParams,
private printer: Printer) {
}

ionViewDidLoad() {
console.log('ionViewDidLoad PrinterViewPage');
}

print(){
this.printer.isAvailable().then(this.onSuccessLoad, this.onErrorLoad);

}

onSuccessLoad(){
let options: PrintOptions = {
name: 'MyDocument',
printerId: 'My Printer XYZ',
duplex: true,
landscape: true,
grayscale: true
};

this.printer.print("http://google.com",options).then(this.onSuccessPrint,
this.onErrorPrint);

}

onErrorLoad(){
alert('Error : printing is unavailable on your device ');
}

onSuccessPrint(){
alert("printing done successfully !");
}

onErrorPrint(){
alert("Error while printing !");
}

it always alert Error : printing is unavailable on your device .
please help me to make it available.
thanks.

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