ionic ng cordova TypeError: "Cannot read property 'printer' of undefined" -

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.controller('myctrl', function($scope,$cordovaprinter, ) {

$scope.print = function() {   console.log('print method here');      var page = document.getelementbyid('print_id');       if($cordovaprinter.isavailable()) {           $cordovaprinter.print(page, 'document.html', function () {           alert('printing finished or canceled')           });         } }

give me suggestion regarding error. thanks


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