diff --git a/android/src/main/java/com/pinmi/react/printer/RNBLEPrinterModule.java b/android/src/main/java/com/pinmi/react/printer/RNBLEPrinterModule.java
index 9173461..ab93b5a 100644
--- a/android/src/main/java/com/pinmi/react/printer/RNBLEPrinterModule.java
+++ b/android/src/main/java/com/pinmi/react/printer/RNBLEPrinterModule.java
@@ -71,12 +71,14 @@ public void printRawData(String base64Data, Callback errorCallback){
         adapter.printRawData(base64Data, errorCallback);
     }
 
+    @ReactMethod
     @Override
     public void printImageData(String imageUrl, Callback errorCallback) {
         Log.v("imageUrl", imageUrl);
         adapter.printImageData(imageUrl, errorCallback);
     }
 
+    @ReactMethod
     @Override
     public void printQrCode(String imageUrl, Callback errorCallback) {
         byte[] decodedString = Base64.decode(imageUrl, Base64.DEFAULT);