diff --git a/src/access.py b/src/access.py
index 322d28b..896c115 100644
--- a/src/access.py
+++ b/src/access.py
@@ -3,6 +3,7 @@ import os
 import time
 import requests
 from threading import Event
+from io import BytesIO
 
 
 class Access:
@@ -111,39 +112,18 @@ class Access:
 
         return content
 
-    def send_image(self, img, doc_id):
-        if self.is_time_for_refreshing():
-            self.refresh_token()
-
-        self.refreshing.wait()
-
-        with open(img, 'rb') as img_file:
-            files = {
-                'image': (os.path.basename(img), img_file)
-            }
-            response = requests.post(f'{self.url}/doc-convert/image', files=files, headers=self.headers)
-
-        if response.status_code == 400:
-            self.update_status(doc_id, self.ERROR)
-            raise Exception(f'400 Bad request: {response.json()["message"]}.')
-        elif response.status_code == 200:
-            img_url = response.json()['imageUrl']
-        else:
-            self.update_status(doc_id, self.ERROR)
-            raise Exception(f'{response.status_code}')
-
-        return img_url
-
-    def send_image_by_bytes(self, img_file_path, img_content: bytes, doc_id):
+    def send_image(self, img_path, doc_id, img_content: bytes = None):
         if self.is_time_for_refreshing():
             self.refresh_token()
 
         self.refreshing.wait()
 
+        img_obj = BytesIO(img_content) if img_content else open(img_path, 'rb')
         files = {
-            'image': (os.path.basename(img_file_path), img_content)
+            'image': (os.path.basename(img_path), img_obj)
         }
         response = requests.post(f'{self.url}/doc-convert/image', files=files, headers=self.headers)
+        img_obj.close()
 
         if response.status_code == 400:
             self.update_status(doc_id, self.ERROR)
diff --git a/src/html_epub_preprocessor.py b/src/html_epub_preprocessor.py
index d486d43..baf1b59 100644
--- a/src/html_epub_preprocessor.py
+++ b/src/html_epub_preprocessor.py
@@ -23,7 +23,7 @@ def save_image_locally(img_file_path, img_content, book_id):
 
 
 def save_image_to_aws(access: Access, img_file_path, img_content: bytes, book_id):
-    link = access.send_image_by_bytes(img_file_path, img_content, book_id)
+    link = access.send_image(img_file_path, doc_id=book_id, img_content=img_content)
     return link
 
 
diff --git a/src/html_preprocessor.py b/src/html_preprocessor.py
index c82607d..b01298c 100644
--- a/src/html_preprocessor.py
+++ b/src/html_preprocessor.py
@@ -380,7 +380,7 @@ class HTMLPreprocessor:
                 img_path = pathlib.Path(f'{html_path.parent}', f'{img_name}')
 
                 if access is not None:
-                    link = access.send_image(img_path, book_id)
+                    link = access.send_image(img_path, doc_id=book_id)
                     img.attrs['src'] = link
                     self.logger_object.log(f'{img_name} successfully uploaded.')
                 else: