f

app.py

@@ -80,18 +80,18 @@ def print_address_label(pdf_path):
             cut=True
         )
 
-        # Try to acquire the printer lock with a timeout
+        # Try to acquire the printer lock with a longer timeout
         max_retries = 3
-        retry_delay = 2  # seconds
+        retry_delay = 10  # 10 seconds retry delay
         for attempt in range(max_retries):
-            if printer_lock.acquire(timeout=5):  # 5 seconds timeout
+            if printer_lock.acquire(timeout=30):  # 30 seconds timeout to allow more time for the printer
                 try:
                     app.logger.info(f"Attempting to send print job (Attempt {attempt + 1})...")
                     send(
                         instructions=instructions, 
                         printer_identifier=printer, 
                         backend_identifier=backend, 
-                        blocking=True
+                        blocking=True  # Ensure blocking, so we wait for the print to complete
                     )
                     app.logger.info("Print job sent successfully")
                     break