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def print_barcode(printer, barcode_image):
    # Get the printer DC
    printer_dc = win32ui.CreateDC()
    printer_dc.CreatePrinterDC(printer)
    # Get the page size and image size in pixels
    page_size_mm = (25.4, 54)
    page_size_pixels = tuple(int(windll.gdi32.GetDeviceCaps(printer_dc.GetSafeHdc(), i) * page_size_mm[i] / 1000) for i in (0, 1))
    # Specify the full path to the barcode image
    barcode_image_path = os.path.abspath(barcode_image)
    image = Image.open(barcode_image_path)
    image_width, image_height = image.size
    # Calculate the scaling factor to fit the image on the page
    scaling_factor = min(int(page_size_pixels[0] / image_width), int(page_size_pixels[1] / image_height))
    # Calculate the position to center the image on the page
    x_pos = int((page_size_pixels[0] - scaling_factor * image_width) / 2)
    y_pos = int((page_size_pixels[1] - scaling_factor * image_height) / 2)
    # Start the print job
    h_printer = win32print.OpenPrinter(printer)
    h_job = win32print.StartDocPrinter(h_printer, 1, ('Barcode', None, 'RAW'))
    win32print.StartPagePrinter(h_printer)
    # Print the image
    dib = ImageWin.Dib(image)
    dib.draw(printer_dc.GetSafeHdc(), (x_pos, y_pos, scaling_factor * image_width, scaling_factor * image_height))
    # End the print job
    win32print.EndPagePrinter(h_printer)
    win32print.EndDocPrinter(h_printer)
    win32print.ClosePrinter(h_printer)