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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))
    image = Image.open(barcode_image+".png")
    image_width, image_height = image.size
    # Fit the image to the page while maintaining its aspect ratio
    fit_image = ImageOps.fit(image, page_size_pixels, Image.ANTIALIAS)
    fit_width, fit_height = fit_image.size
    # Calculate the position to center the image on the page
    x_pos = int((page_size_pixels[0] - fit_width) / 2)
    y_pos = int((page_size_pixels[1] - fit_height) / 2)
    # Start the print job
    printer_dc.StartDoc(barcode_image+".png")
    printer_dc.StartPage()
    # Print the image
    dib = ImageWin.Dib(fit_image)
    dib.draw(printer_dc.GetSafeHdc(), (x_pos, y_pos, fit_width, fit_height))
    # End the print job
    printer_dc.EndPage()
    printer_dc.EndDoc()
    printer_dc.ClosePrinter()
    print('Barcode printed successfully')