Fix type checking

src/escpos/printer/serial.py

@@ -11,7 +11,7 @@
 
 import functools
 import logging
-from typing import Optional, Type, Union
+from typing import Optional, Union
 
 from ..escpos import Escpos
 from ..exceptions import DeviceNotFoundError
@@ -125,12 +125,13 @@ class Serial(Escpos):
 
         :raises: :py:exc:`~escpos.exceptions.DeviceNotFoundError`
         """
-        if self._device and self.device.is_open:
+        if self._device:
+            if self.device and self.device.is_open:
                 self.close()
 
         try:
             # Open device
-            self.device: Optional[Type[serial.Serial]] = serial.Serial(
+            self.device: Optional[serial.Serial] = serial.Serial(
                 port=self.devfile,
                 baudrate=self.baudrate,
                 bytesize=self.bytesize,

src/escpos/printer/usb.py

@@ -150,7 +150,7 @@ class Usb(Escpos):
         and detach_kernel_driver().
         This helps enable this library to work on Windows.
         """
-        if self._device and self.device.backend.__module__.endswith("libusb1"):
+        if self.device and self.device.backend.__module__.endswith("libusb1"):
             check_driver: Optional[bool] = None
 
             try:

src/escpos/printer/win32raw.py

@@ -114,7 +114,7 @@ class Win32Raw(Escpos):
             self.device = win32print.OpenPrinter(self.printer_name)
             if self.device:
                 self.current_job = win32print.StartDocPrinter(
-                    self.device, 1, (job_name, None, "RAW")
+                    hprinter=self.device, level=1, _tuple=(job_name, None, "RAW")
                 )
                 win32print.StartPagePrinter(self.device)
         except (AssertionError, pywintypes.error) as e: