diff --git a/src/escpos/printer/cups.py b/src/escpos/printer/cups.py
index 192566b..a3168a5 100644
--- a/src/escpos/printer/cups.py
+++ b/src/escpos/printer/cups.py
@@ -88,7 +88,6 @@ class CupsPrinter(Escpos):
         """Class constructor for CupsPrinter.
 
         :param printer_name: CUPS printer name (Optional)
-        :type printer_name: str
         :param host: CUPS server host/ip (Optional)
         :type host: str
         :param port: CUPS server port (Optional)
diff --git a/src/escpos/printer/file.py b/src/escpos/printer/file.py
index c1c3b5a..77e9205 100644
--- a/src/escpos/printer/file.py
+++ b/src/escpos/printer/file.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python
 #  -*- coding: utf-8 -*-
-"""This module contains the implementation of the CupsPrinter printer driver.
+"""This module contains the implementation of the File printer driver.
 
 :author: python-escpos developers
 :organization: `python-escpos <https://github.com/python-escpos>`_
diff --git a/src/escpos/printer/lp.py b/src/escpos/printer/lp.py
index f32c9c4..b4715fd 100644
--- a/src/escpos/printer/lp.py
+++ b/src/escpos/printer/lp.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python
 #  -*- coding: utf-8 -*-
-"""This module contains the implementation of the CupsPrinter printer driver.
+"""This module contains the implementation of the LP printer driver.
 
 :author: python-escpos developers
 :organization: `python-escpos <https://github.com/python-escpos>`_
@@ -67,7 +67,6 @@ class LP(Escpos):
         """LP class constructor.
 
         :param printer_name: CUPS printer name (Optional)
-        :type printer_name: str
         :param auto_flush: Automatic flush after every _raw() (Optional)
         :type auto_flush: bool
         """
diff --git a/src/escpos/printer/serial.py b/src/escpos/printer/serial.py
index bf093a9..d6cc9b4 100644
--- a/src/escpos/printer/serial.py
+++ b/src/escpos/printer/serial.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python
 #  -*- coding: utf-8 -*-
-"""This module contains the implementation of the CupsPrinter printer driver.
+"""This module contains the implementation of the Serial printer driver.
 
 :author: python-escpos developers
 :organization: `python-escpos <https://github.com/python-escpos>`_
@@ -22,8 +22,6 @@ _DEP_PYSERIAL = False
 try:
     import serial
 
-    # import serial.SerialException
-
     _DEP_PYSERIAL = True
 except ImportError:
     pass
diff --git a/src/escpos/printer/win32raw.py b/src/escpos/printer/win32raw.py
index 4f1959e..62fe71f 100644
--- a/src/escpos/printer/win32raw.py
+++ b/src/escpos/printer/win32raw.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python
 #  -*- coding: utf-8 -*-
-"""This module contains the implementation of the CupsPrinter printer driver.
+"""This module contains the implementation of the Win32Raw printer driver.
 
 :author: python-escpos developers
 :organization: `python-escpos <https://github.com/python-escpos>`_