diff --git a/imxml2epub.py b/imxml2epub.py
index 46a63eb..9d6deaa 100755
--- a/imxml2epub.py
+++ b/imxml2epub.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8; mode: python -*-
-# Time-stamp: <2018-08-22 15:49:01 (kthoden)>
+# Time-stamp: <2019-03-29 15:45:37 (kthoden)>
 
 """ Convert a customized DocBook XML file into a set of files that
 constitute the contents of an EPUB file.
@@ -496,6 +496,7 @@ def addToTocncx(tocncx, Label, intTechnicalChapterNumber):
     # Copy File of the Image
     # If it's in a subfolder, name of folder and name of image will be merged
     strImageFileString = xmlFigure.find(".//file").text
+    logging.debug(f"Working on image {strImageFileString}.")
     strImageFileString = strImageFileString.rstrip("\n")
     strImageFileDir = os.path.dirname(strImageFileString)
     # Remove / from path
@@ -508,7 +509,7 @@ def addToTocncx(tocncx, Label, intTechnicalChapterNumber):
     elif strImageFileName_Suffix.lower() in [".png", ".pdf"]:
         extension_and_mime = "png"
     else:
-        print("Found an unrecognized image suffix: %s" % strImageFileName_Suffix)
+        logging.error(f"Found an unrecognized image suffix: {strImageFileName_Suffix}")
         sys.exit()
 
     strImageFilepath = libeoaconvert.sanitizeImage(os.getcwd() + "/CONVERT/epub/OEBPS/images/" + strImageFileDir + strImageFileName, GM_PATH, TL_PATH)
@@ -1405,7 +1406,7 @@ class FootnoteError(Exception):
 etree.strip_attributes(xmlEbookTree, "id-text", "noindent", "type", "label", "spacebefore", "rend") # also contained "id"
 etree.strip_elements(xmlEbookTree, "citekey", with_tail=False)
 
-# Write every Part and Chapter into one file
+logging.info("Write every Part and Chapter into one file")
 xmlChapters = xmlEbookTree.findall("//div1")
 listParts = []
 intTechnicalChapterNumber = 1
@@ -1450,7 +1451,7 @@ class FootnoteError(Exception):
     # Content_OPF hinzufügen
     intTechnicalChapterNumber += 1
 
-# Convert Facsimile-Parts
+logging.info("Convert Facsimile-Parts")
 xmlParts = xmlEbookTree.findall("//div0")
 for xmlPart in xmlParts:
     print("-------------")
@@ -1486,14 +1487,14 @@ class FootnoteError(Exception):
         # Content_OPF hinzufügen
         intTechnicalChapterNumber += 1
 
-# Saving toc.ncx
+logging.info("Saving toc.ncx")
 tmpFileName = os.getcwd() + "/CONVERT/epub/OEBPS/toc.ncx"
 tmpFile = open (tmpFileName, "w")
 tmpResult = etree.tostring(tocncx, pretty_print=True, encoding="unicode")
 tmpFile.write(tmpResult)
 tmpFile.close()
 
-# Saving content.opf
+logging.info("Saving content.opf")
 tmpFileName = os.getcwd() + "/CONVERT/epub/OEBPS/content.opf"
 tmpFile = open (tmpFileName, "w")
 tmpResult = etree.tostring(contentopf, pretty_print=True, encoding="unicode")
@@ -1504,8 +1505,9 @@ class FootnoteError(Exception):
 #                      Finishing various Stuff                             #
 ############################################################################
 
-# Write Temporary XML-Tree
+logging.info("Write Temporary XML-Tree")
 ergebnisdatei = open("tmp_files/Devel_ebook.xml", "w")
 ergebnis = etree.tostring(xmlEbookTree, pretty_print=True, encoding="unicode")
 ergebnisdatei.write(ergebnis)
 ergebnisdatei.close()
+logging.info("Finished!")