diff --git a/check_cups.py b/check_cups.py
index 08fe8e4..e8212d0 100755
--- a/check_cups.py
+++ b/check_cups.py
@@ -1,8 +1,8 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 # -*- encoding: utf-8 -*-
 
 #####################################################################
-# (c) 2016 by Sven Velt, Germany                                    #
+# (c) 2016- by Sven Velt, Germany                                   #
 #             sven-mymonplugins@velt.biz                            #
 #                                                                   #
 # This file is part of "velt.biz - My Monitoring Plugins"           #
@@ -30,19 +30,18 @@ import sys
 import time
 
 try:
-	from monitoringplugin import MonitoringPlugin
+	from MyMonPlugin import MonitoringPlugin
 except ImportError:
-	print '=========================='
-	print 'AIKS! Python import error!'
-	print '==========================\n'
-	print 'Could not find "monitoringplugin.py"!\n'
-	print 'Did you download "%s"' % os.path.basename(sys.argv[0])
-	print 'without "monitoringplugin.py"?\n'
-	print 'Please go back to'
-	print 'https://gogs.velt.biz/velt.biz/MyMonPlugins and download it,'
-	print 'or even better:'
-	print 'get a full archive at http://gogs.velt.biz/velt.biz/MyMonPlugins/releases'
-	print 'or a master snapshot at http://gogs.velt.biz/velt.biz/MyMonPlugins/archive/master.tar.gz\n'
+	print('==========================')
+	print('AIKS! Python import error!')
+	print('==========================\n')
+	print('Could not find class "MonitoringPlugin"!\n')
+	print('Did you download "%s"' % os.path.basename(sys.argv[0]))
+	print('without "MyMonPlugin/"?\n')
+	print('Please go back to')
+	print('https://gogs.velt.biz/velt.biz/MyMonPlugins and:')
+	print('- get a full archive at http://gogs.velt.biz/velt.biz/MyMonPlugins/releases')
+	print('- or a master snapshot at http://gogs.velt.biz/velt.biz/MyMonPlugins/archive/master.tar.gz\n')
 	sys.exit(127)
 
 
@@ -54,7 +53,7 @@ plugin = MonitoringPlugin(
 	)
 
 
-plugin.add_cmdlineoption('-P', '--check-printers', 'check_printers', 'check printer queue', default=False, action='store_true' )
+plugin.add_cmdlineoption('-P', '--check-printers', 'check_printers', 'check printer', default=False, action='store_true' )
 plugin.add_cmdlineoption('-J', '--check-jobs', 'check_jobs', 'check job queue', default=False, action='store_true')
 plugin.add_cmdlineoption('-w', '', 'warn', 'warning thresold for old jobs (seconds)', default='3600')
 plugin.add_cmdlineoption('-c', '', 'crit', 'warning thresold for old jobs (seconds)', default='86400')
@@ -110,7 +109,7 @@ def check_printer_queue(output_printer_queue):
 def check_job_queue(output_job_queue):
 	plugin.verbose(1, 'Checking job queue')
 	m = re.compile('(\w{3} \d\d \w{3} \d{4} \d\d:\d\d:\d\d (AM|PM) \w{3,5})')
-	nowsecs = long( time.time() ) 
+	nowsecs = int( time.time() ) 
 
 	jobs_warn = []
 	jobs_crit = []
@@ -122,7 +121,7 @@ def check_job_queue(output_job_queue):
 			continue
 		tstamp = time.strptime(f.group(1),  '%a %d %b %Y %I:%M:%S %p %Z')
 
-		tsecs = long( time.mktime(tstamp) )
+		tsecs = int( time.mktime(tstamp) )
 		age = nowsecs - tsecs
 		rc = plugin.value_wc_to_returncode(age, plugin.options.warn, plugin.options.crit)
 		if rc == 1:
@@ -156,7 +155,7 @@ def call_cmd(cmdline):
 		cmd = subprocess.Popen(cmdline, stdout=subprocess.PIPE, env=myenv)
 		(sout, serr) = cmd.communicate()
 		if sout:
-			sout = sout.lstrip().rstrip().split('\n')
+			sout = sout.lstrip().rstrip().decode('utf-8').split('\n')
 		else:
 			sout = []
 	except OSError:
@@ -170,7 +169,7 @@ allchecks = not( plugin.options.check_printers or plugin.options.check_jobs )
 if allchecks or plugin.options.check_printers:
 	(sout, serr, retcode) = call_cmd(['lpstat', '-a'])
 	check_printer_queue(sout)
-if allchecks or  plugin.options.check_jobs:
+if allchecks or plugin.options.check_jobs:
 	(sout, serr, retcode) = call_cmd(['lpstat', '-o'])
 	check_job_queue(sout)