hola, I'm not used to this system.
Here is the c/p of the script : 
(hope line breaks won't be to awful)
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#!/bin/bash
#***************************************************************************
#   Copyright (C) 2006 by Olivier Oriol                                   *
#   <email address hidden>                                               *
#                                                                         *
#   This program is free software; you can redistribute it and/or modify  *
#   it under the terms of the GNU General Public License as published by  *
#   the Free Software Foundation; either version 2 of the License, or     *
#   (at your option) any later version.                                   *
#                                                                         *
#   This program is distributed in the hope that it will be useful,       *
#   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
#   GNU General Public License for more details.                          *
#                                                                         *
#   You should have received a copy of the GNU General Public License     *
#   along with this program; if not, write to the                         *
#   Free Software Foundation, Inc.,                                       *
#   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA.             *
#***************************************************************************

#***************************************************************************
# /etc/hotplug/usb/printer
#
# Purpose of this script : 	if you send job to a printer when the printer isn't alive
# 				cups disable the printer and you need to re-enable it by hand
#				after powered on your printer.
#				this is very annoying (and quite ununsterdandable) for basic users
#				The script aims to be launch at hotplug printer detection and 
#				enable all present printers
#
# Disclaimer : 	This script is an _very_ dirty hack. It enable _all_ printers each time a printer is 
#		powered on (or plugged in). It also try to start cupsd if it stopped for any reasons
#		And last but not least, it display a message if there is an user connected to a KDE
#		The script was writed under Kubuntu breezy (5.10). I try to make it distro-free but 
#		it hasn't be tested elsewhere.
#		Oh, and there is also many sleep in the soup
#		Now, You're warned ;)
# 
# ***************************************************************************

if [ "${ACTION}" = "add" ]
then
    #we look if cupsd is up
	cupsAwaken=`ps aux | grep cupsd | grep -v grep`
	if [ "$cupsAwaken" == "" ]
	then
		# cupsd isn't here
		#we look if it is installed
		lsCups=`ls /etc/init.d/cups*` #this is because some distrib use cupsd others cupsys
		if [ "$lsCups" != "" ]
		then
			#ok cups exist so launch it (we wait a little to make sure that all nodes are ok)
			(sleep 2 && $lsCups start) 
		else
			errMSG="Le logiciel de gestion des imprimantes n'est pas installé"
		fi
	fi
	sleep 10 # we wait for cupsd finish to come to us
	cupsAwaken=`ps aux | grep cupsd | grep -v grep`
	if [ "$cupsAwaken" != "" ]
	then
		#ok here cupsd is up, we go on to wake up all printers
		for i in `lpstat -p | grep printer | cut -d ' ' -f 2`
		do
			/usr/bin/enable $i
		done
		#we look for not awakened printers
		stupidPrinters=`lpstat -p | grep printer | grep disabled | cut -d ' ' -f 2`
		if [ "$stupidPrinters" != "" ]
		then
			errMSG="Les imprimantes suivante n'ont pu être démarrées : \n$stupidPrinters"
		fi
	else
		errMSG="Le logiciel de gestion des imprimantes est inaccessible."
	fi
	if [ "$errMSG" == "" ]
	then
		# all is OK (unbelievable !!)
		# Let be user friendly to the end a user notification :)
		#is KDE running ?
		if [ "$(ps aux | grep kwin | grep -v grep)" != "" ] 
		then
			# ok KDE is up, get who is running it
			user=`ps aux | grep kwin | grep -v grep | tr -s ' ' | cut -d ' ' -f 1`
			# we show our message
			# using dcop because can't manage to get kdialog working here
			# if anyone know a dcop method to display an OSD instead of this, he would very welcome
			dcop --user o  kio_uiserver UIServer messageBox 1 5 "Toutes les imprimantes ont été démarrées." "Démarrage de l'imprimante" "" ""
		fi
	else
		#is KDE running ?
		if [ "$(ps aux | grep kwin | grep -v grep)" != "" ] 
		then
			# ok KDE is up, get who is running it
			user=`ps aux | grep kwin | grep -v grep | tr -s ' ' | cut -d ' ' -f 1`
			# we show our message
			# using dcop because can't manage to get kdialog working here
			# if anyone know a dcop method to display an OSD instead of this, he would very welcome
			dcop --user o  kio_uiserver UIServer messageBox 1 5 "Un problème est apparu lors du démarrage des imprimantes : $errMSG" "Démarrage de l'imprimante" "" ""
		fi

	fi

    # set up our removal hook
    ln -s /etc/hotplug/usb/printer $REMOVER
else
	#is KDE running ?
	if [ "$(ps aux | grep kwin | grep -v grep)" != "" ] 
	then
		# ok KDE is up, get who is running it
		user=`ps aux | grep kwin | grep -v grep | tr -s ' ' | cut -d ' ' -f 1`
		# we show our message
		# using dcop because can't manage to get kdialog working here
		# if anyone know a dcop method to display an OSD instead of this, he would very welcome
		dcop --user o  kio_uiserver UIServer messageBox 1 5 "Une imprimante a été déconnectée." "Imprimantes" "" ""
	fi
fi
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Note there is no l10n effort so user messages are in french ('cause my users are french)

Regards,
O