system-config-printer.py crashed with TypeError in on_enabled_activate(): decoding Unicode is not supported

printing empty pages nonstop

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: system-config-printer-gnome 1.3.12+20130308-0ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-13.23-generic 3.8.3
Uname: Linux 3.8.0-13-generic i686
ApportVersion: 2.9.2-0ubuntu2
Architecture: i386
CupsErrorLog:
 E [21/Mar/2013:08:01:03 +0200] [cups-driverd] Bad driver information file "/usr/share/cups/drv/cupsfilters.drv"!
 E [21/Mar/2013:08:57:28 +0200] [cups-driverd] Bad driver information file "/usr/share/cups/drv/cupsfilters.drv"!
 W [21/Mar/2013:08:57:42 +0200] AddProfile failed: org.freedesktop.DBus.Error.UnknownMethod:No such interface `org.freedesktop.ColorManager' on object at path /org/freedesktop/ColorManager/devices/cups_Xerox_WorkCentre_M118
CurrentDmesg: [ 3183.254371] type=1400 audit(1363848953.089:31): apparmor="DENIED" operation="open" parent=1 profile="/usr/bin/evince" name="/proc/sys/vm/overcommit_memory" pid=6694 comm="EvJobScheduler" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
Date: Thu Mar 21 09:02:27 2013
ExecutablePath: /usr/share/system-config-printer/system-config-printer.py
InstallationDate: Installed on 2013-03-13 (7 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha i386 (20130307)
InterpreterPath: /usr/bin/python2.7
Lpstat:
 device for toshiba: ipps://phn64.local:631/printers/toshiba
 device for toshiba-copiator-comenzi: ipps://phn64.local:631/printers/toshiba-copiator-comenzi
 device for Xerox-WorkCentre-M118: socket://192.168.1.242:9100
MachineType: T-Systems PC Int. GmbH T-Systems PC P5LD2-VM-C
MarkForUpload: True
PackageArchitecture: all
Papersize: a4
PpdFiles: Xerox-WorkCentre-M118: Xerox WorkCentre M118 Foomatic/Postscript
ProcCmdline: /usr/bin/python /usr/share/system-config-printer/system-config-printer.py
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-13-generic root=UUID=57a4e6eb-4d17-4c65-9c77-d0f1a4339be5 ro quiet splash vt.handoff=7
PythonArgs: ['/usr/share/system-config-printer/system-config-printer.py']
SourcePackage: system-config-printer
Title: system-config-printer.py crashed with TypeError in on_enabled_activate(): decoding Unicode is not supported
Traceback:
 Traceback (most recent call last):
   File "/usr/share/system-config-printer/system-config-printer.py", line 1578, in on_enabled_activate
     unicode (printer.name, 'utf-8'))
 TypeError: decoding Unicode is not supported
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 09/26/2006
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0003
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5LD2-VM-CR-SI
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 2.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0003:bd09/26/2006:svnT-SystemsPCInt.GmbH:pnT-SystemsPCP5LD2-VM-C:pvr:rvnASUSTeKComputerINC.:rnP5LD2-VM-CR-SI:rvrRev2.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: T-Systems PC P5LD2-VM-C
dmi.sys.vendor: T-Systems PC Int. GmbH