Version-Release number of selected component:
hplip-gui-3.12.6-1.fc17

Additional info:
libreport version: 2.0.14
abrt_version:   2.0.13
cmdline:        /usr/bin/python /usr/bin/hp-systray --force-startup
kernel:         3.5.5-2.fc17.x86_64

backtrace:
:logger.py:186:log:IOError: [Errno 5] Input/output error
:
:Traceback (most recent call last):
:  File "/usr/bin/hp-systray", line 141, in <module>
:    hpdio.run(r2, w3)
:  File "/usr/share/hplip/hpdio.py", line 127, in run
:    dev.open()
:  File "/usr/share/hplip/base/device.py", line 1215, in open
:    log.error("Unable to communicate with device (code=%d): %s" % (result_code, self.device_uri))
:  File "/usr/share/hplip/base/logger.py", line 322, in error
:    self.log(self.color(txt, 'red'), Logger.LOG_LEVEL_ERROR)
:  File "/usr/share/hplip/base/logger.py", line 186, in log
:    out.write(message)
:IOError: [Errno 5] Input/output error
:
:Local variables in innermost frame:
:self: <base.logger.Logger object at 0x7f268548bd50>
:level: 30
:newline: True
:message: '\x1b[31;01merror: Unable to communicate with device (code=12): hp:/net/Photosmart_C6100_series?ip=192.168.0.2\x1b[0m'
:out: <open file '<stderr>', mode 'w' at 0x7f268644b270>