# The hp-wificonfig ends up into an error: 
error: Channel write error
error:  An I/O error occurred.  Please check the USB connection to your printer and try again. (Device I/O error)

# The plugin won't install: 

HP Linux Imaging and Printing System (ver. 3.11.7)
Plugin Download and Install Utility ver. 2.1

Copyright (c) 2001-9 Hewlett-Packard Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.

/Checking for network connection...
Downloading configuration file from: http://hplip.sf.net/plugin.conf
Checking for network connection...
Downloading plug-in from: http://www.openprinting.org/download/printdriver/auxfiles/HP/plugins/hplip-3.11.7-plugin.run
Receiving digital keys: /usr/bin/gpg --no-permission-warning --keyserver pgp.mit.edu --recv-keys 0xA59047B9
Verifying archive integrity... All good.
Uncompressing HPLIP 3.11.7 Plugin Self Extracting Archive.........................................

HP Linux Imaging and Printing System (ver. 3.11.7)
Plugin Installer ver. 3.0

Copyright (c) 2001-9 Hewlett-Packard Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.

Plug-in version: 3.11.7
Installed HPLIP version: 3.11.7
Number of files to install: 36


Done.

Downloading firmware to device hp:/usb/HP_LaserJet_Professional_P1102w?serial=000000000Q91T6LEPR1a...
Traceback (most recent call last):
  File "/usr/share/hplip/ui4/plugindialog.py", line 338, in NextButton_clicked
    if d.downloadFirmware():
  File "/usr/share/hplip/base/device.py", line 2533, in downloadFirmware
    log.debug("%s bytes downloaded." % utils.commafy(bytes_written))
  File "/usr/share/hplip/base/utils.py", line 393, in commafy
    return unicode(locale.format("%d", val, grouping=True))
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 3: ordinal not in range(128)