Comment 1 for bug 1266704

After modifying /lib/udev/rules.d/56-hpmud.rules to exclude keyboard and mouse problem does not appear anymore:

*** /tmp/56-hpmud.rules 2014-01-07 11:40:08.970600087 +0100
--- /lib/udev/rules.d/56-hpmud.rules 2014-01-07 11:36:58.739442543 +0100
*************** SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_dev
*** 8,14 ****
  LABEL="hpmud_usb_rules"

  # ENV{ID_HPLIP}="1" is for Ubuntu udev-acl
! ATTR{idVendor}=="03f0", ATTR{idProduct}=="????", OWNER="root", GROUP="lp", MODE="0660", ENV{sane_hpaio}="yes", ENV{libsane_matched}="yes", ENV{hp_test}="yes", ENV{ID_HPLIP}="1"

  # This rule will add the printer and install plugin
  ENV{hp_test}=="yes", PROGRAM="/bin/sh -c 'logger -p user.info loading HP Device $env{BUSNUM} $env{DEVNUM}'", RUN+="/bin/sh -c 'if [ -f /usr/bin/systemctl ]; then /usr/bin/systemctl --no-block start hplip-printer@$env{BUSNUM}:$env{DEVNUM}.service; else /usr/bin/nohup /usr/bin/hp-config_usb_printer $env{BUSNUM}:$env{DEVNUM} ; fi'"
--- 8,14 ----
  LABEL="hpmud_usb_rules"

  # ENV{ID_HPLIP}="1" is for Ubuntu udev-acl
! ATTR{idVendor}=="03f0", ATTR{idProduct}!="0036", ATTR{idProduct}!="0c4a", ATTR{idProduct}=="????", OWNER="root", GROUP="lp", MODE="0660", ENV{sane_hpaio}="yes", ENV{libsane_matched}="yes", ENV{hp_test}="yes", ENV{ID_HPLIP}="1"

  # This rule will add the printer and install plugin
  ENV{hp_test}=="yes", PROGRAM="/bin/sh -c 'logger -p user.info loading HP Device $env{BUSNUM} $env{DEVNUM}'", RUN+="/bin/sh -c 'if [ -f /usr/bin/systemctl ]; then /usr/bin/systemctl --no-block start hplip-printer@$env{BUSNUM}:$env{DEVNUM}.service; else /usr/bin/nohup /usr/bin/hp-config_usb_printer $env{BUSNUM}:$env{DEVNUM} ; fi'"