Traceback (most recent call last):
  File "/usr/bin/hp-testpage", line 217, in <module>
    if d.isIdleAndNoError():
  File "/usr/share/hplip/base/device.py", line 1857, in isIdleAndNoError
    self.queryDevice(quick=True)
  File "/usr/share/hplip/base/device.py", line 1564, in queryDevice
    status_block = status.StatusType8(self)
  File "/usr/share/hplip/base/status.py", line 1306, in StatusType8
    dev.writePrint("\x1b%-12345X@PJL INFO STATUS \r\n\x1b%-12345X")
  File "/usr/share/hplip/base/device.py", line 2038, in writePrint
    return self.__writeChannel(self.openPrint, data)
  File "/usr/share/hplip/base/device.py", line 2069, in __writeChannel
    raise Error(ERROR_DEVICE_IO_ERROR)
Error: ('Device I/O error', 12)