clone method
Implementation
DeviceStatus clone() {
final d = DeviceStatus();
d
..ready = ready
..init = init
..notExist = notExist
..diskError = diskError
..paperJam = paperJam
..paperOut = paperOut
..powerOff = powerOff
..unknown = unknown
..headLifted = headLifted
..maxWeightExceeded = maxWeightExceeded
..desc = desc
..state = state;
return d;
}