ZD410

Detection of Print Complete / No Label Movement

We're using a Zebra ZD410 is being used in our product with an external label feed. I need to know when the job is complete so that I can pull the label it just printed. I was using isReady from ~HS, but now I suspect that it's saying that the printer is ready for more, but the label is not necessarily complete (which makes sense if everything is queued).