Quote Originally Posted by Geoff View Post
In 3 comments I'm convinced we can do a better job, what are we all waiting for?
We already have it cracked at minimal cost and with maximum reliability.

Don't leave your printer alone for long if it is switched on.

However you protect the thing there will always be ways that it can create life threatening havoc without triggering your alarm no matter how many sensors and cut outs you stick in there.