Copy machines store data on hard drives. Virtually all high end copiers (especially those that have network printing capability) are essentially scanners. The data ends up on the internal hard drive.

Watch this:

http://www.cbsnews.com/video/watch/?...g;mostpopvideo

So that fax you sent to your insurance company is on the hard drive of the copier/printer/fax machine (we have tons of these in our facility).

There is very little you can do. It's the receiver's responsibility to take care of this.