Xerox machines are a security risk

This is an eye opening article. In the philippines we are used to old fashioned xerox machines that work mechanically. But if your xerox machine is a digital model, it has a hard drive that stores all documents that were xeroxed.

If for example a digital copier is refurbished and sold, the hard drive may still contain images of the documents that you xeroxed.
in reference to: Digital Photocopiers Loaded With Secrets - CBS Evening News - CBS News (view on Google Sidewiki)