Many things

From: Tony Duell <ard_at_p850ug1.demon.co.uk>
Date: Mon Jan 31 17:51:43 2005

> Color laser printers output a serial number indicator of some sort
> by a near-invisible pattern of yellow pixels overlaying the
> printed image. I imagine it's not 100% reliable but apparently
> it's been in place for some time.

If that's true, it's a darn good reason to use classic printers :-)

If I bought a printer and found it was puting stuff on the paper that was
not specified by the input data, it would go straight back to the shop as
being defective. Period.

-tony
Received on Mon Jan 31 2005 - 17:51:43 GMT