Canon Color Copiers

X-Reposting Policy: Don't redistribute without permission. Rev.1.0.1

Hi,

With a friend, I conducted an experiment.

We took two one dollar bills.

We tried to copy each one on a Canon CLC 550 (aka Canon Color copier).

The side with George Washington on it copied fine.

The other side didn't.

We adjusted the bills so we exposed only half of each bills; 
that is the top and bottom half and the right and left half.

The bottom have copied while the top half didn't.

The Left half copied (side with The Great Seal) while the right
half didn't.

We assumed then it was finding something located in the
upper right half of the back of the dollar bill. When we 
attempted to isolate that part of the bill, it DID copy.

Strange. Perhaps someone could look at a 1, 5, 10, 20
and 100 dollar bill and see if there is anything in common
in the upper right half of the back of those bills.

Interestingly, when we did isolate the upper right half even
though it copied, it didn't copy cleanly. 

You might ask, "How good are the copies."

My friend thought they were not great, while I thought
they were pretty good. As we were leaving the copier and
cleaning up after ourselves, the truth was revealed. My friend 
tried to pick up one of the "copied" dollars. My friend then
remarked, "I guess it is not such a bad copy."

/hawk

Harry Shapiro Hawk
Manager of Computer Services
Warwick Baker & Fiore              habs@uucp.warwick.com

- Free Money ? 


   >X-Reposting Policy: Don't redistribute without permission. Rev.1.0.1

   >
   >We assumed then it was finding something located in the
   >upper right half of the back of the dollar bill. When we 
   >attempted to isolate that part of the bill, it DID copy.
   >
   >Strange. Perhaps someone could look at a 1, 5, 10, 20
   >and 100 dollar bill and see if there is anything in common
   >in the upper right half of the back of those bills.
   >
   >Interestingly, when we did isolate the upper right half even
   >though it copied, it didn't copy cleanly. 

*** Dont most photocopiers have an automatic exposure control,
    which like cheap photo devoping printing services, uses the 
    integrated light from the WHOLE object to set the exposure.
     
    If there is an near-UV flourescent region in US bills, this would 
    interfere with photocopying by making the overall result
    too dark.

    Why not look for watermarks etc with a UV money-checking lamp
    Then cut out  (a very light red ?) UV filter to cover the offending
    region when copying.  Then paint on some UV-flouresent stuff on the
    result.   Et Voila free money!

  
    BTW:  Mines a Manhattan Ice Tea !

THis dovetails with what the service guy told me about using some sort of 
piece of plastic to make stuff copy...but that was when we were working 
with the color theory--he said he could interpose this piece of clear 
material to make stuff that was the 'wrong color' copy. HE didn't say 
what it was.

Jay