Instructables
This proof of concept instructable will go over how to exploit a popular pay-per-copy type machine with a paperclip.
 
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Step 4: Verify

Now that your paperclip is securly in place shorting the red and black wires out of the coinbox, check the copy machine's screen. It should now have different paper sizes and let you change the # of copies you are allowed to make.
wouldnt suggest doing this unless you want to fry your machine... just tried it and the machine shut off and would not turn on again! CRAPPY LUCK FOR ME HUH!
Neodudeman7 years ago
lol... craft lvl 4