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

Step 1: Find the Copy Machine and a Paperclip

These machine's LCD will say "Set Key Counter"

I found this system in 2 seperate college campuses, and I usually keep a paperclip in my wallet, very usful little guys. Paperclips are so freaking useful, PROTIP: keep one with you.

Step 2: Locate the Cables for the Coinbox

Locate the cables leading from the coin box.
The 4 conductor cable (black, red, white, green) is what we are interested in, while the 2 conductor cable is connected to a wallwart supplying power to the coin collection box.

Step 3: TEH H4X!

Now take your paperclip out of your inventory, apply your shape/craft skill to create a narrow "U" shape.
Insert one prong into the connector conduit containing the black colored wire, and then the other end into the red.

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.

Step 5: Be Respectful

Now, this is a proof of concept. Use, dont abuse.

Make some crazy cool art out of xerox copies! (No, I dont have lepersy)
Nifty :)
most of the time the colors are not coded properly, there is 5V and ground to Enable the copier, BUT there is also 16 to 36 VOLTS for the pulse signal. If you connect the wrong wire you will FRY the machine's main board. I know because I work on these. You are a smart Thief, nevertheless, a thief you are. Perhaps you should get a job to afford the 10 cents and find out how the real world works.
Orrr, this could be partial proof that a redesign is needed... <br>/:)
Silly parents always blaming videogames.
Yeah, I can imagine it now: getting into a lot of trouble to save 10 cents. Sounds worth it, doesn't it?
Now,If you Need a hundred copies,its 1 dollar,Way worth it ;P
100 copies is 10 dollars in my math class !
lol ur tarded. 10cX100copies is $1.00? more like $10.00
me tarded?
Why bother with the paper clip ??? if you got a xerox machine I will can tell you how to switch off the coin/swipe machine :) have fun guys
and can you just tell how...
yeah, but then you'd have to use a xerox... *shudder*<br><br>seriously though be careful, can hurt yourself and the boards in those old machines aren't easy to source anymore! not in AUS anyway
i was wondering does it revert back to the normal thing after you take the paperclip away? really cool, ill use it if i dont see a camera watching me o_O
How'd you figure this out? Brett
With SCIENCE!! Actually, it was with science, first I tried white green, didnt do anything... so I tried red black, a great sucess!
how is that science? Just asking
Caveman science!!<br /> Wait till he plays withh 220V. He will invent fire.<br /> Let's hope this kid has no interest in surgery...<br />
I need to do this soon, awesome instructable.
lolz,that connector looks like molex and the wire colors look like usb interface
Darn. My school uses student cards, there's a camera, that area's almost always crowded and there are no exposed connections.
What if I only have coins and no paperclip's?
Swallow the coins. Run around screaming about how your baby was consumed by a dingo! ???? Profit
Buy paperclips
find a paperclip, these are either at school or in public biblos, their bound to have a paperclip either on a desk or just lying around
so does this actually break the machine
I instantly see a problem at my local library the photo copy room is under 24 hr video Survalane each copier has 2 cameras focused on it and the cable are in the wall!!!
this wont work with modern copy machine systems because the coin slot cable is like reinforced kevalr crap. apparantly librarians like their dime a copy.
i agree w/ amadoraa how r u supposed to do this in a library
have some courage(stupidity) maybe?
how are you going to do this in a library when people are watching?
I tried this, and when you return the coin it stops copying and sends out a piece of plain white paper. I guess you can get free paper? The machine I used was newer though.
Awesome! Awesome!! Awesome!!! You're my new hero nak. So I was trying this out on the copier in my college library, and the librarian comes around, sees me fiddling with the wires, and is like, 'you need help there?' So I told her I was from the office of info tech and was fixing the machine. Well, IT WORKS!!!
Nice social engineering story :)
So I did this... about a week or two ago. Now the copy machine gives inf copies... even without the paperclip. I can't shut off the hack, and I'm gettin kinda freaked. I did exactly as the hack said, but thought it didn't work.. So I took out the clip, and re-inserted it a few times, and then it worked. But now the machine seems to be reset. The coin box stil works. By adding 10c, thelight bulb lights, and by pressing the button, the coin light goes off. But it still copies even if the bulb is off.. Any suggestions?
Make lots of copies?
Is it possible to get electricuted by doing this?
There should be no voltage in the connector we are playing with.
There must be some voltage, otherwise nothing at all would happen. However, most signal voltages are low enough that you aren't going to get a shock.
The only voltages in most copiers are the 5 volts that energize the drive motors, or the 24 volts AC sent to the corona (the wire that flashes 10,000 volts, changing the PC drum's polarity). At least, this is the case with all Konica/Minolta copiers . . .
my bad i screwed up i ment taking advantage of technology
not really stealing just "talkin advantage of technology"
the way it works is the copier looks for any other check points before it does the printing when it realizes there are no other check points or safe guard it prints. it doe not realize this because the coin machine needs power before it can send a signal and the paperclip shorts that connection.
hey can u make an instructable on how to do this on other things.....is it possible to get free pop from a pop machine? just wondering
Yeah! <a rel="nofollow" href="http://www.i-hacked.com/content/view/159/48/">Here!</a><br/>
Yeah you stick your arm up the...wait, doesn't your arm get stuck everytime you do that? And i don't see any electric crap. Good ol wad of tin foil should do it i think.
also - keep in mind they can make copies of everything xeroxed so if you're gonna cheat the piper, make sure it's not something with your name & address in bold type ... or like your hand and finerprints :-)
jblekin said: "also - keep in mind they can make copies of everything xeroxed" err, no they can't, because that would be a breach of copyright. Use of their machine to copy your stuff gives them no right to keep a copy of your stuff.

About This Instructable




Bio: Twitter: @uberscientist
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