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All modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps

 
Anonymous Coward
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12/05/2016 12:31 AM
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All modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps
[link to www.blacklistednews.com]

that people even take the time to think this shit up is disgusting.this is a new level of fuckery




Printer steganography is a type of steganography "hiding data within data"[1] where tiny yellow dots are added to each page. The dots are barely visible and contain encoded printer serial numbers and timestamps. Unlike many forms of steganography, the hidden information is not intended to be available from a computer file, but to allow serial number and time of printing to be determined by close examination of a printout.

The Electronic Frontier Foundation stated in 2015 that "the documents that we previously received through a (Freedom of Information Request)[2] suggested that all major manufacturers of color laser printers entered a secret agreement with governments to ensure that the output of those printers is forensically traceable....it is probably safest to assume that all modern color laser printers do include some form of tracking information that associates documents with the printer's serial number."[3]
History

During the 1990s Xerox and other companies sought to reassure governments that their printers would not be used for forgery. The identification is by means of a watermark, often using yellow-on-white, embedded in the printout of each page, and in conjunction with other information can be used to identify the printer which was used to print any document originally produced on a wide range of popular printers. It has been reported that monochrome printers and copiers from major manufacturers also include the markings. It may be actual text, or a repeated pattern of dots throughout the page, more easily visible under blue light or with a magnifying glass, and is intended to produce minimal visible change to the printout, ideally being imperceptible to the naked eye.

In 2005, the Electronic Frontier Foundation cracked the codes for Xerox DocuColor printers and published an online guide to their detection.[4] Most printers' codes have not been decoded, although the coding system framework and printer serial number encoding is the same on both DocuColor and the Epson Aculaser C1100/C1100N/A.
Anonymous Coward
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12/05/2016 12:32 AM
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Re: All modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps
Then only buy used ones.
NowIhavetothinkofanam​e

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12/05/2016 12:35 AM
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Re: All modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps
Awesome thread OP; 5 stars!
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Anonymous Coward
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12/05/2016 12:36 AM
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Re: All modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps
Old news

Same for scanners.

Professional devices are further modified to assure the limitation to scan and print money.
Anonymous Coward
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12/05/2016 12:36 AM
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Re: All modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps
True that, it's been the case for several years.
DuckNCover

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12/05/2016 12:38 AM

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Re: All modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps
What about color inkjet printers....
Anonymous Coward
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12/05/2016 12:41 AM
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Re: All modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps
Owned & worked for many print shops, advertising agencies, graphic designers, etc over the years. Said that just to make my next statement a little more credible. I'm CONSTANTLY using a (really cool) highly powerful magnifying ocular to scrutinize prints and I've used and been around just about every printer known to man and I have NEVER came across no crap like that. Occasionally there are defects, printing errors, ink splattering, misaligned printheads... a whole number of things but absolutely nothing that would indicate that these printers were printing some sort of secret message/I.D. Not saying it's completely out of the realm of possibility, just haven't came across it myself & I have butt-loads of experience.
Ex_HP
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12/05/2016 12:54 AM
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Re: All modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps
What about color inkjet printers....
 Quoting: DuckNCover


Worked for HP ink jet in the hay day. It was well known among internal employees that secret service met with top exec's regarding currency copying. HP came up with a way to identify when someone was trying to scan and print money. I would say this was sometime in the mid to late 90's. I wouldn't doubt for a sec that every page printed by ANY printer is encoded just like images are.
Anonymous Coward
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12/05/2016 01:16 AM
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Re: All modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps
The answer is




typewriters
Anonymous Coward
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12/05/2016 01:22 AM
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Re: All modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps
2005 thread:
Thread: Tracking codes in color laser printers cracked





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