@fryrsquared: A double-sided double agent... Printer Steganography, Reverse Engineering the Machine Identification Code by Peter Buck (2018)

Hannah Fry
Hannah Fry
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Region: GB
Monday 13 January 2025 15:09:44 GMT
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saralmichener
Sara Lynn Michener :
Thankfully my printer has refused to print anything since it came out of the box.
2025-01-13 16:19:29
2350
deebeedoop
deebeedoop :
So my printer is clever enough to snitch on me but not clever enough to remember its own IP address.
2025-01-13 17:28:56
1380
yourdadsellsavonm8
YourDadSellsAvon :
So what you're saying, Dr Fry, is that I should print all my dodgy stuff in a corner shop far away from my house 😂
2025-01-14 13:11:20
22
jf2281
JF :
Seems a bit far fetched to me
2025-01-19 00:38:33
1
olafurw
Ólafur Waage :
So this is why printers need color inks not to be empty to print only black text?
2025-01-13 15:40:22
206
nachliel
נחליאל :
or use a typewriter.
2025-03-15 15:37:49
0
nomnom0590
nom :
you'd think after printing for hundreds of years, we would have a printer that consistently works? we have two, neither work!
2025-03-31 18:17:44
0
doeman365
Doeman365 :
As always, you are a mind of information!
2025-01-13 16:04:29
1
jerkyflexoff
Lord Jerkyflexoff :
what if it's a black and white printer ?
2025-01-13 16:51:52
5
teutonicvision
teutonicvision :
I pulled out my uv light and looked at a b/w print. I don’t see them 😳
2025-03-21 02:47:14
0
harveylane7088
Harvey Lane7088 :
Glad the comments are unanimously slamming printers as the most frustrating piece of tech going
2025-01-14 09:11:50
20
jimiusuk
Jimius :
Would there be a way to ‘frame’ another printer? By somehow printing the yellow encoding for another printer. Or convincing your own printer it had a different serial number?
2025-01-13 21:07:38
20
ferrerorachael
Rachael✨ :
bold of you to assume my printer works 😒
2025-01-13 19:55:59
68
chee_meme
chee_meme :
Just don’t refill the yellow ink
2025-04-23 04:35:12
0
scruntle
scruntle :
Most printers today font let you print in B&W without color ink, bc they still print the tiny yellow markers even on black and white.
2025-01-27 20:05:14
6
xergal
xergal :
I have such a crush on Hannah. Stunning and incredibly intelligent. 🥰
2025-01-21 00:01:26
1
simonneilscott
Simon Neil Scott :
Except that nearly every printer in existence refuses to print in B&W unless they have colour ink available 🤣 💪
2025-01-13 20:44:56
8
wil22221
Will :
I suspect that counterfeiting was just the excuse to make pages traceable and time stamped.
2025-01-13 20:31:19
25
jackdonaghy30rock
Jack Donaghy :
what if you put loads of yellow dots on your document?
2025-01-13 18:55:23
22
buggleskelly
Tom Marshall :
As a child around 1998 got our first scanner and colour printer. First thing Dad scanned was a £20 note, printed out with a black background and used up all the ink.
2025-01-28 08:49:39
2
diodes220
diodes22 :
Put the letter through a copier, the copier won't be able to pickup such a small dot😏
2025-01-14 16:00:53
4
dragondruzzy
Dragon Druzy :
Too bad mine says there's a paper jam. There's no paper jam
2025-01-13 21:02:58
92
markbennett344
Mark Bennett :
and this is why it will only print black and white pages with colour ink
2025-01-16 13:37:28
1
redmuse5
Melora :
I had no idea. That’s wild!
2025-01-17 04:16:57
0
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