Editing Printer (computing) (section)

=== Printer steganography ===
[[File:Printer Steganography Illustration.png|thumb|An illustration showing small yellow tracking dots on white paper, generated by a color laser printer]]
{{Main|Printer steganography}}

Printer steganography is a type of [[steganography]] – "hiding data within data"<ref>{{Cite journal |doi = 10.1109/4236.935180|title = Digital steganography: Hiding data within data|journal = IEEE Internet Computing|volume = 5|issue = 3|pages = 75–80|year = 2001|last1 = Artz|first1 = D.}}</ref> – produced by color printers, including [[Brother Industries|Brother]], [[Canon (company)|Canon]], Dell, [[Seiko Epson|Epson]], [[Hewlett-Packard|HP]], IBM, [[Konica Minolta]], [[Kyocera]], Lanier, [[Lexmark]], [[Ricoh]], [[Toshiba]] and [[Xerox]]<ref>{{cite web|title=List of Printers Which Do or Do Not Display Tracking Dots|url=https://www.eff.org/pages/list-printers-which-do-or-do-not-display-tracking-dots|publisher=[[Electronic Frontier Foundation]]|date=2007-09-20|access-date=11 March 2011|archive-date=20 January 2017|archive-url=https://web.archive.org/web/20170120103601/https://www.eff.org/pages/list-printers-which-do-or-do-not-display-tracking-dots|url-status=live}} Retrieved 11 March 2011.</ref> brand color laser printers, where tiny yellow dots are added to each page. The dots are barely visible and contain encoded printer serial numbers, as well as date and time stamps.<ref>{{Cite web |date=2020-06-03 |title=Why printers add secret tracking dots |url=https://www.bbc.com/future/article/20170607-why-printers-add-secret-tracking-dots |access-date=2025-03-31 |website=www.bbc.com |language=en-GB | archive-url = https://archive.wikiwix.com/cache/index2.php?url=https://www.bbc.com/future/article/20170607-why-printers-add-secret-tracking-dots#federation=archive.wikiwix.com&tab=url | archive-date = 2025-03-31}}</ref>