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Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was used to print the document.
CP – HP Color LaserJet CPxxxx printer; D – HP Deskjet Dxxxx printer; D – HP Photosmart Dxxxx Single Function photo printer; F – HP Deskjet Fxxx All-in-One printer; G – HP Scanjet Gxxxx photo/flatbed scanner; K – HP Officejet Pro Kxxx color printer; M – HP Mono LaserJet Mxxxx Multifunction printer; N – HP Scanjet Nxxxx document ...
Printer steganography is a type of steganography – "hiding data within data" [30] – produced by color printers, including Brother, Canon, Dell, Epson, HP, IBM, Konica Minolta, Kyocera, Lanier, Lexmark, Ricoh, Toshiba and Xerox [31] brand color laser printers, where tiny yellow dots are added to each page. The dots are barely visible and ...
Print emails, attachments, and websites. Save a hard copy of important emails, email attachments, and websites by printing them. When you print an email, only the text will show. Attachments, such as pictures or documents, need to be downloaded and printed separately. Print an email
Most professional LaserJet printers include a PCL menu where the number of copies, the font style, portrait or landscape printing, and the number of lines-per-page can be defined. These settings are ignored by graphical PCL/Postscript print drivers, and are only used for those rare situations where a LaserJet is used to emulate a lineprinter.
Inkjet printing is a type of computer printing that recreates a digital image by propelling droplets of ink onto paper and plastic substrates. [1] Inkjet printers were the most commonly used type of printer in 2008, [2] [needs update] and range from small inexpensive consumer models to expensive professional machines.
For example, a three-page work (starting on the left-hand sheet) followed immediately by a two-page work involves one page turn during each work. If a blank page immediately follows the three-page work (on the right-hand sheet), the two-page work will span the left and right pages, alleviating the need for a page turn during the second work.
⑈ (on-us: used to delimit a customer account number); ⑇ (amount: used to delimit a transaction amount); ⑉ (dash: used to delimit parts of numbers—e.g., routing numbers or account numbers). In the check printing and banking industries the E-13B MICR line is also commonly referred to as the TOAD line.