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Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) 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 ...
Canon printers are supplied with Canon Advanced Printing Technology (CAPT), a printer driver software stack developed by Canon. The company claims that its use of data compression reduces their printer's memory requirement, good quality compared to conventional laser printers, and also claim that it increases the data transfer rate when ...
Quote "the yield experienced by a given user may vary significantly from the yield measured by this test method". The temperature of the testing environment should rest at an average of 23 Degrees Celsius. Paper used in the testing procedure must approximate the medium weight paper and conform to the printers approved specifications.
A printing protocol is a protocol for communication between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers).It allows clients to submit one or more print jobs to the printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs.
Input data can come from device sources like digital cameras, image scanners, or any other measuring devices.Those inputs can be either monochrome (in which case only the response curve needs to be calibrated, though in a few select cases, one must also specify the color or spectral power distribution that that single channel corresponds to) or specified in multidimensional color, most ...
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 ...
A computer printer is a computer peripheral device that produces a hard copy (permanent human-readable text and/or graphics usually on paper) from data stored in a computer connected to it. A virtual printer is a piece of computer software whose user interface and API resemble that of a printer driver, but which is not connected with a physical ...
Not only could a 24-pin printer lay down a denser dot-pattern in a single pass, it could simultaneously cover a larger area and print more quickly. Although the text quality of a 24-pin was still visibly inferior to a true letter-quality printer such as a daisy wheel or laser printer, print quality was greatly superior to a 9-pin printer. As ...