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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 ...
Continuous ink system in an HP Business Inkjet 1200n. The ink is transported from tanks through the black flexible band, which is vertically rigid so it does not fall into the path of the printhead and cause a jam. Close-up view of the above printer, showing the individual removable printheads and ink tanks for each color.
Two cartridges; one with black ink (a third-party HP 15 compatible cartridge), one with colored inks (an original type HP 17 tri-color cartridge) currently installed in an HP inkjet printer. An ink cartridge or inkjet cartridge is a component of an inkjet printer that contains ink to be deposited onto paper during printing . [ 1 ]
K – HP Officejet Pro Kxxx color printer; M – HP Mono LaserJet Mxxxx Multifunction printer; N – HP Scanjet Nxxxx document/professional image scanner; P – HP Mono LaserJet Pxxxx printer * Trailing alpha description codes: aio – All in One; d – Duplex; eMFP – Electronic Multi Function Printer; h – Hard disk; l – Light use
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.
[citation needed] Enterprise class SATA HDDs, such as the Western Digital Raptor and Seagate Barracuda NL will improve by nearly 100% with deep queues. [4] High-end SCSI drives more commonly found in servers, generally show much greater improvement, with the Seagate Savvio exceeding 400 IOPS—more than doubling its performance.
HP's stated that the firmware was intended to provide "the best consumer experience" and "protect" customers from "counterfeit and third-party ink cartridges that do not contain an original HP security chip and that infringe on our IP." [51] In 2023, PC World reported that HP printers still prevent users from using third-party ink. [52]
The IDE controller has registers that contain data that can be queried using ATA commands. The data returned gives information about the drive attached to the controller. There are three ATA commands involved in creating and using a host protected a