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It can be a flat metal (or earlier, wooden) plate pressed against a medium (such as paper) to cause an impression in letterpress printing. [1] Platen may also refer to a typewriter roller which friction-feeds paper into position below the typebars or print head. It can refer to the glass surface of a copier, and the rotating disk used to polish ...
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 ...
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.
[1] Machine components such as the print cylinder, doctor blade assembly, printing plates, stress/friction and more, affect the registration of the machine. [2] Inconsistencies among these components can cause the printing press to fall out of registration; that is when press operators will begin to see defects in their print.
HP Workstation zx2000 – Itanium 2 single-core processor with clock rates between 900 MHz and 1.5 GHz; HP Workstation zx6000 – up to two Itanium 2 single-core processors with clock rates between 900 MHz and 1.6 GHz
This print head has 24 solenoids at the top arranged radially inside a circular casing. Each solenoid is connected to a lever, which is connected to a long rod, which acts as a pin at the bottom of the print head. Dot matrix printing uses a print head that moves back-and-forth, or in an up-and-down motion, on the page and prints by impact ...
The components of a page printer are: A print engine, "the unit within a printer that does the actual printing." [1] For example, in a laser printer this would consist of the laser and drum and the mechanical paper feeds. Memory to process input and build up the image of a page. The printer may have its own memory or may use the host computer's ...
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