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Duplex printing is a feature of some computer printers and multi-function printers (MFPs) that allows the printing of a sheet of paper on both sides automatically. Print devices without this capability can only print on a single side of paper, sometimes called single-sided printing or simplex printing .
This is how the printer's key may appear in the first print run of a book. In this common example numbers are removed with subsequent printings, so if "1" is seen then the book is the first printing of that edition. If it is the second printing then the "1" is removed, meaning that the lowest number seen will be "2". [3]
The reading order of each folio remains first verso, then recto, regardless of writing direction. The terms are carried over into printing ; recto-verso [ 4 ] is the norm for printed books but was an important advantage of the printing press over the much older Asian woodblock printing method, which printed by rubbing from behind the page being ...
In printing, 2-up, 3-up, or more generally N-up, is a page layout strategy in which multiple pre-rendered pages are composited onto a single page; achieved by reduction in size, possible rotations, and subsequent arrangement in a grid pattern. The primary purpose of N-up printing is to reduce the number of pages that a printed work would ...
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.
Lock-up is the final step before printing. The printer removes the cords that hold the type together, and expands the quoins with a key or lever to lock the entire complex of type, blocks, furniture, and chase (frame) into place. This creates the final forme, which the printer takes to the printing press.
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The moving portion of the printer is called the print head, and when running the printer as a generic text device generally prints one line of text at a time. Most dot matrix printers have a single vertical line of dot-making equipment on their print heads; others have a few interleaved rows in order to improve dot density.