Photocopier - Wikipedia
网页A photocopier (also called copier or copy machine, and formerly Xerox machine, the generic trademark) is a machine that makes copies of documents and other visual images onto paper or plastic film quickly and cheaply.
How does a photocopier work? - Scientific American
网页2003年3月31日 · In a digital copier or printer, the image is exposed on the photoreceptor with a scanning modulated laser or a light-emitting-diode image bar.
How does a photocopier work - Explain that Stuff
网页2022年5月16日 · You can really think of a digital copier as a combined scanner and printer, coordinated by a built-in computer; and, indeed, the popular all-in-one print, scan, copy, and fax machines you can buy for home offices work just like this, with separate scanning, printing, and faxing "modules" hooked together.
How Photocopiers Work - HowStuffWorks
网页With a photocopier, however, you end up with a real image created from a pattern of positive charges left after exposure to light. And while you have to develop film using special chemical processes and print it on light-sensitive photographic paper, the photocopier produces a visible image with only dry ink, heat and regular paper.
HP Printers - Copying Documents or Photos | HP® Support
网页You can use your printer to produce copies of printed or mixed documents and photos. Step 1: Load the original document or photo. Load the original document in the Automatic Document Feeder (ADF) tray or on the scanner glass. Use the scanner glass to copy original photos or to produce a 2-sided copy. Turn on the printer, if it is not on already.
4 Ways to Make Great Photocopies - wikiHow
网页2024年2月2日 · Method 1. Preparing Originals. Download Article. 1. Choose an original. Make sure the original is in good condition. Crisp and clean originals will make the best copies. When possible print originals on heavy weight paper from an inkjet or laser printer so they are fresh and of a high, clear quality. Undo any folds or creases.
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History of the Office and Office Equipment: A Resource Guide
网页2024年7月3日 · Library of Congress Prints and Photographs Division. The history of the photocopier (also known as a copier or copy machine) is the history of making copies External -- and paperwork. Before modern advances, the desire for multiple copies of an item meant clerks duplicating things by hand.
Photocopying - Encyclopedia.com
网页2018年5月29日 · Photocopying is the process by which light is used to make copies of book pages and other paper documents. Bulgarian physicist Georgi Nadjakov (1896 – 1981) discovered that some dielectrics (materials that are unable to directly conduct electric current) became permanently polarized when placed into an electric field and exposed to …
Make copies with an HP printer | HP® Support - HP Customer …
网页To improve print speed or print quality, or change the size of your copies, scan the original, edit settings with HP scanning software, and then print multiple copies of the scanned document or photo.
In-Store Copy & Print Services: Print Copies | FedEx Office
网页Use our self-service copiers to copy or print single- and multipage documents quickly and efficiently. Available in letter (8.5" x 11"), legal size (8.5" x 14"), or anything up to tabloid (11" x 17") size. Prices vary by store. Contact your local store for details.
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