The HP Officejet Pro X Series can deliver high-quality professional documents at up to 70 pages per minute (ppm), making it the fastest desktop printer according to Guinness World Records, powered by HP PageWide Technology, the company's next generation inkjet platform.
Red, magenta and yellow inks are used to make them, as magenta absorbs green light and yellow absorbs blue light, which reflects only red light back to our eyes. You will probably understand the basic mechanism of color printing if you've ever used different colors of paint on a palette.
Lithography was primarily a graphic art form throughout the nineteenth century and, as such, still holds a high artistic reputation. Lithographs are artists' original artworks and are typically signed, while there is no signature for offset lithographic printing and reproductions.
A signature is usually simply the name of somebody written in a stylized fashion. That is not really necessary, however. It is considered a valid signature as long as it adequately records the intent of the parties involved in a contractual agreement. Usually, but not necessarily, a pen makes this mark.
The technique used distinguishes the different types of intaglio prints: etching, aquatint, and photogravure are made using acid to corrode the metal plate, while engraving, drypoint, and mezzotint are made using a sharp tool to incision or scratch the plate 's surface.
Typically, color printing uses four-color inks: cyan , magenta , yellow, and black. The resulting "primary" mixtures are red, green , and blue when the CMY "secondary" is combined at full strength.
Today, average inkjet printers generally have a 1200 x 1440 dpi resolution. If you're not going to print photos larger than 5 x 7 inches, this is a good enough resolution.
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